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-rw-r--r--diff.c2104
1 files changed, 1505 insertions, 599 deletions
diff --git a/diff.c b/diff.c
index 8c78fce49d..21c3838b25 100644
--- a/diff.c
+++ b/diff.c
@@ -2,6 +2,7 @@
* Copyright (C) 2005 Junio C Hamano
*/
#include "cache.h"
+#include "config.h"
#include "tempfile.h"
#include "quote.h"
#include "diff.h"
@@ -15,9 +16,12 @@
#include "userdiff.h"
#include "submodule-config.h"
#include "submodule.h"
+#include "hashmap.h"
#include "ll-merge.h"
#include "string-list.h"
#include "argv-array.h"
+#include "graph.h"
+#include "packfile.h"
#ifdef NO_FAST_WORKING_DIRECTORY
#define FAST_WORKING_DIRECTORY 0
@@ -26,11 +30,13 @@
#endif
static int diff_detect_rename_default;
-static int diff_compaction_heuristic; /* experimental */
+static int diff_indent_heuristic = 1;
static int diff_rename_limit_default = 400;
static int diff_suppress_blank_empty;
static int diff_use_color_default = -1;
+static int diff_color_moved_default;
static int diff_context_default = 3;
+static int diff_interhunk_context_default;
static const char *diff_word_regex_cfg;
static const char *external_diff_cmd_cfg;
static const char *diff_order_file_cfg;
@@ -41,6 +47,7 @@ static int diff_stat_graph_width;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;
static long diff_algorithm;
+static unsigned ws_error_highlight_default = WSEH_NEW;
static char diff_colors[][COLOR_MAXLEN] = {
GIT_COLOR_RESET,
@@ -52,8 +59,21 @@ static char diff_colors[][COLOR_MAXLEN] = {
GIT_COLOR_YELLOW, /* COMMIT */
GIT_COLOR_BG_RED, /* WHITESPACE */
GIT_COLOR_NORMAL, /* FUNCINFO */
+ GIT_COLOR_BOLD_MAGENTA, /* OLD_MOVED */
+ GIT_COLOR_BOLD_BLUE, /* OLD_MOVED ALTERNATIVE */
+ GIT_COLOR_FAINT, /* OLD_MOVED_DIM */
+ GIT_COLOR_FAINT_ITALIC, /* OLD_MOVED_ALTERNATIVE_DIM */
+ GIT_COLOR_BOLD_CYAN, /* NEW_MOVED */
+ GIT_COLOR_BOLD_YELLOW, /* NEW_MOVED ALTERNATIVE */
+ GIT_COLOR_FAINT, /* NEW_MOVED_DIM */
+ GIT_COLOR_FAINT_ITALIC, /* NEW_MOVED_ALTERNATIVE_DIM */
};
+static NORETURN void die_want_option(const char *option_name)
+{
+ die(_("option '%s' requires a value"), option_name);
+}
+
static int parse_diff_color_slot(const char *var)
{
if (!strcasecmp(var, "context") || !strcasecmp(var, "plain"))
@@ -72,6 +92,22 @@ static int parse_diff_color_slot(const char *var)
return DIFF_WHITESPACE;
if (!strcasecmp(var, "func"))
return DIFF_FUNCINFO;
+ if (!strcasecmp(var, "oldmoved"))
+ return DIFF_FILE_OLD_MOVED;
+ if (!strcasecmp(var, "oldmovedalternative"))
+ return DIFF_FILE_OLD_MOVED_ALT;
+ if (!strcasecmp(var, "oldmoveddimmed"))
+ return DIFF_FILE_OLD_MOVED_DIM;
+ if (!strcasecmp(var, "oldmovedalternativedimmed"))
+ return DIFF_FILE_OLD_MOVED_ALT_DIM;
+ if (!strcasecmp(var, "newmoved"))
+ return DIFF_FILE_NEW_MOVED;
+ if (!strcasecmp(var, "newmovedalternative"))
+ return DIFF_FILE_NEW_MOVED_ALT;
+ if (!strcasecmp(var, "newmoveddimmed"))
+ return DIFF_FILE_NEW_MOVED_DIM;
+ if (!strcasecmp(var, "newmovedalternativedimmed"))
+ return DIFF_FILE_NEW_MOVED_ALT_DIM;
return -1;
}
@@ -88,18 +124,18 @@ static int parse_dirstat_params(struct diff_options *options, const char *params
for (i = 0; i < params.nr; i++) {
const char *p = params.items[i].string;
if (!strcmp(p, "changes")) {
- DIFF_OPT_CLR(options, DIRSTAT_BY_LINE);
- DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
+ options->flags.dirstat_by_line = 0;
+ options->flags.dirstat_by_file = 0;
} else if (!strcmp(p, "lines")) {
- DIFF_OPT_SET(options, DIRSTAT_BY_LINE);
- DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
+ options->flags.dirstat_by_line = 1;
+ options->flags.dirstat_by_file = 0;
} else if (!strcmp(p, "files")) {
- DIFF_OPT_CLR(options, DIRSTAT_BY_LINE);
- DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
+ options->flags.dirstat_by_line = 0;
+ options->flags.dirstat_by_file = 1;
} else if (!strcmp(p, "noncumulative")) {
- DIFF_OPT_CLR(options, DIRSTAT_CUMULATIVE);
+ options->flags.dirstat_cumulative = 0;
} else if (!strcmp(p, "cumulative")) {
- DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
+ options->flags.dirstat_cumulative = 1;
} else if (isdigit(*p)) {
char *end;
int permille = strtoul(p, &end, 10) * 10;
@@ -131,9 +167,11 @@ static int parse_dirstat_params(struct diff_options *options, const char *params
static int parse_submodule_params(struct diff_options *options, const char *value)
{
if (!strcmp(value, "log"))
- DIFF_OPT_SET(options, SUBMODULE_LOG);
+ options->submodule_format = DIFF_SUBMODULE_LOG;
else if (!strcmp(value, "short"))
- DIFF_OPT_CLR(options, SUBMODULE_LOG);
+ options->submodule_format = DIFF_SUBMODULE_SHORT;
+ else if (!strcmp(value, "diff"))
+ options->submodule_format = DIFF_SUBMODULE_INLINE_DIFF;
else
return -1;
return 0;
@@ -163,6 +201,43 @@ long parse_algorithm_value(const char *value)
return -1;
}
+static int parse_one_token(const char **arg, const char *token)
+{
+ const char *rest;
+ if (skip_prefix(*arg, token, &rest) && (!*rest || *rest == ',')) {
+ *arg = rest;
+ return 1;
+ }
+ return 0;
+}
+
+static int parse_ws_error_highlight(const char *arg)
+{
+ const char *orig_arg = arg;
+ unsigned val = 0;
+
+ while (*arg) {
+ if (parse_one_token(&arg, "none"))
+ val = 0;
+ else if (parse_one_token(&arg, "default"))
+ val = WSEH_NEW;
+ else if (parse_one_token(&arg, "all"))
+ val = WSEH_NEW | WSEH_OLD | WSEH_CONTEXT;
+ else if (parse_one_token(&arg, "new"))
+ val |= WSEH_NEW;
+ else if (parse_one_token(&arg, "old"))
+ val |= WSEH_OLD;
+ else if (parse_one_token(&arg, "context"))
+ val |= WSEH_CONTEXT;
+ else {
+ return -1 - (int)(arg - orig_arg);
+ }
+ if (*arg)
+ arg++;
+ }
+ return val;
+}
+
/*
* These are to give UI layer defaults.
* The core-level commands such as git-diff-files should
@@ -171,7 +246,39 @@ long parse_algorithm_value(const char *value)
*/
void init_diff_ui_defaults(void)
{
- diff_detect_rename_default = 1;
+ diff_detect_rename_default = DIFF_DETECT_RENAME;
+}
+
+int git_diff_heuristic_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "diff.indentheuristic"))
+ diff_indent_heuristic = git_config_bool(var, value);
+ return 0;
+}
+
+static int parse_color_moved(const char *arg)
+{
+ switch (git_parse_maybe_bool(arg)) {
+ case 0:
+ return COLOR_MOVED_NO;
+ case 1:
+ return COLOR_MOVED_DEFAULT;
+ default:
+ break;
+ }
+
+ if (!strcmp(arg, "no"))
+ return COLOR_MOVED_NO;
+ else if (!strcmp(arg, "plain"))
+ return COLOR_MOVED_PLAIN;
+ else if (!strcmp(arg, "zebra"))
+ return COLOR_MOVED_ZEBRA;
+ else if (!strcmp(arg, "default"))
+ return COLOR_MOVED_DEFAULT;
+ else if (!strcmp(arg, "dimmed_zebra"))
+ return COLOR_MOVED_ZEBRA_DIM;
+ else
+ return error(_("color moved setting must be one of 'no', 'default', 'zebra', 'dimmed_zebra', 'plain'"));
}
int git_diff_ui_config(const char *var, const char *value, void *cb)
@@ -180,18 +287,27 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
diff_use_color_default = git_config_colorbool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.colormoved")) {
+ int cm = parse_color_moved(value);
+ if (cm < 0)
+ return -1;
+ diff_color_moved_default = cm;
+ return 0;
+ }
if (!strcmp(var, "diff.context")) {
diff_context_default = git_config_int(var, value);
if (diff_context_default < 0)
return -1;
return 0;
}
- if (!strcmp(var, "diff.renames")) {
- diff_detect_rename_default = git_config_rename(var, value);
+ if (!strcmp(var, "diff.interhunkcontext")) {
+ diff_interhunk_context_default = git_config_int(var, value);
+ if (diff_interhunk_context_default < 0)
+ return -1;
return 0;
}
- if (!strcmp(var, "diff.compactionheuristic")) {
- diff_compaction_heuristic = git_config_bool(var, value);
+ if (!strcmp(var, "diff.renames")) {
+ diff_detect_rename_default = git_config_rename(var, value);
return 0;
}
if (!strcmp(var, "diff.autorefreshindex")) {
@@ -234,6 +350,14 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (!strcmp(var, "diff.wserrorhighlight")) {
+ int val = parse_ws_error_highlight(value);
+ if (val < 0)
+ return -1;
+ ws_error_highlight_default = val;
+ return 0;
+ }
+
if (git_color_config(var, value, cb) < 0)
return -1;
@@ -281,8 +405,8 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
return 0;
}
- if (starts_with(var, "submodule."))
- return parse_submodule_config_option(var, value);
+ if (git_diff_heuristic_config(var, value, cb) < 0)
+ return -1;
return git_default_config(var, value, cb);
}
@@ -331,18 +455,16 @@ static struct diff_tempfile {
*/
const char *name;
- char hex[GIT_SHA1_HEXSZ + 1];
+ char hex[GIT_MAX_HEXSZ + 1];
char mode[10];
/*
* If this diff_tempfile instance refers to a temporary file,
* this tempfile object is used to manage its lifetime.
*/
- struct tempfile tempfile;
+ struct tempfile *tempfile;
} diff_temp[2];
-typedef unsigned long (*sane_truncate_fn)(char *line, unsigned long len);
-
struct emit_callback {
int color_diff;
unsigned ws_rule;
@@ -350,7 +472,6 @@ struct emit_callback {
int blank_at_eof_in_postimage;
int lno_in_preimage;
int lno_in_postimage;
- sane_truncate_fn truncate;
const char **label_path;
struct diff_words_data *diff_words;
struct diff_options *opt;
@@ -492,68 +613,668 @@ static void emit_line(struct diff_options *o, const char *set, const char *reset
emit_line_0(o, set, reset, line[0], line+1, len-1);
}
-static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line, int len)
+enum diff_symbol {
+ DIFF_SYMBOL_BINARY_DIFF_HEADER,
+ DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA,
+ DIFF_SYMBOL_BINARY_DIFF_HEADER_LITERAL,
+ DIFF_SYMBOL_BINARY_DIFF_BODY,
+ DIFF_SYMBOL_BINARY_DIFF_FOOTER,
+ DIFF_SYMBOL_STATS_SUMMARY_NO_FILES,
+ DIFF_SYMBOL_STATS_SUMMARY_ABBREV,
+ DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES,
+ DIFF_SYMBOL_STATS_LINE,
+ DIFF_SYMBOL_WORD_DIFF,
+ DIFF_SYMBOL_STAT_SEP,
+ DIFF_SYMBOL_SUMMARY,
+ DIFF_SYMBOL_SUBMODULE_ADD,
+ DIFF_SYMBOL_SUBMODULE_DEL,
+ DIFF_SYMBOL_SUBMODULE_UNTRACKED,
+ DIFF_SYMBOL_SUBMODULE_MODIFIED,
+ DIFF_SYMBOL_SUBMODULE_HEADER,
+ DIFF_SYMBOL_SUBMODULE_ERROR,
+ DIFF_SYMBOL_SUBMODULE_PIPETHROUGH,
+ DIFF_SYMBOL_REWRITE_DIFF,
+ DIFF_SYMBOL_BINARY_FILES,
+ DIFF_SYMBOL_HEADER,
+ DIFF_SYMBOL_FILEPAIR_PLUS,
+ DIFF_SYMBOL_FILEPAIR_MINUS,
+ DIFF_SYMBOL_WORDS_PORCELAIN,
+ DIFF_SYMBOL_WORDS,
+ DIFF_SYMBOL_CONTEXT,
+ DIFF_SYMBOL_CONTEXT_INCOMPLETE,
+ DIFF_SYMBOL_PLUS,
+ DIFF_SYMBOL_MINUS,
+ DIFF_SYMBOL_NO_LF_EOF,
+ DIFF_SYMBOL_CONTEXT_FRAGINFO,
+ DIFF_SYMBOL_CONTEXT_MARKER,
+ DIFF_SYMBOL_SEPARATOR
+};
+/*
+ * Flags for content lines:
+ * 0..12 are whitespace rules
+ * 13-15 are WSEH_NEW | WSEH_OLD | WSEH_CONTEXT
+ * 16 is marking if the line is blank at EOF
+ */
+#define DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF (1<<16)
+#define DIFF_SYMBOL_MOVED_LINE (1<<17)
+#define DIFF_SYMBOL_MOVED_LINE_ALT (1<<18)
+#define DIFF_SYMBOL_MOVED_LINE_UNINTERESTING (1<<19)
+#define DIFF_SYMBOL_CONTENT_WS_MASK (WSEH_NEW | WSEH_OLD | WSEH_CONTEXT | WS_RULE_MASK)
+
+/*
+ * This struct is used when we need to buffer the output of the diff output.
+ *
+ * NEEDSWORK: Instead of storing a copy of the line, add an offset pointer
+ * into the pre/post image file. This pointer could be a union with the
+ * line pointer. By storing an offset into the file instead of the literal line,
+ * we can decrease the memory footprint for the buffered output. At first we
+ * may want to only have indirection for the content lines, but we could also
+ * enhance the state for emitting prefabricated lines, e.g. the similarity
+ * score line or hunk/file headers would only need to store a number or path
+ * and then the output can be constructed later on depending on state.
+ */
+struct emitted_diff_symbol {
+ const char *line;
+ int len;
+ int flags;
+ enum diff_symbol s;
+};
+#define EMITTED_DIFF_SYMBOL_INIT {NULL}
+
+struct emitted_diff_symbols {
+ struct emitted_diff_symbol *buf;
+ int nr, alloc;
+};
+#define EMITTED_DIFF_SYMBOLS_INIT {NULL, 0, 0}
+
+static void append_emitted_diff_symbol(struct diff_options *o,
+ struct emitted_diff_symbol *e)
{
- if (!((ecbdata->ws_rule & WS_BLANK_AT_EOF) &&
- ecbdata->blank_at_eof_in_preimage &&
- ecbdata->blank_at_eof_in_postimage &&
- ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
- ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
- return 0;
- return ws_blank_line(line, len, ecbdata->ws_rule);
+ struct emitted_diff_symbol *f;
+
+ ALLOC_GROW(o->emitted_symbols->buf,
+ o->emitted_symbols->nr + 1,
+ o->emitted_symbols->alloc);
+ f = &o->emitted_symbols->buf[o->emitted_symbols->nr++];
+
+ memcpy(f, e, sizeof(struct emitted_diff_symbol));
+ f->line = e->line ? xmemdupz(e->line, e->len) : NULL;
}
-static void emit_line_checked(const char *reset,
- struct emit_callback *ecbdata,
- const char *line, int len,
- enum color_diff color,
- unsigned ws_error_highlight,
- char sign)
+struct moved_entry {
+ struct hashmap_entry ent;
+ const struct emitted_diff_symbol *es;
+ struct moved_entry *next_line;
+};
+
+static int moved_entry_cmp(const struct diff_options *diffopt,
+ const struct moved_entry *a,
+ const struct moved_entry *b,
+ const void *keydata)
+{
+ return !xdiff_compare_lines(a->es->line, a->es->len,
+ b->es->line, b->es->len,
+ diffopt->xdl_opts);
+}
+
+static struct moved_entry *prepare_entry(struct diff_options *o,
+ int line_no)
+{
+ struct moved_entry *ret = xmalloc(sizeof(*ret));
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[line_no];
+
+ ret->ent.hash = xdiff_hash_string(l->line, l->len, o->xdl_opts);
+ ret->es = l;
+ ret->next_line = NULL;
+
+ return ret;
+}
+
+static void add_lines_to_move_detection(struct diff_options *o,
+ struct hashmap *add_lines,
+ struct hashmap *del_lines)
+{
+ struct moved_entry *prev_line = NULL;
+
+ int n;
+ for (n = 0; n < o->emitted_symbols->nr; n++) {
+ struct hashmap *hm;
+ struct moved_entry *key;
+
+ switch (o->emitted_symbols->buf[n].s) {
+ case DIFF_SYMBOL_PLUS:
+ hm = add_lines;
+ break;
+ case DIFF_SYMBOL_MINUS:
+ hm = del_lines;
+ break;
+ default:
+ prev_line = NULL;
+ continue;
+ }
+
+ key = prepare_entry(o, n);
+ if (prev_line && prev_line->es->s == o->emitted_symbols->buf[n].s)
+ prev_line->next_line = key;
+
+ hashmap_add(hm, key);
+ prev_line = key;
+ }
+}
+
+static int shrink_potential_moved_blocks(struct moved_entry **pmb,
+ int pmb_nr)
+{
+ int lp, rp;
+
+ /* Shrink the set of potential block to the remaining running */
+ for (lp = 0, rp = pmb_nr - 1; lp <= rp;) {
+ while (lp < pmb_nr && pmb[lp])
+ lp++;
+ /* lp points at the first NULL now */
+
+ while (rp > -1 && !pmb[rp])
+ rp--;
+ /* rp points at the last non-NULL */
+
+ if (lp < pmb_nr && rp > -1 && lp < rp) {
+ pmb[lp] = pmb[rp];
+ pmb[rp] = NULL;
+ rp--;
+ lp++;
+ }
+ }
+
+ /* Remember the number of running sets */
+ return rp + 1;
+}
+
+/*
+ * If o->color_moved is COLOR_MOVED_PLAIN, this function does nothing.
+ *
+ * Otherwise, if the last block has fewer alphanumeric characters than
+ * COLOR_MOVED_MIN_ALNUM_COUNT, unset DIFF_SYMBOL_MOVED_LINE on all lines in
+ * that block.
+ *
+ * The last block consists of the (n - block_length)'th line up to but not
+ * including the nth line.
+ *
+ * NEEDSWORK: This uses the same heuristic as blame_entry_score() in blame.c.
+ * Think of a way to unify them.
+ */
+static void adjust_last_block(struct diff_options *o, int n, int block_length)
+{
+ int i, alnum_count = 0;
+ if (o->color_moved == COLOR_MOVED_PLAIN)
+ return;
+ for (i = 1; i < block_length + 1; i++) {
+ const char *c = o->emitted_symbols->buf[n - i].line;
+ for (; *c; c++) {
+ if (!isalnum(*c))
+ continue;
+ alnum_count++;
+ if (alnum_count >= COLOR_MOVED_MIN_ALNUM_COUNT)
+ return;
+ }
+ }
+ for (i = 1; i < block_length + 1; i++)
+ o->emitted_symbols->buf[n - i].flags &= ~DIFF_SYMBOL_MOVED_LINE;
+}
+
+/* Find blocks of moved code, delegate actual coloring decision to helper */
+static void mark_color_as_moved(struct diff_options *o,
+ struct hashmap *add_lines,
+ struct hashmap *del_lines)
+{
+ struct moved_entry **pmb = NULL; /* potentially moved blocks */
+ int pmb_nr = 0, pmb_alloc = 0;
+ int n, flipped_block = 1, block_length = 0;
+
+
+ for (n = 0; n < o->emitted_symbols->nr; n++) {
+ struct hashmap *hm = NULL;
+ struct moved_entry *key;
+ struct moved_entry *match = NULL;
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ int i;
+
+ switch (l->s) {
+ case DIFF_SYMBOL_PLUS:
+ hm = del_lines;
+ key = prepare_entry(o, n);
+ match = hashmap_get(hm, key, o);
+ free(key);
+ break;
+ case DIFF_SYMBOL_MINUS:
+ hm = add_lines;
+ key = prepare_entry(o, n);
+ match = hashmap_get(hm, key, o);
+ free(key);
+ break;
+ default:
+ flipped_block = 1;
+ }
+
+ if (!match) {
+ adjust_last_block(o, n, block_length);
+ pmb_nr = 0;
+ block_length = 0;
+ continue;
+ }
+
+ l->flags |= DIFF_SYMBOL_MOVED_LINE;
+
+ if (o->color_moved == COLOR_MOVED_PLAIN)
+ continue;
+
+ /* Check any potential block runs, advance each or nullify */
+ for (i = 0; i < pmb_nr; i++) {
+ struct moved_entry *p = pmb[i];
+ struct moved_entry *pnext = (p && p->next_line) ?
+ p->next_line : NULL;
+ if (pnext && !hm->cmpfn(o, pnext, match, NULL)) {
+ pmb[i] = p->next_line;
+ } else {
+ pmb[i] = NULL;
+ }
+ }
+
+ pmb_nr = shrink_potential_moved_blocks(pmb, pmb_nr);
+
+ if (pmb_nr == 0) {
+ /*
+ * The current line is the start of a new block.
+ * Setup the set of potential blocks.
+ */
+ for (; match; match = hashmap_get_next(hm, match)) {
+ ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
+ pmb[pmb_nr++] = match;
+ }
+
+ flipped_block = (flipped_block + 1) % 2;
+
+ adjust_last_block(o, n, block_length);
+ block_length = 0;
+ }
+
+ block_length++;
+
+ if (flipped_block)
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT;
+ }
+ adjust_last_block(o, n, block_length);
+
+ free(pmb);
+}
+
+#define DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK \
+ (DIFF_SYMBOL_MOVED_LINE | DIFF_SYMBOL_MOVED_LINE_ALT)
+static void dim_moved_lines(struct diff_options *o)
+{
+ int n;
+ for (n = 0; n < o->emitted_symbols->nr; n++) {
+ struct emitted_diff_symbol *prev = (n != 0) ?
+ &o->emitted_symbols->buf[n - 1] : NULL;
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ struct emitted_diff_symbol *next =
+ (n < o->emitted_symbols->nr - 1) ?
+ &o->emitted_symbols->buf[n + 1] : NULL;
+
+ /* Not a plus or minus line? */
+ if (l->s != DIFF_SYMBOL_PLUS && l->s != DIFF_SYMBOL_MINUS)
+ continue;
+
+ /* Not a moved line? */
+ if (!(l->flags & DIFF_SYMBOL_MOVED_LINE))
+ continue;
+
+ /*
+ * If prev or next are not a plus or minus line,
+ * pretend they don't exist
+ */
+ if (prev && prev->s != DIFF_SYMBOL_PLUS &&
+ prev->s != DIFF_SYMBOL_MINUS)
+ prev = NULL;
+ if (next && next->s != DIFF_SYMBOL_PLUS &&
+ next->s != DIFF_SYMBOL_MINUS)
+ next = NULL;
+
+ /* Inside a block? */
+ if ((prev &&
+ (prev->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK) ==
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK)) &&
+ (next &&
+ (next->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK) ==
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK))) {
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_UNINTERESTING;
+ continue;
+ }
+
+ /* Check if we are at an interesting bound: */
+ if (prev && (prev->flags & DIFF_SYMBOL_MOVED_LINE) &&
+ (prev->flags & DIFF_SYMBOL_MOVED_LINE_ALT) !=
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ALT))
+ continue;
+ if (next && (next->flags & DIFF_SYMBOL_MOVED_LINE) &&
+ (next->flags & DIFF_SYMBOL_MOVED_LINE_ALT) !=
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ALT))
+ continue;
+
+ /*
+ * The boundary to prev and next are not interesting,
+ * so this line is not interesting as a whole
+ */
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_UNINTERESTING;
+ }
+}
+
+static void emit_line_ws_markup(struct diff_options *o,
+ const char *set, const char *reset,
+ const char *line, int len, char sign,
+ unsigned ws_rule, int blank_at_eof)
{
- const char *set = diff_get_color(ecbdata->color_diff, color);
const char *ws = NULL;
- if (ecbdata->opt->ws_error_highlight & ws_error_highlight) {
- ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE);
+ if (o->ws_error_highlight & ws_rule) {
+ ws = diff_get_color_opt(o, DIFF_WHITESPACE);
if (!*ws)
ws = NULL;
}
if (!ws)
- emit_line_0(ecbdata->opt, set, reset, sign, line, len);
- else if (sign == '+' && new_blank_line_at_eof(ecbdata, line, len))
+ emit_line_0(o, set, reset, sign, line, len);
+ else if (blank_at_eof)
/* Blank line at EOF - paint '+' as well */
- emit_line_0(ecbdata->opt, ws, reset, sign, line, len);
+ emit_line_0(o, ws, reset, sign, line, len);
else {
/* Emit just the prefix, then the rest. */
- emit_line_0(ecbdata->opt, set, reset, sign, "", 0);
- ws_check_emit(line, len, ecbdata->ws_rule,
- ecbdata->opt->file, set, reset, ws);
+ emit_line_0(o, set, reset, sign, "", 0);
+ ws_check_emit(line, len, ws_rule,
+ o->file, set, reset, ws);
}
}
+static void emit_diff_symbol_from_struct(struct diff_options *o,
+ struct emitted_diff_symbol *eds)
+{
+ static const char *nneof = " No newline at end of file\n";
+ const char *context, *reset, *set, *meta, *fraginfo;
+ struct strbuf sb = STRBUF_INIT;
+
+ enum diff_symbol s = eds->s;
+ const char *line = eds->line;
+ int len = eds->len;
+ unsigned flags = eds->flags;
+
+ switch (s) {
+ case DIFF_SYMBOL_NO_LF_EOF:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ putc('\n', o->file);
+ emit_line_0(o, context, reset, '\\',
+ nneof, strlen(nneof));
+ break;
+ case DIFF_SYMBOL_SUBMODULE_HEADER:
+ case DIFF_SYMBOL_SUBMODULE_ERROR:
+ case DIFF_SYMBOL_SUBMODULE_PIPETHROUGH:
+ case DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES:
+ case DIFF_SYMBOL_SUMMARY:
+ case DIFF_SYMBOL_STATS_LINE:
+ case DIFF_SYMBOL_BINARY_DIFF_BODY:
+ case DIFF_SYMBOL_CONTEXT_FRAGINFO:
+ emit_line(o, "", "", line, len);
+ break;
+ case DIFF_SYMBOL_CONTEXT_INCOMPLETE:
+ case DIFF_SYMBOL_CONTEXT_MARKER:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, context, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SEPARATOR:
+ fprintf(o->file, "%s%c",
+ diff_line_prefix(o),
+ o->line_termination);
+ break;
+ case DIFF_SYMBOL_CONTEXT:
+ set = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line_ws_markup(o, set, reset, line, len, ' ',
+ flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
+ break;
+ case DIFF_SYMBOL_PLUS:
+ switch (flags & (DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING)) {
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED_ALT_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED_ALT);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED);
+ break;
+ default:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ }
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line_ws_markup(o, set, reset, line, len, '+',
+ flags & DIFF_SYMBOL_CONTENT_WS_MASK,
+ flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
+ break;
+ case DIFF_SYMBOL_MINUS:
+ switch (flags & (DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING)) {
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED_ALT_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED_ALT);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED);
+ break;
+ default:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ }
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line_ws_markup(o, set, reset, line, len, '-',
+ flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
+ break;
+ case DIFF_SYMBOL_WORDS_PORCELAIN:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, context, reset, line, len);
+ fputs("~\n", o->file);
+ break;
+ case DIFF_SYMBOL_WORDS:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ /*
+ * Skip the prefix character, if any. With
+ * diff_suppress_blank_empty, there may be
+ * none.
+ */
+ if (line[0] != '\n') {
+ line++;
+ len--;
+ }
+ emit_line(o, context, reset, line, len);
+ break;
+ case DIFF_SYMBOL_FILEPAIR_PLUS:
+ meta = diff_get_color_opt(o, DIFF_METAINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ fprintf(o->file, "%s%s+++ %s%s%s\n", diff_line_prefix(o), meta,
+ line, reset,
+ strchr(line, ' ') ? "\t" : "");
+ break;
+ case DIFF_SYMBOL_FILEPAIR_MINUS:
+ meta = diff_get_color_opt(o, DIFF_METAINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ fprintf(o->file, "%s%s--- %s%s%s\n", diff_line_prefix(o), meta,
+ line, reset,
+ strchr(line, ' ') ? "\t" : "");
+ break;
+ case DIFF_SYMBOL_BINARY_FILES:
+ case DIFF_SYMBOL_HEADER:
+ fprintf(o->file, "%s", line);
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_HEADER:
+ fprintf(o->file, "%sGIT binary patch\n", diff_line_prefix(o));
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA:
+ fprintf(o->file, "%sdelta %s\n", diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_HEADER_LITERAL:
+ fprintf(o->file, "%sliteral %s\n", diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_FOOTER:
+ fputs(diff_line_prefix(o), o->file);
+ fputc('\n', o->file);
+ break;
+ case DIFF_SYMBOL_REWRITE_DIFF:
+ fraginfo = diff_get_color(o->use_color, DIFF_FRAGINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, fraginfo, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_ADD:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, set, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_DEL:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, set, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_UNTRACKED:
+ fprintf(o->file, "%sSubmodule %s contains untracked content\n",
+ diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_MODIFIED:
+ fprintf(o->file, "%sSubmodule %s contains modified content\n",
+ diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_STATS_SUMMARY_NO_FILES:
+ emit_line(o, "", "", " 0 files changed\n",
+ strlen(" 0 files changed\n"));
+ break;
+ case DIFF_SYMBOL_STATS_SUMMARY_ABBREV:
+ emit_line(o, "", "", " ...\n", strlen(" ...\n"));
+ break;
+ case DIFF_SYMBOL_WORD_DIFF:
+ fprintf(o->file, "%.*s", len, line);
+ break;
+ case DIFF_SYMBOL_STAT_SEP:
+ fputs(o->stat_sep, o->file);
+ break;
+ default:
+ die("BUG: unknown diff symbol");
+ }
+ strbuf_release(&sb);
+}
+
+static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s,
+ const char *line, int len, unsigned flags)
+{
+ struct emitted_diff_symbol e = {line, len, flags, s};
+
+ if (o->emitted_symbols)
+ append_emitted_diff_symbol(o, &e);
+ else
+ emit_diff_symbol_from_struct(o, &e);
+}
+
+void diff_emit_submodule_del(struct diff_options *o, const char *line)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_DEL, line, strlen(line), 0);
+}
+
+void diff_emit_submodule_add(struct diff_options *o, const char *line)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_ADD, line, strlen(line), 0);
+}
+
+void diff_emit_submodule_untracked(struct diff_options *o, const char *path)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_UNTRACKED,
+ path, strlen(path), 0);
+}
+
+void diff_emit_submodule_modified(struct diff_options *o, const char *path)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_MODIFIED,
+ path, strlen(path), 0);
+}
+
+void diff_emit_submodule_header(struct diff_options *o, const char *header)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_HEADER,
+ header, strlen(header), 0);
+}
+
+void diff_emit_submodule_error(struct diff_options *o, const char *err)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_ERROR, err, strlen(err), 0);
+}
+
+void diff_emit_submodule_pipethrough(struct diff_options *o,
+ const char *line, int len)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_PIPETHROUGH, line, len, 0);
+}
+
+static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line, int len)
+{
+ if (!((ecbdata->ws_rule & WS_BLANK_AT_EOF) &&
+ ecbdata->blank_at_eof_in_preimage &&
+ ecbdata->blank_at_eof_in_postimage &&
+ ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
+ ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
+ return 0;
+ return ws_blank_line(line, len, ecbdata->ws_rule);
+}
+
static void emit_add_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_FILE_NEW, WSEH_NEW, '+');
+ unsigned flags = WSEH_NEW | ecbdata->ws_rule;
+ if (new_blank_line_at_eof(ecbdata, line, len))
+ flags |= DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF;
+
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_PLUS, line, len, flags);
}
static void emit_del_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_FILE_OLD, WSEH_OLD, '-');
+ unsigned flags = WSEH_OLD | ecbdata->ws_rule;
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_MINUS, line, len, flags);
}
static void emit_context_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_CONTEXT, WSEH_CONTEXT, ' ');
+ unsigned flags = WSEH_CONTEXT | ecbdata->ws_rule;
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_CONTEXT, line, len, flags);
}
static void emit_hunk_header(struct emit_callback *ecbdata,
@@ -576,7 +1297,8 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
if (len < 10 ||
memcmp(line, atat, 2) ||
!(ep = memmem(line + 2, len - 2, atat, 2))) {
- emit_line(ecbdata->opt, context, reset, line, len);
+ emit_diff_symbol(ecbdata->opt,
+ DIFF_SYMBOL_CONTEXT_MARKER, line, len, 0);
return;
}
ep += 2; /* skip over @@ */
@@ -610,7 +1332,9 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
}
strbuf_add(&msgbuf, line + len, org_len - len);
- emit_line(ecbdata->opt, "", "", msgbuf.buf, msgbuf.len);
+ strbuf_complete_line(&msgbuf);
+ emit_diff_symbol(ecbdata->opt,
+ DIFF_SYMBOL_CONTEXT_FRAGINFO, msgbuf.buf, msgbuf.len, 0);
strbuf_release(&msgbuf);
}
@@ -626,23 +1350,23 @@ static void remove_tempfile(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(diff_temp); i++) {
- if (is_tempfile_active(&diff_temp[i].tempfile))
+ if (is_tempfile_active(diff_temp[i].tempfile))
delete_tempfile(&diff_temp[i].tempfile);
diff_temp[i].name = NULL;
}
}
-static void print_line_count(FILE *file, int count)
+static void add_line_count(struct strbuf *out, int count)
{
switch (count) {
case 0:
- fprintf(file, "0,0");
+ strbuf_addstr(out, "0,0");
break;
case 1:
- fprintf(file, "1");
+ strbuf_addstr(out, "1");
break;
default:
- fprintf(file, "1,%d", count);
+ strbuf_addf(out, "1,%d", count);
break;
}
}
@@ -651,7 +1375,6 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
int prefix, const char *data, int size)
{
const char *endp = NULL;
- static const char *nneof = " No newline at end of file\n";
const char *reset = diff_get_color(ecb->color_diff, DIFF_RESET);
while (0 < size) {
@@ -669,13 +1392,8 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
size -= len;
data += len;
}
- if (!endp) {
- const char *context = diff_get_color(ecb->color_diff,
- DIFF_CONTEXT);
- putc('\n', ecb->opt->file);
- emit_line_0(ecb->opt, context, reset, '\\',
- nneof, strlen(nneof));
- }
+ if (!endp)
+ emit_diff_symbol(ecb->opt, DIFF_SYMBOL_NO_LF_EOF, NULL, 0, 0);
}
static void emit_rewrite_diff(const char *name_a,
@@ -687,18 +1405,14 @@ static void emit_rewrite_diff(const char *name_a,
struct diff_options *o)
{
int lc_a, lc_b;
- const char *name_a_tab, *name_b_tab;
- const char *metainfo = diff_get_color(o->use_color, DIFF_METAINFO);
- const char *fraginfo = diff_get_color(o->use_color, DIFF_FRAGINFO);
- const char *reset = diff_get_color(o->use_color, DIFF_RESET);
static struct strbuf a_name = STRBUF_INIT, b_name = STRBUF_INIT;
const char *a_prefix, *b_prefix;
char *data_one, *data_two;
size_t size_one, size_two;
struct emit_callback ecbdata;
- const char *line_prefix = diff_line_prefix(o);
+ struct strbuf out = STRBUF_INIT;
- if (diff_mnemonic_prefix && DIFF_OPT_TST(o, REVERSE_DIFF)) {
+ if (diff_mnemonic_prefix && o->flags.reverse_diff) {
a_prefix = o->b_prefix;
b_prefix = o->a_prefix;
} else {
@@ -708,8 +1422,6 @@ static void emit_rewrite_diff(const char *name_a,
name_a += (*name_a == '/');
name_b += (*name_b == '/');
- name_a_tab = strchr(name_a, ' ') ? "\t" : "";
- name_b_tab = strchr(name_b, ' ') ? "\t" : "";
strbuf_reset(&a_name);
strbuf_reset(&b_name);
@@ -736,18 +1448,23 @@ static void emit_rewrite_diff(const char *name_a,
lc_a = count_lines(data_one, size_one);
lc_b = count_lines(data_two, size_two);
- fprintf(o->file,
- "%s%s--- %s%s%s\n%s%s+++ %s%s%s\n%s%s@@ -",
- line_prefix, metainfo, a_name.buf, name_a_tab, reset,
- line_prefix, metainfo, b_name.buf, name_b_tab, reset,
- line_prefix, fraginfo);
+
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_MINUS,
+ a_name.buf, a_name.len, 0);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_PLUS,
+ b_name.buf, b_name.len, 0);
+
+ strbuf_addstr(&out, "@@ -");
if (!o->irreversible_delete)
- print_line_count(o->file, lc_a);
+ add_line_count(&out, lc_a);
else
- fprintf(o->file, "?,?");
- fprintf(o->file, " +");
- print_line_count(o->file, lc_b);
- fprintf(o->file, " @@%s\n", reset);
+ strbuf_addstr(&out, "?,?");
+ strbuf_addstr(&out, " +");
+ add_line_count(&out, lc_b);
+ strbuf_addstr(&out, " @@\n");
+ emit_diff_symbol(o, DIFF_SYMBOL_REWRITE_DIFF, out.buf, out.len, 0);
+ strbuf_release(&out);
+
if (lc_a && !o->irreversible_delete)
emit_rewrite_lines(&ecbdata, '-', data_one, size_one);
if (lc_b)
@@ -760,7 +1477,7 @@ static void emit_rewrite_diff(const char *name_a,
struct diff_words_buffer {
mmfile_t text;
- long alloc;
+ unsigned long alloc;
struct diff_words_orig {
const char *begin, *end;
} *orig;
@@ -807,44 +1524,56 @@ struct diff_words_data {
struct diff_words_style *style;
};
-static int fn_out_diff_words_write_helper(FILE *fp,
+static int fn_out_diff_words_write_helper(struct diff_options *o,
struct diff_words_style_elem *st_el,
const char *newline,
- size_t count, const char *buf,
- const char *line_prefix)
+ size_t count, const char *buf)
{
int print = 0;
+ struct strbuf sb = STRBUF_INIT;
while (count) {
char *p = memchr(buf, '\n', count);
if (print)
- fputs(line_prefix, fp);
+ strbuf_addstr(&sb, diff_line_prefix(o));
+
if (p != buf) {
- if (st_el->color && fputs(st_el->color, fp) < 0)
- return -1;
- if (fputs(st_el->prefix, fp) < 0 ||
- fwrite(buf, p ? p - buf : count, 1, fp) != 1 ||
- fputs(st_el->suffix, fp) < 0)
- return -1;
- if (st_el->color && *st_el->color
- && fputs(GIT_COLOR_RESET, fp) < 0)
- return -1;
+ const char *reset = st_el->color && *st_el->color ?
+ GIT_COLOR_RESET : NULL;
+ if (st_el->color && *st_el->color)
+ strbuf_addstr(&sb, st_el->color);
+ strbuf_addstr(&sb, st_el->prefix);
+ strbuf_add(&sb, buf, p ? p - buf : count);
+ strbuf_addstr(&sb, st_el->suffix);
+ if (reset)
+ strbuf_addstr(&sb, reset);
}
if (!p)
- return 0;
- if (fputs(newline, fp) < 0)
- return -1;
+ goto out;
+
+ strbuf_addstr(&sb, newline);
count -= p + 1 - buf;
buf = p + 1;
print = 1;
+ if (count) {
+ emit_diff_symbol(o, DIFF_SYMBOL_WORD_DIFF,
+ sb.buf, sb.len, 0);
+ strbuf_reset(&sb);
+ }
}
+
+out:
+ if (sb.len)
+ emit_diff_symbol(o, DIFF_SYMBOL_WORD_DIFF,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
return 0;
}
/*
* '--color-words' algorithm can be described as:
*
- * 1. collect a the minus/plus lines of a diff hunk, divided into
+ * 1. collect the minus/plus lines of a diff hunk, divided into
* minus-lines and plus-lines;
*
* 2. break both minus-lines and plus-lines into words and
@@ -919,24 +1648,20 @@ static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
fputs(line_prefix, diff_words->opt->file);
}
if (diff_words->current_plus != plus_begin) {
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->ctx, style->newline,
plus_begin - diff_words->current_plus,
- diff_words->current_plus, line_prefix);
- if (*(plus_begin - 1) == '\n')
- fputs(line_prefix, diff_words->opt->file);
+ diff_words->current_plus);
}
if (minus_begin != minus_end) {
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->old, style->newline,
- minus_end - minus_begin, minus_begin,
- line_prefix);
+ minus_end - minus_begin, minus_begin);
}
if (plus_begin != plus_end) {
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->new, style->newline,
- plus_end - plus_begin, plus_begin,
- line_prefix);
+ plus_end - plus_begin, plus_begin);
}
diff_words->current_plus = plus_end;
@@ -1030,11 +1755,12 @@ static void diff_words_show(struct diff_words_data *diff_words)
/* special case: only removal */
if (!diff_words->plus.text.size) {
- fputs(line_prefix, diff_words->opt->file);
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ emit_diff_symbol(diff_words->opt, DIFF_SYMBOL_WORD_DIFF,
+ line_prefix, strlen(line_prefix), 0);
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->old, style->newline,
diff_words->minus.text.size,
- diff_words->minus.text.ptr, line_prefix);
+ diff_words->minus.text.ptr);
diff_words->minus.text.size = 0;
return;
}
@@ -1057,12 +1783,12 @@ static void diff_words_show(struct diff_words_data *diff_words)
if (diff_words->current_plus != diff_words->plus.text.ptr +
diff_words->plus.text.size) {
if (color_words_output_graph_prefix(diff_words))
- fputs(line_prefix, diff_words->opt->file);
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ emit_diff_symbol(diff_words->opt, DIFF_SYMBOL_WORD_DIFF,
+ line_prefix, strlen(line_prefix), 0);
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->ctx, style->newline,
diff_words->plus.text.ptr + diff_words->plus.text.size
- - diff_words->current_plus, diff_words->current_plus,
- line_prefix);
+ - diff_words->current_plus, diff_words->current_plus);
}
diff_words->minus.text.size = diff_words->plus.text.size = 0;
}
@@ -1070,9 +1796,29 @@ static void diff_words_show(struct diff_words_data *diff_words)
/* In "color-words" mode, show word-diff of words accumulated in the buffer */
static void diff_words_flush(struct emit_callback *ecbdata)
{
+ struct diff_options *wo = ecbdata->diff_words->opt;
+
if (ecbdata->diff_words->minus.text.size ||
ecbdata->diff_words->plus.text.size)
diff_words_show(ecbdata->diff_words);
+
+ if (wo->emitted_symbols) {
+ struct diff_options *o = ecbdata->opt;
+ struct emitted_diff_symbols *wol = wo->emitted_symbols;
+ int i;
+
+ /*
+ * NEEDSWORK:
+ * Instead of appending each, concat all words to a line?
+ */
+ for (i = 0; i < wol->nr; i++)
+ append_emitted_diff_symbol(o, &wol->buf[i]);
+
+ for (i = 0; i < wol->nr; i++)
+ free((void *)wol->buf[i].line);
+
+ wol->nr = 0;
+ }
}
static void diff_filespec_load_driver(struct diff_filespec *one)
@@ -1108,6 +1854,11 @@ static void init_diff_words_data(struct emit_callback *ecbdata,
xcalloc(1, sizeof(struct diff_words_data));
ecbdata->diff_words->type = o->word_diff;
ecbdata->diff_words->opt = o;
+
+ if (orig_opts->emitted_symbols)
+ o->emitted_symbols =
+ xcalloc(1, sizeof(struct emitted_diff_symbols));
+
if (!o->word_regex)
o->word_regex = userdiff_word_regex(one);
if (!o->word_regex)
@@ -1142,6 +1893,7 @@ static void free_diff_words_data(struct emit_callback *ecbdata)
{
if (ecbdata->diff_words) {
diff_words_flush(ecbdata);
+ free (ecbdata->diff_words->opt->emitted_symbols);
free (ecbdata->diff_words->opt);
free (ecbdata->diff_words->minus.text.ptr);
free (ecbdata->diff_words->minus.orig);
@@ -1151,8 +1903,7 @@ static void free_diff_words_data(struct emit_callback *ecbdata)
regfree(ecbdata->diff_words->word_regex);
free(ecbdata->diff_words->word_regex);
}
- free(ecbdata->diff_words);
- ecbdata->diff_words = NULL;
+ FREE_AND_NULL(ecbdata->diff_words);
}
}
@@ -1179,8 +1930,6 @@ static unsigned long sane_truncate_line(struct emit_callback *ecb, char *line, u
unsigned long allot;
size_t l = len;
- if (ecb->truncate)
- return ecb->truncate(line, len);
cp = line;
allot = l;
while (0 < l) {
@@ -1209,30 +1958,25 @@ static void find_lno(const char *line, struct emit_callback *ecbdata)
static void fn_out_consume(void *priv, char *line, unsigned long len)
{
struct emit_callback *ecbdata = priv;
- const char *meta = diff_get_color(ecbdata->color_diff, DIFF_METAINFO);
- const char *context = diff_get_color(ecbdata->color_diff, DIFF_CONTEXT);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
- const char *line_prefix = diff_line_prefix(o);
o->found_changes = 1;
if (ecbdata->header) {
- fprintf(o->file, "%s", ecbdata->header->buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ ecbdata->header->buf, ecbdata->header->len, 0);
strbuf_reset(ecbdata->header);
ecbdata->header = NULL;
}
if (ecbdata->label_path[0]) {
- const char *name_a_tab, *name_b_tab;
-
- name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : "";
- name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : "";
-
- fprintf(o->file, "%s%s--- %s%s%s\n",
- line_prefix, meta, ecbdata->label_path[0], reset, name_a_tab);
- fprintf(o->file, "%s%s+++ %s%s%s\n",
- line_prefix, meta, ecbdata->label_path[1], reset, name_b_tab);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_MINUS,
+ ecbdata->label_path[0],
+ strlen(ecbdata->label_path[0]), 0);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_PLUS,
+ ecbdata->label_path[1],
+ strlen(ecbdata->label_path[1]), 0);
ecbdata->label_path[0] = ecbdata->label_path[1] = NULL;
}
@@ -1248,12 +1992,13 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
len = sane_truncate_line(ecbdata, line, len);
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
- if (line[len-1] != '\n')
- putc('\n', o->file);
return;
}
if (ecbdata->diff_words) {
+ enum diff_symbol s =
+ ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN ?
+ DIFF_SYMBOL_WORDS_PORCELAIN : DIFF_SYMBOL_WORDS;
if (line[0] == '-') {
diff_words_append(line, len,
&ecbdata->diff_words->minus);
@@ -1273,21 +2018,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
return;
}
diff_words_flush(ecbdata);
- if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
- emit_line(o, context, reset, line, len);
- fputs("~\n", o->file);
- } else {
- /*
- * Skip the prefix character, if any. With
- * diff_suppress_blank_empty, there may be
- * none.
- */
- if (line[0] != '\n') {
- line++;
- len--;
- }
- emit_line(o, context, reset, line, len);
- }
+ emit_diff_symbol(o, s, line, len, 0);
return;
}
@@ -1308,8 +2039,8 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
default:
/* incomplete line at the end */
ecbdata->lno_in_preimage++;
- emit_line(o, diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
- reset, line, len);
+ emit_diff_symbol(o, DIFF_SYMBOL_CONTEXT_INCOMPLETE,
+ line, len, 0);
break;
}
}
@@ -1454,20 +2185,14 @@ static int scale_linear(int it, int width, int max_change)
return 1 + (it * (width - 1) / max_change);
}
-static void show_name(FILE *file,
- const char *prefix, const char *name, int len)
-{
- fprintf(file, " %s%-*s |", prefix, len, name);
-}
-
-static void show_graph(FILE *file, char ch, int cnt, const char *set, const char *reset)
+static void show_graph(struct strbuf *out, char ch, int cnt,
+ const char *set, const char *reset)
{
if (cnt <= 0)
return;
- fprintf(file, "%s", set);
- while (cnt--)
- putc(ch, file);
- fprintf(file, "%s", reset);
+ strbuf_addstr(out, set);
+ strbuf_addchars(out, ch, cnt);
+ strbuf_addstr(out, reset);
}
static void fill_print_name(struct diffstat_file *file)
@@ -1491,14 +2216,16 @@ static void fill_print_name(struct diffstat_file *file)
file->print_name = pname;
}
-int print_stat_summary(FILE *fp, int files, int insertions, int deletions)
+static void print_stat_summary_inserts_deletes(struct diff_options *options,
+ int files, int insertions, int deletions)
{
struct strbuf sb = STRBUF_INIT;
- int ret;
if (!files) {
assert(insertions == 0 && deletions == 0);
- return fprintf(fp, "%s\n", " 0 files changed");
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_SUMMARY_NO_FILES,
+ NULL, 0, 0);
+ return;
}
strbuf_addf(&sb,
@@ -1525,9 +2252,19 @@ int print_stat_summary(FILE *fp, int files, int insertions, int deletions)
deletions);
}
strbuf_addch(&sb, '\n');
- ret = fputs(sb.buf, fp);
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES,
+ sb.buf, sb.len, 0);
strbuf_release(&sb);
- return ret;
+}
+
+void print_stat_summary(FILE *fp, int files,
+ int insertions, int deletions)
+{
+ struct diff_options o;
+ memset(&o, 0, sizeof(o));
+ o.file = fp;
+
+ print_stat_summary_inserts_deletes(&o, files, insertions, deletions);
}
static void show_stats(struct diffstat_t *data, struct diff_options *options)
@@ -1537,13 +2274,13 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
int total_files = data->nr, count;
int width, name_width, graph_width, number_width = 0, bin_width = 0;
const char *reset, *add_c, *del_c;
- const char *line_prefix = "";
int extra_shown = 0;
+ const char *line_prefix = diff_line_prefix(options);
+ struct strbuf out = STRBUF_INIT;
if (data->nr == 0)
return;
- line_prefix = diff_line_prefix(options);
count = options->stat_count ? options->stat_count : data->nr;
reset = diff_get_color_opt(options, DIFF_RESET);
@@ -1616,7 +2353,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
*/
if (options->stat_width == -1)
- width = term_columns() - options->output_prefix_length;
+ width = term_columns() - strlen(line_prefix);
else
width = options->stat_width ? options->stat_width : 80;
number_width = decimal_width(max_change) > number_width ?
@@ -1697,26 +2434,32 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
}
if (file->is_binary) {
- fprintf(options->file, "%s", line_prefix);
- show_name(options->file, prefix, name, len);
- fprintf(options->file, " %*s", number_width, "Bin");
+ strbuf_addf(&out, " %s%-*s |", prefix, len, name);
+ strbuf_addf(&out, " %*s", number_width, "Bin");
if (!added && !deleted) {
- putc('\n', options->file);
+ strbuf_addch(&out, '\n');
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
continue;
}
- fprintf(options->file, " %s%"PRIuMAX"%s",
+ strbuf_addf(&out, " %s%"PRIuMAX"%s",
del_c, deleted, reset);
- fprintf(options->file, " -> ");
- fprintf(options->file, "%s%"PRIuMAX"%s",
+ strbuf_addstr(&out, " -> ");
+ strbuf_addf(&out, "%s%"PRIuMAX"%s",
add_c, added, reset);
- fprintf(options->file, " bytes");
- fprintf(options->file, "\n");
+ strbuf_addstr(&out, " bytes\n");
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
continue;
}
else if (file->is_unmerged) {
- fprintf(options->file, "%s", line_prefix);
- show_name(options->file, prefix, name, len);
- fprintf(options->file, " Unmerged\n");
+ strbuf_addf(&out, " %s%-*s |", prefix, len, name);
+ strbuf_addstr(&out, " Unmerged\n");
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
continue;
}
@@ -1739,14 +2482,16 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
add = total - del;
}
}
- fprintf(options->file, "%s", line_prefix);
- show_name(options->file, prefix, name, len);
- fprintf(options->file, " %*"PRIuMAX"%s",
+ strbuf_addf(&out, " %s%-*s |", prefix, len, name);
+ strbuf_addf(&out, " %*"PRIuMAX"%s",
number_width, added + deleted,
added + deleted ? " " : "");
- show_graph(options->file, '+', add, add_c, reset);
- show_graph(options->file, '-', del, del_c, reset);
- fprintf(options->file, "\n");
+ show_graph(&out, '+', add, add_c, reset);
+ show_graph(&out, '-', del, del_c, reset);
+ strbuf_addch(&out, '\n');
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
}
for (i = 0; i < data->nr; i++) {
@@ -1767,11 +2512,14 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
if (i < count)
continue;
if (!extra_shown)
- fprintf(options->file, "%s ...\n", line_prefix);
+ emit_diff_symbol(options,
+ DIFF_SYMBOL_STATS_SUMMARY_ABBREV,
+ NULL, 0, 0);
extra_shown = 1;
}
- fprintf(options->file, "%s", line_prefix);
- print_stat_summary(options->file, total_files, adds, dels);
+
+ print_stat_summary_inserts_deletes(options, total_files, adds, dels);
+ strbuf_release(&out);
}
static void show_shortstats(struct diffstat_t *data, struct diff_options *options)
@@ -1783,7 +2531,7 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option
for (i = 0; i < data->nr; i++) {
int added = data->files[i]->added;
- int deleted= data->files[i]->deleted;
+ int deleted = data->files[i]->deleted;
if (data->files[i]->is_unmerged ||
(!data->files[i]->is_interesting && (added + deleted == 0))) {
@@ -1793,8 +2541,7 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option
dels += deleted;
}
}
- fprintf(options->file, "%s", diff_line_prefix(options));
- print_stat_summary(options->file, total_files, adds, dels);
+ print_stat_summary_inserts_deletes(options, total_files, adds, dels);
}
static void show_numstat(struct diffstat_t *data, struct diff_options *options)
@@ -1913,7 +2660,7 @@ static void show_dirstat(struct diff_options *options)
dir.alloc = 0;
dir.nr = 0;
dir.permille = options->dirstat_permille;
- dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);
+ dir.cumulative = options->flags.dirstat_cumulative;
changed = 0;
for (i = 0; i < q->nr; i++) {
@@ -1939,7 +2686,7 @@ static void show_dirstat(struct diff_options *options)
goto found_damage;
}
- if (DIFF_OPT_TST(options, DIRSTAT_BY_FILE)) {
+ if (options->flags.dirstat_by_file) {
/*
* In --dirstat-by-file mode, we don't really need to
* look at the actual file contents at all.
@@ -1997,7 +2744,7 @@ found_damage:
return;
/* Show all directories with more than x% of the changes */
- qsort(dir.files, dir.nr, sizeof(dir.files[0]), dirstat_compare);
+ QSORT(dir.files, dir.nr, dirstat_compare);
gather_dirstat(options, &dir, changed, "", 0);
}
@@ -2014,7 +2761,7 @@ static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *o
dir.alloc = 0;
dir.nr = 0;
dir.permille = options->dirstat_permille;
- dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);
+ dir.cumulative = options->flags.dirstat_cumulative;
changed = 0;
for (i = 0; i < data->nr; i++) {
@@ -2028,7 +2775,7 @@ static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *o
* bytes per "line".
* This is stupid and ugly, but very cheap...
*/
- damage = (damage + 63) / 64;
+ damage = DIV_ROUND_UP(damage, 64);
ALLOC_GROW(dir.files, dir.nr + 1, dir.alloc);
dir.files[dir.nr].name = file->name;
dir.files[dir.nr].changed = damage;
@@ -2041,7 +2788,7 @@ static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *o
return;
/* Show all directories with more than x% of the changes */
- qsort(dir.files, dir.nr, sizeof(dir.files[0]), dirstat_compare);
+ QSORT(dir.files, dir.nr, dirstat_compare);
gather_dirstat(options, &dir, changed, "", 0);
}
@@ -2158,8 +2905,8 @@ static unsigned char *deflate_it(char *data,
return deflated;
}
-static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
- const char *prefix)
+static void emit_binary_diff_body(struct diff_options *o,
+ mmfile_t *one, mmfile_t *two)
{
void *cp;
void *delta;
@@ -2188,13 +2935,18 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
}
if (delta && delta_size < deflate_size) {
- fprintf(file, "%sdelta %lu\n", prefix, orig_size);
+ char *s = xstrfmt("%lu", orig_size);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA,
+ s, strlen(s), 0);
+ free(s);
free(deflated);
data = delta;
data_size = delta_size;
- }
- else {
- fprintf(file, "%sliteral %lu\n", prefix, two->size);
+ } else {
+ char *s = xstrfmt("%lu", two->size);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER_LITERAL,
+ s, strlen(s), 0);
+ free(s);
free(delta);
data = deflated;
data_size = deflate_size;
@@ -2203,8 +2955,9 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
/* emit data encoded in base85 */
cp = data;
while (data_size) {
+ int len;
int bytes = (52 < data_size) ? 52 : data_size;
- char line[70];
+ char line[71];
data_size -= bytes;
if (bytes <= 26)
line[0] = bytes + 'A' - 1;
@@ -2212,20 +2965,24 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
line[0] = bytes - 26 + 'a' - 1;
encode_85(line + 1, cp, bytes);
cp = (char *) cp + bytes;
- fprintf(file, "%s", prefix);
- fputs(line, file);
- fputc('\n', file);
+
+ len = strlen(line);
+ line[len++] = '\n';
+ line[len] = '\0';
+
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_BODY,
+ line, len, 0);
}
- fprintf(file, "%s\n", prefix);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_FOOTER, NULL, 0, 0);
free(data);
}
-static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two,
- const char *prefix)
+static void emit_binary_diff(struct diff_options *o,
+ mmfile_t *one, mmfile_t *two)
{
- fprintf(file, "%sGIT binary patch\n", prefix);
- emit_binary_diff_body(file, one, two, prefix);
- emit_binary_diff_body(file, two, one, prefix);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER, NULL, 0, 0);
+ emit_binary_diff_body(o, one, two);
+ emit_binary_diff_body(o, two, one);
}
int diff_filespec_is_binary(struct diff_filespec *one)
@@ -2290,26 +3047,8 @@ static void builtin_diff(const char *name_a,
struct strbuf header = STRBUF_INIT;
const char *line_prefix = diff_line_prefix(o);
- if (DIFF_OPT_TST(o, SUBMODULE_LOG) &&
- (!one->mode || S_ISGITLINK(one->mode)) &&
- (!two->mode || S_ISGITLINK(two->mode))) {
- const char *del = diff_get_color_opt(o, DIFF_FILE_OLD);
- const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
- show_submodule_summary(o->file, one->path ? one->path : two->path,
- line_prefix,
- one->oid.hash, two->oid.hash,
- two->dirty_submodule,
- meta, del, add, reset);
- return;
- }
-
- if (DIFF_OPT_TST(o, ALLOW_TEXTCONV)) {
- textconv_one = get_textconv(one);
- textconv_two = get_textconv(two);
- }
-
diff_set_mnemonic_prefix(o, "a/", "b/");
- if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
+ if (o->flags.reverse_diff) {
a_prefix = o->b_prefix;
b_prefix = o->a_prefix;
} else {
@@ -2317,6 +3056,27 @@ static void builtin_diff(const char *name_a,
b_prefix = o->b_prefix;
}
+ if (o->submodule_format == DIFF_SUBMODULE_LOG &&
+ (!one->mode || S_ISGITLINK(one->mode)) &&
+ (!two->mode || S_ISGITLINK(two->mode))) {
+ show_submodule_summary(o, one->path ? one->path : two->path,
+ &one->oid, &two->oid,
+ two->dirty_submodule);
+ return;
+ } else if (o->submodule_format == DIFF_SUBMODULE_INLINE_DIFF &&
+ (!one->mode || S_ISGITLINK(one->mode)) &&
+ (!two->mode || S_ISGITLINK(two->mode))) {
+ show_submodule_inline_diff(o, one->path ? one->path : two->path,
+ &one->oid, &two->oid,
+ two->dirty_submodule);
+ return;
+ }
+
+ if (o->flags.allow_textconv) {
+ textconv_one = get_textconv(one);
+ textconv_two = get_textconv(two);
+ }
+
/* Never use a non-valid filename anywhere if at all possible */
name_a = DIFF_FILE_VALID(one) ? name_a : name_b;
name_b = DIFF_FILE_VALID(two) ? name_b : name_a;
@@ -2357,7 +3117,8 @@ static void builtin_diff(const char *name_a,
if (complete_rewrite &&
(textconv_one || !diff_filespec_is_binary(one)) &&
(textconv_two || !diff_filespec_is_binary(two))) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
emit_rewrite_diff(name_a, name_b, one, two,
textconv_one, textconv_two, o);
@@ -2367,23 +3128,31 @@ static void builtin_diff(const char *name_a,
}
if (o->irreversible_delete && lbl[1][0] == '/') {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf,
+ header.len, 0);
strbuf_reset(&header);
goto free_ab_and_return;
- } else if (!DIFF_OPT_TST(o, TEXT) &&
+ } else if (!o->flags.text &&
( (!textconv_one && diff_filespec_is_binary(one)) ||
(!textconv_two && diff_filespec_is_binary(two)) )) {
+ struct strbuf sb = STRBUF_INIT;
if (!one->data && !two->data &&
S_ISREG(one->mode) && S_ISREG(two->mode) &&
- !DIFF_OPT_TST(o, BINARY)) {
+ !o->flags.binary) {
if (!oidcmp(&one->oid, &two->oid)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len,
+ 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
- fprintf(o->file, "%sBinary files %s and %s differ\n",
- line_prefix, lbl[0], lbl[1]);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
+ strbuf_addf(&sb, "%sBinary files %s and %s differ\n",
+ diff_line_prefix(o), lbl[0], lbl[1]);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_FILES,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
goto free_ab_and_return;
}
if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
@@ -2392,16 +3161,21 @@ static void builtin_diff(const char *name_a,
if (mf1.size == mf2.size &&
!memcmp(mf1.ptr, mf2.ptr, mf1.size)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf, header.len, 0);
strbuf_reset(&header);
- if (DIFF_OPT_TST(o, BINARY))
- emit_binary_diff(o->file, &mf1, &mf2, line_prefix);
- else
- fprintf(o->file, "%sBinary files %s and %s differ\n",
- line_prefix, lbl[0], lbl[1]);
+ if (o->flags.binary)
+ emit_binary_diff(o, &mf1, &mf2);
+ else {
+ strbuf_addf(&sb, "%sBinary files %s and %s differ\n",
+ diff_line_prefix(o), lbl[0], lbl[1]);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_FILES,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
+ }
o->found_changes = 1;
} else {
/* Crazy xdl interfaces.. */
@@ -2413,7 +3187,8 @@ static void builtin_diff(const char *name_a,
const struct userdiff_funcname *pe;
if (must_show_header) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
}
@@ -2435,10 +3210,12 @@ static void builtin_diff(const char *name_a,
ecbdata.opt = o;
ecbdata.header = header.len ? &header : NULL;
xpp.flags = o->xdl_opts;
+ xpp.anchors = o->anchors;
+ xpp.anchors_nr = o->anchors_nr;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
xecfg.flags = XDL_EMIT_FUNCNAMES;
- if (DIFF_OPT_TST(o, FUNCCONTEXT))
+ if (o->flags.funccontext)
xecfg.flags |= XDL_EMIT_FUNCCONTEXT;
if (pe)
xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
@@ -2527,6 +3304,8 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
xpp.flags = o->xdl_opts;
+ xpp.anchors = o->anchors;
+ xpp.anchors_nr = o->anchors_nr;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
if (xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat,
@@ -2603,7 +3382,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
diff_free_filespec_data(one);
diff_free_filespec_data(two);
if (data.status)
- DIFF_OPT_SET(o, CHECK_FAILED);
+ o->flags.check_failed = 1;
}
struct diff_filespec *alloc_filespec(const char *path)
@@ -2624,13 +3403,13 @@ void free_filespec(struct diff_filespec *spec)
}
}
-void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1,
- int sha1_valid, unsigned short mode)
+void fill_filespec(struct diff_filespec *spec, const struct object_id *oid,
+ int oid_valid, unsigned short mode)
{
if (mode) {
spec->mode = canon_mode(mode);
- hashcpy(spec->oid.hash, sha1);
- spec->oid_valid = sha1_valid;
+ oidcpy(&spec->oid, oid);
+ spec->oid_valid = oid_valid;
}
}
@@ -2639,7 +3418,7 @@ void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1,
* the work tree has that object contents, return true, so that
* prepare_temp_file() does not have to inflate and extract.
*/
-static int reuse_worktree_file(const char *name, const unsigned char *sha1, int want_file)
+static int reuse_worktree_file(const char *name, const struct object_id *oid, int want_file)
{
const struct cache_entry *ce;
struct stat st;
@@ -2670,14 +3449,14 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int
* objects however would tend to be slower as they need
* to be individually opened and inflated.
*/
- if (!FAST_WORKING_DIRECTORY && !want_file && has_sha1_pack(sha1))
+ if (!FAST_WORKING_DIRECTORY && !want_file && has_sha1_pack(oid->hash))
return 0;
/*
* Similarly, if we'd have to convert the file contents anyway, that
* makes the optimization not worthwhile.
*/
- if (!want_file && would_convert_to_git(name))
+ if (!want_file && would_convert_to_git(&the_index, name))
return 0;
len = strlen(name);
@@ -2690,7 +3469,7 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int
* This is not the sha1 we are looking for, or
* unreusable because it is not a regular file.
*/
- if (hashcmp(sha1, ce->sha1) || !S_ISREG(ce->ce_mode))
+ if (oidcmp(oid, &ce->oid) || !S_ISREG(ce->ce_mode))
return 0;
/*
@@ -2741,13 +3520,13 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
{
int size_only = flags & CHECK_SIZE_ONLY;
int err = 0;
+ int conv_flags = global_conv_flags_eol;
/*
* demote FAIL to WARN to allow inspecting the situation
* instead of refusing.
*/
- enum safe_crlf crlf_warn = (safe_crlf == SAFE_CRLF_FAIL
- ? SAFE_CRLF_WARN
- : safe_crlf);
+ if (conv_flags & CONV_EOL_RNDTRP_DIE)
+ conv_flags = CONV_EOL_RNDTRP_WARN;
if (!DIFF_FILE_VALID(s))
die("internal error: asking to populate invalid file.");
@@ -2764,20 +3543,18 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
return diff_populate_gitlink(s, size_only);
if (!s->oid_valid ||
- reuse_worktree_file(s->path, s->oid.hash, 0)) {
+ reuse_worktree_file(s->path, &s->oid, 0)) {
struct strbuf buf = STRBUF_INIT;
struct stat st;
int fd;
if (lstat(s->path, &st) < 0) {
- if (errno == ENOENT) {
- err_empty:
- err = -1;
- empty:
- s->data = (char *)"";
- s->size = 0;
- return err;
- }
+ err_empty:
+ err = -1;
+ empty:
+ s->data = (char *)"";
+ s->size = 0;
+ return err;
}
s->size = xsize_t(st.st_size);
if (!s->size)
@@ -2792,8 +3569,25 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
s->should_free = 1;
return 0;
}
- if (size_only)
+
+ /*
+ * Even if the caller would be happy with getting
+ * only the size, we cannot return early at this
+ * point if the path requires us to run the content
+ * conversion.
+ */
+ if (size_only && !would_convert_to_git(&the_index, s->path))
return 0;
+
+ /*
+ * Note: this check uses xsize_t(st.st_size) that may
+ * not be the true size of the blob after it goes
+ * through convert_to_git(). This may not strictly be
+ * correct, but the whole point of big_file_threshold
+ * and is_binary check being that we want to avoid
+ * opening the file and inspecting the contents, this
+ * is probably fine.
+ */
if ((flags & CHECK_BINARY) &&
s->size > big_file_threshold && s->is_binary == -1) {
s->is_binary = 1;
@@ -2809,7 +3603,7 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
/*
* Convert from working tree format to canonical git format
*/
- if (convert_to_git(s->path, s->data, s->size, &buf, crlf_warn)) {
+ if (convert_to_git(&the_index, s->path, s->data, s->size, &buf, conv_flags)) {
size_t size = 0;
munmap(s->data, s->size);
s->should_munmap = 0;
@@ -2856,8 +3650,7 @@ void diff_free_filespec_blob(struct diff_filespec *s)
void diff_free_filespec_data(struct diff_filespec *s)
{
diff_free_filespec_blob(s);
- free(s->cnt_data);
- s->cnt_data = NULL;
+ FREE_AND_NULL(s->cnt_data);
}
static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
@@ -2866,7 +3659,6 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
const struct object_id *oid,
int mode)
{
- int fd;
struct strbuf buf = STRBUF_INIT;
struct strbuf template = STRBUF_INIT;
char *path_dup = xstrdup(path);
@@ -2876,18 +3668,18 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
strbuf_addstr(&template, "XXXXXX_");
strbuf_addstr(&template, base);
- fd = mks_tempfile_ts(&temp->tempfile, template.buf, strlen(base) + 1);
- if (fd < 0)
+ temp->tempfile = mks_tempfile_ts(template.buf, strlen(base) + 1);
+ if (!temp->tempfile)
die_errno("unable to create temp-file");
if (convert_to_working_tree(path,
(const char *)blob, (size_t)size, &buf)) {
blob = buf.buf;
size = buf.len;
}
- if (write_in_full(fd, blob, size) != size)
+ if (write_in_full(temp->tempfile->fd, blob, size) < 0 ||
+ close_tempfile_gently(temp->tempfile))
die_errno("unable to write temp-file");
- close_tempfile(&temp->tempfile);
- temp->name = get_tempfile_path(&temp->tempfile);
+ temp->name = get_tempfile_path(temp->tempfile);
oid_to_hex_r(temp->hex, oid);
xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
strbuf_release(&buf);
@@ -2913,7 +3705,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
if (!S_ISGITLINK(one->mode) &&
(!one->oid_valid ||
- reuse_worktree_file(name, one->oid.hash, 1))) {
+ reuse_worktree_file(name, &one->oid, 1))) {
struct stat st;
if (lstat(name, &st) < 0) {
if (errno == ENOENT)
@@ -2935,13 +3727,13 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
/* we can borrow from the file in the work tree */
temp->name = name;
if (!one->oid_valid)
- sha1_to_hex_r(temp->hex, null_sha1);
+ oid_to_hex_r(temp->hex, &null_oid);
else
- sha1_to_hex_r(temp->hex, one->oid.hash);
+ oid_to_hex_r(temp->hex, &one->oid);
/* Even though we may sometimes borrow the
* contents from the work tree, we always want
* one->mode. mode is trustworthy even when
- * !(one->sha1_valid), as long as
+ * !(one->oid_valid), as long as
* DIFF_FILE_VALID(one).
*/
xsnprintf(temp->mode, sizeof(temp->mode), "%06o", one->mode);
@@ -3016,6 +3808,22 @@ static int similarity_index(struct diff_filepair *p)
return p->score * 100 / MAX_SCORE;
}
+static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
+{
+ if (startup_info->have_repository)
+ return find_unique_abbrev(oid->hash, abbrev);
+ else {
+ char *hex = oid_to_hex(oid);
+ if (abbrev < 0)
+ abbrev = FALLBACK_DEFAULT_ABBREV;
+ if (abbrev > GIT_SHA1_HEXSZ)
+ die("BUG: oid abbreviation out of range: %d", abbrev);
+ if (abbrev)
+ hex[abbrev] = '\0';
+ return hex;
+ }
+}
+
static void fill_metainfo(struct strbuf *msg,
const char *name,
const char *other,
@@ -3066,17 +3874,17 @@ static void fill_metainfo(struct strbuf *msg,
*must_show_header = 0;
}
if (one && two && oidcmp(&one->oid, &two->oid)) {
- int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
+ int abbrev = o->flags.full_index ? 40 : DEFAULT_ABBREV;
- if (DIFF_OPT_TST(o, BINARY)) {
+ if (o->flags.binary) {
mmfile_t mf;
if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) ||
(!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
abbrev = 40;
}
- strbuf_addf(msg, "%s%sindex %s..", line_prefix, set,
- find_unique_abbrev(one->oid.hash, abbrev));
- strbuf_add_unique_abbrev(msg, two->oid.hash, abbrev);
+ strbuf_addf(msg, "%s%sindex %s..%s", line_prefix, set,
+ diff_abbrev_oid(&one->oid, abbrev),
+ diff_abbrev_oid(&two->oid, abbrev));
if (one->mode == two->mode)
strbuf_addf(msg, " %06o", one->mode);
strbuf_addf(msg, "%s\n", reset);
@@ -3098,7 +3906,7 @@ static void run_diff_cmd(const char *pgm,
int must_show_header = 0;
- if (DIFF_OPT_TST(o, ALLOW_EXTERNAL)) {
+ if (o->flags.allow_external) {
struct userdiff_driver *drv = userdiff_find_by_path(attr_path);
if (drv && drv->external)
pgm = drv->external;
@@ -3128,7 +3936,7 @@ static void run_diff_cmd(const char *pgm,
fprintf(o->file, "* Unmerged path %s\n", name);
}
-static void diff_fill_sha1_info(struct diff_filespec *one)
+static void diff_fill_oid_info(struct diff_filespec *one)
{
if (DIFF_FILE_VALID(one)) {
if (!one->oid_valid) {
@@ -3139,7 +3947,7 @@ static void diff_fill_sha1_info(struct diff_filespec *one)
}
if (lstat(one->path, &st) < 0)
die_errno("stat '%s'", one->path);
- if (index_path(one->oid.hash, one->path, &st, 0))
+ if (index_path(&one->oid, one->path, &st, 0))
die("cannot hash %s", one->path);
}
}
@@ -3172,13 +3980,13 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o)
const char *other;
const char *attr_path;
- name = p->one->path;
- other = (strcmp(name, p->two->path) ? p->two->path : NULL);
+ name = one->path;
+ other = (strcmp(name, two->path) ? two->path : NULL);
attr_path = name;
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
- if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL))
+ if (!o->flags.allow_external)
pgm = NULL;
if (DIFF_PAIR_UNMERGED(p)) {
@@ -3187,8 +3995,8 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o)
return;
}
- diff_fill_sha1_info(one);
- diff_fill_sha1_info(two);
+ diff_fill_oid_info(one);
+ diff_fill_oid_info(two);
if (!pgm &&
DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) &&
@@ -3233,8 +4041,8 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o,
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
- diff_fill_sha1_info(p->one);
- diff_fill_sha1_info(p->two);
+ diff_fill_oid_info(p->one);
+ diff_fill_oid_info(p->two);
builtin_diffstat(name, other, p->one, p->two, diffstat, o, p);
}
@@ -3257,8 +4065,8 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
- diff_fill_sha1_info(p->one);
- diff_fill_sha1_info(p->two);
+ diff_fill_oid_info(p->one);
+ diff_fill_oid_info(p->two);
builtin_checkdiff(name, other, attr_path, p->one, p->two, o);
}
@@ -3269,13 +4077,16 @@ void diff_setup(struct diff_options *options)
options->file = stdout;
+ options->abbrev = DEFAULT_ABBREV;
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
options->dirstat_permille = diff_dirstat_permille_default;
options->context = diff_context_default;
- options->ws_error_highlight = WSEH_NEW;
- DIFF_OPT_SET(options, RENAME_EMPTY);
+ options->interhunkcontext = diff_interhunk_context_default;
+ options->ws_error_highlight = ws_error_highlight_default;
+ options->flags.rename_empty = 1;
+ options->objfind = NULL;
/* pathchange left =NULL by default */
options->change = diff_change;
@@ -3283,8 +4094,8 @@ void diff_setup(struct diff_options *options)
options->use_color = diff_use_color_default;
options->detect_rename = diff_detect_rename_default;
options->xdl_opts |= diff_algorithm;
- if (diff_compaction_heuristic)
- DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
+ if (diff_indent_heuristic)
+ DIFF_XDL_SET(options, INDENT_HEURISTIC);
options->orderfile = diff_order_file_cfg;
@@ -3294,25 +4105,25 @@ void diff_setup(struct diff_options *options)
options->a_prefix = "a/";
options->b_prefix = "b/";
}
+
+ options->color_moved = diff_color_moved_default;
}
void diff_setup_done(struct diff_options *options)
{
- int count = 0;
+ unsigned check_mask = DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS |
+ DIFF_FORMAT_CHECKDIFF |
+ DIFF_FORMAT_NO_OUTPUT;
if (options->set_default)
options->set_default(options);
- if (options->output_format & DIFF_FORMAT_NAME)
- count++;
- if (options->output_format & DIFF_FORMAT_NAME_STATUS)
- count++;
- if (options->output_format & DIFF_FORMAT_CHECKDIFF)
- count++;
- if (options->output_format & DIFF_FORMAT_NO_OUTPUT)
- count++;
- if (count > 1)
- die("--name-only, --name-status, --check and -s are mutually exclusive");
+ if (HAS_MULTI_BITS(options->output_format & check_mask))
+ die(_("--name-only, --name-status, --check and -s are mutually exclusive"));
+
+ if (HAS_MULTI_BITS(options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK))
+ die(_("-G, -S and --find-object are mutually exclusive"));
/*
* Most of the time we can say "there are changes"
@@ -3321,17 +4132,15 @@ void diff_setup_done(struct diff_options *options)
* inside contents.
*/
- if (DIFF_XDL_TST(options, IGNORE_WHITESPACE) ||
- DIFF_XDL_TST(options, IGNORE_WHITESPACE_CHANGE) ||
- DIFF_XDL_TST(options, IGNORE_WHITESPACE_AT_EOL))
- DIFF_OPT_SET(options, DIFF_FROM_CONTENTS);
+ if ((options->xdl_opts & XDF_WHITESPACE_FLAGS))
+ options->flags.diff_from_contents = 1;
else
- DIFF_OPT_CLR(options, DIFF_FROM_CONTENTS);
+ options->flags.diff_from_contents = 0;
- if (DIFF_OPT_TST(options, FIND_COPIES_HARDER))
+ if (options->flags.find_copies_harder)
options->detect_rename = DIFF_DETECT_COPY;
- if (!DIFF_OPT_TST(options, RELATIVE_NAME))
+ if (!options->flags.relative_name)
options->prefix = NULL;
if (options->prefix)
options->prefix_length = strlen(options->prefix);
@@ -3361,18 +4170,18 @@ void diff_setup_done(struct diff_options *options)
DIFF_FORMAT_DIRSTAT |
DIFF_FORMAT_SUMMARY |
DIFF_FORMAT_CHECKDIFF))
- DIFF_OPT_SET(options, RECURSIVE);
+ options->flags.recursive = 1;
/*
* Also pickaxe would not work very well if you do not say recursive
*/
- if (options->pickaxe)
- DIFF_OPT_SET(options, RECURSIVE);
+ if (options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK)
+ options->flags.recursive = 1;
/*
* When patches are generated, submodules diffed against the work tree
* must be checked for dirtiness too so it can be shown in the output
*/
if (options->output_format & DIFF_FORMAT_PATCH)
- DIFF_OPT_SET(options, DIRTY_SUBMODULES);
+ options->flags.dirty_submodules = 1;
if (options->detect_rename && options->rename_limit < 0)
options->rename_limit = diff_rename_limit_default;
@@ -3386,7 +4195,7 @@ void diff_setup_done(struct diff_options *options)
*/
read_cache();
}
- if (options->abbrev <= 0 || 40 < options->abbrev)
+ if (40 < options->abbrev)
options->abbrev = 40; /* full */
/*
@@ -3394,15 +4203,18 @@ void diff_setup_done(struct diff_options *options)
* to have found. It does not make sense not to return with
* exit code in such a case either.
*/
- if (DIFF_OPT_TST(options, QUICK)) {
+ if (options->flags.quick) {
options->output_format = DIFF_FORMAT_NO_OUTPUT;
- DIFF_OPT_SET(options, EXIT_WITH_STATUS);
+ options->flags.exit_with_status = 1;
}
options->diff_path_counter = 0;
- if (DIFF_OPT_TST(options, FOLLOW_RENAMES) && options->pathspec.nr != 1)
+ if (options->flags.follow_renames && options->pathspec.nr != 1)
die(_("--follow requires exactly one pathspec"));
+
+ if (!options->use_color || external_diff())
+ options->color_moved = 0;
}
static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *val)
@@ -3508,7 +4320,7 @@ static int stat_opt(struct diff_options *options, const char **av)
if (*arg == '=')
width = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
- die("Option '--stat-width' requires a value");
+ die_want_option("--stat-width");
else if (!*arg) {
width = strtoul(av[1], &end, 10);
argcount = 2;
@@ -3517,7 +4329,7 @@ static int stat_opt(struct diff_options *options, const char **av)
if (*arg == '=')
name_width = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
- die("Option '--stat-name-width' requires a value");
+ die_want_option("--stat-name-width");
else if (!*arg) {
name_width = strtoul(av[1], &end, 10);
argcount = 2;
@@ -3526,7 +4338,7 @@ static int stat_opt(struct diff_options *options, const char **av)
if (*arg == '=')
graph_width = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
- die("Option '--stat-graph-width' requires a value");
+ die_want_option("--stat-graph-width");
else if (!*arg) {
graph_width = strtoul(av[1], &end, 10);
argcount = 2;
@@ -3535,7 +4347,7 @@ static int stat_opt(struct diff_options *options, const char **av)
if (*arg == '=')
count = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
- die("Option '--stat-count' requires a value");
+ die_want_option("--stat-count");
else if (!*arg) {
count = strtoul(av[1], &end, 10);
argcount = 2;
@@ -3663,42 +4475,33 @@ static void enable_patch_output(int *fmt) {
*fmt |= DIFF_FORMAT_PATCH;
}
-static int parse_one_token(const char **arg, const char *token)
+static int parse_ws_error_highlight_opt(struct diff_options *opt, const char *arg)
{
- const char *rest;
- if (skip_prefix(*arg, token, &rest) && (!*rest || *rest == ',')) {
- *arg = rest;
- return 1;
+ int val = parse_ws_error_highlight(arg);
+
+ if (val < 0) {
+ error("unknown value after ws-error-highlight=%.*s",
+ -1 - val, arg);
+ return 0;
}
- return 0;
+ opt->ws_error_highlight = val;
+ return 1;
}
-static int parse_ws_error_highlight(struct diff_options *opt, const char *arg)
+static int parse_objfind_opt(struct diff_options *opt, const char *arg)
{
- const char *orig_arg = arg;
- unsigned val = 0;
- while (*arg) {
- if (parse_one_token(&arg, "none"))
- val = 0;
- else if (parse_one_token(&arg, "default"))
- val = WSEH_NEW;
- else if (parse_one_token(&arg, "all"))
- val = WSEH_NEW | WSEH_OLD | WSEH_CONTEXT;
- else if (parse_one_token(&arg, "new"))
- val |= WSEH_NEW;
- else if (parse_one_token(&arg, "old"))
- val |= WSEH_OLD;
- else if (parse_one_token(&arg, "context"))
- val |= WSEH_CONTEXT;
- else {
- error("unknown value after ws-error-highlight=%.*s",
- (int)(arg - orig_arg), orig_arg);
- return 0;
- }
- if (*arg)
- arg++;
- }
- opt->ws_error_highlight = val;
+ struct object_id oid;
+
+ if (get_oid(arg, &oid))
+ return error("unable to resolve '%s'", arg);
+
+ if (!opt->objfind)
+ opt->objfind = xcalloc(1, sizeof(*opt->objfind));
+
+ opt->pickaxe_opts |= DIFF_PICKAXE_KIND_OBJFIND;
+ opt->flags.recursive = 1;
+ opt->flags.tree_in_recursive = 1;
+ oidset_insert(opt->objfind, &oid);
return 1;
}
@@ -3725,17 +4528,12 @@ int diff_opt_parse(struct diff_options *options,
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
options->output_format |= DIFF_FORMAT_SHORTSTAT;
- else if (!strcmp(arg, "-X") || !strcmp(arg, "--dirstat"))
- return parse_dirstat_opt(options, "");
- else if (skip_prefix(arg, "-X", &arg))
- return parse_dirstat_opt(options, arg);
- else if (skip_prefix(arg, "--dirstat=", &arg))
+ else if (skip_prefix(arg, "-X", &arg) ||
+ skip_to_optional_arg(arg, "--dirstat", &arg))
return parse_dirstat_opt(options, arg);
else if (!strcmp(arg, "--cumulative"))
return parse_dirstat_opt(options, "cumulative");
- else if (!strcmp(arg, "--dirstat-by-file"))
- return parse_dirstat_opt(options, "files");
- else if (skip_prefix(arg, "--dirstat-by-file=", &arg)) {
+ else if (skip_to_optional_arg(arg, "--dirstat-by-file", &arg)) {
parse_dirstat_opt(options, "files");
return parse_dirstat_opt(options, arg);
}
@@ -3757,13 +4555,13 @@ int diff_opt_parse(struct diff_options *options,
return stat_opt(options, av);
/* renames options */
- else if (starts_with(arg, "-B") || starts_with(arg, "--break-rewrites=") ||
- !strcmp(arg, "--break-rewrites")) {
+ else if (starts_with(arg, "-B") ||
+ skip_to_optional_arg(arg, "--break-rewrites", NULL)) {
if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -B: %s", arg+2);
}
- else if (starts_with(arg, "-M") || starts_with(arg, "--find-renames=") ||
- !strcmp(arg, "--find-renames")) {
+ else if (starts_with(arg, "-M") ||
+ skip_to_optional_arg(arg, "--find-renames", NULL)) {
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -M: %s", arg+2);
options->detect_rename = DIFF_DETECT_RENAME;
@@ -3771,10 +4569,10 @@ int diff_opt_parse(struct diff_options *options,
else if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
options->irreversible_delete = 1;
}
- else if (starts_with(arg, "-C") || starts_with(arg, "--find-copies=") ||
- !strcmp(arg, "--find-copies")) {
+ else if (starts_with(arg, "-C") ||
+ skip_to_optional_arg(arg, "--find-copies", NULL)) {
if (options->detect_rename == DIFF_DETECT_COPY)
- DIFF_OPT_SET(options, FIND_COPIES_HARDER);
+ options->flags.find_copies_harder = 1;
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -C: %s", arg+2);
options->detect_rename = DIFF_DETECT_COPY;
@@ -3782,14 +4580,13 @@ int diff_opt_parse(struct diff_options *options,
else if (!strcmp(arg, "--no-renames"))
options->detect_rename = 0;
else if (!strcmp(arg, "--rename-empty"))
- DIFF_OPT_SET(options, RENAME_EMPTY);
+ options->flags.rename_empty = 1;
else if (!strcmp(arg, "--no-rename-empty"))
- DIFF_OPT_CLR(options, RENAME_EMPTY);
- else if (!strcmp(arg, "--relative"))
- DIFF_OPT_SET(options, RELATIVE_NAME);
- else if (skip_prefix(arg, "--relative=", &arg)) {
- DIFF_OPT_SET(options, RELATIVE_NAME);
- options->prefix = arg;
+ options->flags.rename_empty = 0;
+ else if (skip_to_optional_arg_default(arg, "--relative", &arg, NULL)) {
+ options->flags.relative_name = 1;
+ if (arg)
+ options->prefix = arg;
}
/* xdiff options */
@@ -3803,15 +4600,26 @@ int diff_opt_parse(struct diff_options *options,
DIFF_XDL_SET(options, IGNORE_WHITESPACE_CHANGE);
else if (!strcmp(arg, "--ignore-space-at-eol"))
DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
+ else if (!strcmp(arg, "--ignore-cr-at-eol"))
+ DIFF_XDL_SET(options, IGNORE_CR_AT_EOL);
else if (!strcmp(arg, "--ignore-blank-lines"))
DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
- else if (!strcmp(arg, "--compaction-heuristic"))
- DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
- else if (!strcmp(arg, "--no-compaction-heuristic"))
- DIFF_XDL_CLR(options, COMPACTION_HEURISTIC);
- else if (!strcmp(arg, "--patience"))
+ else if (!strcmp(arg, "--indent-heuristic"))
+ DIFF_XDL_SET(options, INDENT_HEURISTIC);
+ else if (!strcmp(arg, "--no-indent-heuristic"))
+ DIFF_XDL_CLR(options, INDENT_HEURISTIC);
+ else if (!strcmp(arg, "--patience")) {
+ int i;
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
- else if (!strcmp(arg, "--histogram"))
+ /*
+ * Both --patience and --anchored use PATIENCE_DIFF
+ * internally, so remove any anchors previously
+ * specified.
+ */
+ for (i = 0; i < options->anchors_nr; i++)
+ free(options->anchors[i]);
+ options->anchors_nr = 0;
+ } else if (!strcmp(arg, "--histogram"))
options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
long value = parse_algorithm_value(optarg);
@@ -3823,29 +4631,32 @@ int diff_opt_parse(struct diff_options *options,
options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
options->xdl_opts |= value;
return argcount;
+ } else if (skip_prefix(arg, "--anchored=", &arg)) {
+ options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
+ ALLOC_GROW(options->anchors, options->anchors_nr + 1,
+ options->anchors_alloc);
+ options->anchors[options->anchors_nr++] = xstrdup(arg);
}
/* flags options */
else if (!strcmp(arg, "--binary")) {
enable_patch_output(&options->output_format);
- DIFF_OPT_SET(options, BINARY);
+ options->flags.binary = 1;
}
else if (!strcmp(arg, "--full-index"))
- DIFF_OPT_SET(options, FULL_INDEX);
+ options->flags.full_index = 1;
else if (!strcmp(arg, "-a") || !strcmp(arg, "--text"))
- DIFF_OPT_SET(options, TEXT);
+ options->flags.text = 1;
else if (!strcmp(arg, "-R"))
- DIFF_OPT_SET(options, REVERSE_DIFF);
+ options->flags.reverse_diff = 1;
else if (!strcmp(arg, "--find-copies-harder"))
- DIFF_OPT_SET(options, FIND_COPIES_HARDER);
+ options->flags.find_copies_harder = 1;
else if (!strcmp(arg, "--follow"))
- DIFF_OPT_SET(options, FOLLOW_RENAMES);
+ options->flags.follow_renames = 1;
else if (!strcmp(arg, "--no-follow")) {
- DIFF_OPT_CLR(options, FOLLOW_RENAMES);
- DIFF_OPT_CLR(options, DEFAULT_FOLLOW_RENAMES);
- } else if (!strcmp(arg, "--color"))
- options->use_color = 1;
- else if (skip_prefix(arg, "--color=", &arg)) {
+ options->flags.follow_renames = 0;
+ options->flags.default_follow_renames = 0;
+ } else if (skip_to_optional_arg_default(arg, "--color", &arg, "always")) {
int value = git_config_colorbool(NULL, arg);
if (value < 0)
return error("option `color' expects \"always\", \"auto\", or \"never\"");
@@ -3853,14 +4664,21 @@ int diff_opt_parse(struct diff_options *options,
}
else if (!strcmp(arg, "--no-color"))
options->use_color = 0;
- else if (!strcmp(arg, "--color-words")) {
- options->use_color = 1;
- options->word_diff = DIFF_WORDS_COLOR;
- }
- else if (skip_prefix(arg, "--color-words=", &arg)) {
+ else if (!strcmp(arg, "--color-moved")) {
+ if (diff_color_moved_default)
+ options->color_moved = diff_color_moved_default;
+ if (options->color_moved == COLOR_MOVED_NO)
+ options->color_moved = COLOR_MOVED_DEFAULT;
+ } else if (!strcmp(arg, "--no-color-moved"))
+ options->color_moved = COLOR_MOVED_NO;
+ else if (skip_prefix(arg, "--color-moved=", &arg)) {
+ int cm = parse_color_moved(arg);
+ if (cm < 0)
+ die("bad --color-moved argument: %s", arg);
+ options->color_moved = cm;
+ } else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
- options->word_regex = arg;
}
else if (!strcmp(arg, "--word-diff")) {
if (options->word_diff == DIFF_WORDS_NONE)
@@ -3887,29 +4705,29 @@ int diff_opt_parse(struct diff_options *options,
return argcount;
}
else if (!strcmp(arg, "--exit-code"))
- DIFF_OPT_SET(options, EXIT_WITH_STATUS);
+ options->flags.exit_with_status = 1;
else if (!strcmp(arg, "--quiet"))
- DIFF_OPT_SET(options, QUICK);
+ options->flags.quick = 1;
else if (!strcmp(arg, "--ext-diff"))
- DIFF_OPT_SET(options, ALLOW_EXTERNAL);
+ options->flags.allow_external = 1;
else if (!strcmp(arg, "--no-ext-diff"))
- DIFF_OPT_CLR(options, ALLOW_EXTERNAL);
- else if (!strcmp(arg, "--textconv"))
- DIFF_OPT_SET(options, ALLOW_TEXTCONV);
- else if (!strcmp(arg, "--no-textconv"))
- DIFF_OPT_CLR(options, ALLOW_TEXTCONV);
- else if (!strcmp(arg, "--ignore-submodules")) {
- DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
- handle_ignore_submodules_arg(options, "all");
- } else if (skip_prefix(arg, "--ignore-submodules=", &arg)) {
- DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
+ options->flags.allow_external = 0;
+ else if (!strcmp(arg, "--textconv")) {
+ options->flags.allow_textconv = 1;
+ options->flags.textconv_set_via_cmdline = 1;
+ } else if (!strcmp(arg, "--no-textconv"))
+ options->flags.allow_textconv = 0;
+ else if (skip_to_optional_arg_default(arg, "--ignore-submodules", &arg, "all")) {
+ options->flags.override_submodule_config = 1;
handle_ignore_submodules_arg(options, arg);
- } else if (!strcmp(arg, "--submodule"))
- DIFF_OPT_SET(options, SUBMODULE_LOG);
- else if (skip_prefix(arg, "--submodule=", &arg))
+ } else if (skip_to_optional_arg_default(arg, "--submodule", &arg, "log"))
return parse_submodule_opt(options, arg);
else if (skip_prefix(arg, "--ws-error-highlight=", &arg))
- return parse_ws_error_highlight(options, arg);
+ return parse_ws_error_highlight_opt(options, arg);
+ else if (!strcmp(arg, "--ita-invisible-in-index"))
+ options->ita_invisible_in_index = 1;
+ else if (!strcmp(arg, "--ita-visible-in-index"))
+ options->ita_invisible_in_index = 0;
/* misc options */
else if (!strcmp(arg, "-z"))
@@ -3932,10 +4750,10 @@ int diff_opt_parse(struct diff_options *options,
else if (!strcmp(arg, "--pickaxe-regex"))
options->pickaxe_opts |= DIFF_PICKAXE_REGEX;
else if ((argcount = short_opt('O', av, &optarg))) {
- const char *path = prefix_filename(prefix, strlen(prefix), optarg);
- options->orderfile = xstrdup(path);
+ options->orderfile = prefix_filename(prefix, optarg);
return argcount;
- }
+ } else if (skip_prefix(arg, "--find-object=", &arg))
+ return parse_objfind_opt(options, arg);
else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) {
int offending = parse_diff_filter_opt(optarg, options);
if (offending)
@@ -3943,6 +4761,8 @@ int diff_opt_parse(struct diff_options *options,
offending, optarg);
return argcount;
}
+ else if (!strcmp(arg, "--no-abbrev"))
+ options->abbrev = 0;
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (skip_prefix(arg, "--abbrev=", &arg)) {
@@ -3956,6 +4776,12 @@ int diff_opt_parse(struct diff_options *options,
options->a_prefix = optarg;
return argcount;
}
+ else if ((argcount = parse_long_opt("line-prefix", av, &optarg))) {
+ options->line_prefix = optarg;
+ options->line_prefix_length = strlen(options->line_prefix);
+ graph_setup_line_prefix(options);
+ return argcount;
+ }
else if ((argcount = parse_long_opt("dst-prefix", av, &optarg))) {
options->b_prefix = optarg;
return argcount;
@@ -3966,19 +4792,18 @@ int diff_opt_parse(struct diff_options *options,
&options->interhunkcontext))
;
else if (!strcmp(arg, "-W"))
- DIFF_OPT_SET(options, FUNCCONTEXT);
+ options->flags.funccontext = 1;
else if (!strcmp(arg, "--function-context"))
- DIFF_OPT_SET(options, FUNCCONTEXT);
+ options->flags.funccontext = 1;
else if (!strcmp(arg, "--no-function-context"))
- DIFF_OPT_CLR(options, FUNCCONTEXT);
+ options->flags.funccontext = 0;
else if ((argcount = parse_long_opt("output", av, &optarg))) {
- const char *path = prefix_filename(prefix, strlen(prefix), optarg);
- options->file = fopen(path, "w");
- if (!options->file)
- die_errno("Could not open '%s'", path);
+ char *path = prefix_filename(prefix, optarg);
+ options->file = xfopen(path, "w");
options->close_file = 1;
if (options->use_color != GIT_COLOR_ALWAYS)
options->use_color = GIT_COLOR_NEVER;
+ free(path);
return argcount;
} else
return 0;
@@ -4089,22 +4914,25 @@ void diff_free_filepair(struct diff_filepair *p)
free(p);
}
-/*
- * This is different from find_unique_abbrev() in that
- * it stuffs the result with dots for alignment.
- */
-const char *diff_unique_abbrev(const unsigned char *sha1, int len)
+const char *diff_aligned_abbrev(const struct object_id *oid, int len)
{
int abblen;
const char *abbrev;
- if (len == 40)
- return sha1_to_hex(sha1);
- abbrev = find_unique_abbrev(sha1, len);
+ /* Do we want all 40 hex characters? */
+ if (len == GIT_SHA1_HEXSZ)
+ return oid_to_hex(oid);
+
+ /* An abbreviated value is fine, possibly followed by an ellipsis. */
+ abbrev = diff_abbrev_oid(oid, len);
+
+ if (!print_sha1_ellipsis())
+ return abbrev;
+
abblen = strlen(abbrev);
/*
- * In well-behaved cases, where the abbbreviated result is the
+ * In well-behaved cases, where the abbreviated result is the
* same as the requested length, append three dots after the
* abbreviation (hence the whole logic is limited to the case
* where abblen < 37); when the actual abbreviated result is a
@@ -4122,15 +4950,16 @@ const char *diff_unique_abbrev(const unsigned char *sha1, int len)
* the automatic sizing is supposed to give abblen that ensures
* uniqueness across all objects (statistically speaking).
*/
- if (abblen < 37) {
- static char hex[41];
+ if (abblen < GIT_SHA1_HEXSZ - 3) {
+ static char hex[GIT_MAX_HEXSZ + 1];
if (len < abblen && abblen <= len + 2)
xsnprintf(hex, sizeof(hex), "%s%.*s", abbrev, len+3-abblen, "..");
else
xsnprintf(hex, sizeof(hex), "%s...", abbrev);
return hex;
}
- return sha1_to_hex(sha1);
+
+ return oid_to_hex(oid);
}
static void diff_flush_raw(struct diff_filepair *p, struct diff_options *opt)
@@ -4141,9 +4970,9 @@ static void diff_flush_raw(struct diff_filepair *p, struct diff_options *opt)
fprintf(opt->file, "%s", diff_line_prefix(opt));
if (!(opt->output_format & DIFF_FORMAT_NAME_STATUS)) {
fprintf(opt->file, ":%06o %06o %s ", p->one->mode, p->two->mode,
- diff_unique_abbrev(p->one->oid.hash, opt->abbrev));
+ diff_aligned_abbrev(&p->one->oid, opt->abbrev));
fprintf(opt->file, "%s ",
- diff_unique_abbrev(p->two->oid.hash, opt->abbrev));
+ diff_aligned_abbrev(&p->two->oid, opt->abbrev));
}
if (p->score) {
fprintf(opt->file, "%c%03d%c", p->status, similarity_index(p),
@@ -4370,71 +5199,84 @@ static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
name_a = p->two->path;
name_b = NULL;
strip_prefix(opt->prefix_length, &name_a, &name_b);
+ fprintf(opt->file, "%s", diff_line_prefix(opt));
write_name_quoted(name_a, opt->file, opt->line_termination);
}
}
-static void show_file_mode_name(FILE *file, const char *newdelete, struct diff_filespec *fs)
+static void show_file_mode_name(struct diff_options *opt, const char *newdelete, struct diff_filespec *fs)
{
+ struct strbuf sb = STRBUF_INIT;
if (fs->mode)
- fprintf(file, " %s mode %06o ", newdelete, fs->mode);
+ strbuf_addf(&sb, " %s mode %06o ", newdelete, fs->mode);
else
- fprintf(file, " %s ", newdelete);
- write_name_quoted(fs->path, file, '\n');
-}
+ strbuf_addf(&sb, " %s ", newdelete);
+ quote_c_style(fs->path, &sb, NULL, 0);
+ strbuf_addch(&sb, '\n');
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
+}
-static void show_mode_change(FILE *file, struct diff_filepair *p, int show_name,
- const char *line_prefix)
+static void show_mode_change(struct diff_options *opt, struct diff_filepair *p,
+ int show_name)
{
if (p->one->mode && p->two->mode && p->one->mode != p->two->mode) {
- fprintf(file, "%s mode change %06o => %06o%c", line_prefix, p->one->mode,
- p->two->mode, show_name ? ' ' : '\n');
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addf(&sb, " mode change %06o => %06o",
+ p->one->mode, p->two->mode);
if (show_name) {
- write_name_quoted(p->two->path, file, '\n');
+ strbuf_addch(&sb, ' ');
+ quote_c_style(p->two->path, &sb, NULL, 0);
}
+ strbuf_addch(&sb, '\n');
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
}
}
-static void show_rename_copy(FILE *file, const char *renamecopy, struct diff_filepair *p,
- const char *line_prefix)
+static void show_rename_copy(struct diff_options *opt, const char *renamecopy,
+ struct diff_filepair *p)
{
+ struct strbuf sb = STRBUF_INIT;
char *names = pprint_rename(p->one->path, p->two->path);
-
- fprintf(file, " %s %s (%d%%)\n", renamecopy, names, similarity_index(p));
+ strbuf_addf(&sb, " %s %s (%d%%)\n",
+ renamecopy, names, similarity_index(p));
free(names);
- show_mode_change(file, p, 0, line_prefix);
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ show_mode_change(opt, p, 0);
+ strbuf_release(&sb);
}
static void diff_summary(struct diff_options *opt, struct diff_filepair *p)
{
- FILE *file = opt->file;
- const char *line_prefix = diff_line_prefix(opt);
-
switch(p->status) {
case DIFF_STATUS_DELETED:
- fputs(line_prefix, file);
- show_file_mode_name(file, "delete", p->one);
+ show_file_mode_name(opt, "delete", p->one);
break;
case DIFF_STATUS_ADDED:
- fputs(line_prefix, file);
- show_file_mode_name(file, "create", p->two);
+ show_file_mode_name(opt, "create", p->two);
break;
case DIFF_STATUS_COPIED:
- fputs(line_prefix, file);
- show_rename_copy(file, "copy", p, line_prefix);
+ show_rename_copy(opt, "copy", p);
break;
case DIFF_STATUS_RENAMED:
- fputs(line_prefix, file);
- show_rename_copy(file, "rename", p, line_prefix);
+ show_rename_copy(opt, "rename", p);
break;
default:
if (p->score) {
- fprintf(file, "%s rewrite ", line_prefix);
- write_name_quoted(p->two->path, file, ' ');
- fprintf(file, "(%d%%)\n", similarity_index(p));
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, " rewrite ");
+ quote_c_style(p->two->path, &sb, NULL, 0);
+ strbuf_addf(&sb, " (%d%%)\n", similarity_index(p));
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
}
- show_mode_change(file, p, !p->score, line_prefix);
+ show_mode_change(opt, p, !p->score);
break;
}
}
@@ -4472,14 +5314,26 @@ static void patch_id_consume(void *priv, char *line, unsigned long len)
data->patchlen += new_len;
}
+static void patch_id_add_string(git_SHA_CTX *ctx, const char *str)
+{
+ git_SHA1_Update(ctx, str, strlen(str));
+}
+
+static void patch_id_add_mode(git_SHA_CTX *ctx, unsigned mode)
+{
+ /* large enough for 2^32 in octal */
+ char buf[12];
+ int len = xsnprintf(buf, sizeof(buf), "%06o", mode);
+ git_SHA1_Update(ctx, buf, len);
+}
+
/* returns 0 upon success, and writes result into sha1 */
-static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1, int diff_header_only)
+static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
git_SHA_CTX ctx;
struct patch_id_t data;
- char buffer[PATH_MAX * 4 + 20];
git_SHA1_Init(&ctx);
memset(&data, 0, sizeof(struct patch_id_t));
@@ -4506,41 +5360,35 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1,
if (DIFF_PAIR_UNMERGED(p))
continue;
- diff_fill_sha1_info(p->one);
- diff_fill_sha1_info(p->two);
+ diff_fill_oid_info(p->one);
+ diff_fill_oid_info(p->two);
len1 = remove_space(p->one->path, strlen(p->one->path));
len2 = remove_space(p->two->path, strlen(p->two->path));
- if (p->one->mode == 0)
- len1 = snprintf(buffer, sizeof(buffer),
- "diff--gita/%.*sb/%.*s"
- "newfilemode%06o"
- "---/dev/null"
- "+++b/%.*s",
- len1, p->one->path,
- len2, p->two->path,
- p->two->mode,
- len2, p->two->path);
- else if (p->two->mode == 0)
- len1 = snprintf(buffer, sizeof(buffer),
- "diff--gita/%.*sb/%.*s"
- "deletedfilemode%06o"
- "---a/%.*s"
- "+++/dev/null",
- len1, p->one->path,
- len2, p->two->path,
- p->one->mode,
- len1, p->one->path);
- else
- len1 = snprintf(buffer, sizeof(buffer),
- "diff--gita/%.*sb/%.*s"
- "---a/%.*s"
- "+++b/%.*s",
- len1, p->one->path,
- len2, p->two->path,
- len1, p->one->path,
- len2, p->two->path);
- git_SHA1_Update(&ctx, buffer, len1);
+ patch_id_add_string(&ctx, "diff--git");
+ patch_id_add_string(&ctx, "a/");
+ git_SHA1_Update(&ctx, p->one->path, len1);
+ patch_id_add_string(&ctx, "b/");
+ git_SHA1_Update(&ctx, p->two->path, len2);
+
+ if (p->one->mode == 0) {
+ patch_id_add_string(&ctx, "newfilemode");
+ patch_id_add_mode(&ctx, p->two->mode);
+ patch_id_add_string(&ctx, "---/dev/null");
+ patch_id_add_string(&ctx, "+++b/");
+ git_SHA1_Update(&ctx, p->two->path, len2);
+ } else if (p->two->mode == 0) {
+ patch_id_add_string(&ctx, "deletedfilemode");
+ patch_id_add_mode(&ctx, p->one->mode);
+ patch_id_add_string(&ctx, "---a/");
+ git_SHA1_Update(&ctx, p->one->path, len1);
+ patch_id_add_string(&ctx, "+++/dev/null");
+ } else {
+ patch_id_add_string(&ctx, "---a/");
+ git_SHA1_Update(&ctx, p->one->path, len1);
+ patch_id_add_string(&ctx, "+++b/");
+ git_SHA1_Update(&ctx, p->two->path, len2);
+ }
if (diff_header_only)
continue;
@@ -4552,9 +5400,9 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1,
if (diff_filespec_is_binary(p->one) ||
diff_filespec_is_binary(p->two)) {
git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid),
- 40);
+ GIT_SHA1_HEXSZ);
git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid),
- 40);
+ GIT_SHA1_HEXSZ);
continue;
}
@@ -4567,15 +5415,15 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1,
p->one->path);
}
- git_SHA1_Final(sha1, &ctx);
+ git_SHA1_Final(oid->hash, &ctx);
return 0;
}
-int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1, int diff_header_only)
+int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
- int result = diff_get_patch_id(options, sha1, diff_header_only);
+ int result = diff_get_patch_id(options, oid, diff_header_only);
for (i = 0; i < q->nr; i++)
diff_free_filepair(q->queue[i]);
@@ -4612,25 +5460,71 @@ static int is_summary_empty(const struct diff_queue_struct *q)
}
static const char rename_limit_warning[] =
-"inexact rename detection was skipped due to too many files.";
+N_("inexact rename detection was skipped due to too many files.");
static const char degrade_cc_to_c_warning[] =
-"only found copies from modified paths due to too many files.";
+N_("only found copies from modified paths due to too many files.");
static const char rename_limit_advice[] =
-"you may want to set your %s variable to at least "
-"%d and retry the command.";
+N_("you may want to set your %s variable to at least "
+ "%d and retry the command.");
void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc)
{
+ fflush(stdout);
if (degraded_cc)
- warning(degrade_cc_to_c_warning);
+ warning(_(degrade_cc_to_c_warning));
else if (needed)
- warning(rename_limit_warning);
+ warning(_(rename_limit_warning));
else
return;
- if (0 < needed && needed < 32767)
- warning(rename_limit_advice, varname, needed);
+ if (0 < needed)
+ warning(_(rename_limit_advice), varname, needed);
+}
+
+static void diff_flush_patch_all_file_pairs(struct diff_options *o)
+{
+ int i;
+ static struct emitted_diff_symbols esm = EMITTED_DIFF_SYMBOLS_INIT;
+ struct diff_queue_struct *q = &diff_queued_diff;
+
+ if (WSEH_NEW & WS_RULE_MASK)
+ die("BUG: WS rules bit mask overlaps with diff symbol flags");
+
+ if (o->color_moved)
+ o->emitted_symbols = &esm;
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (check_pair_status(p))
+ diff_flush_patch(p, o);
+ }
+
+ if (o->emitted_symbols) {
+ if (o->color_moved) {
+ struct hashmap add_lines, del_lines;
+
+ hashmap_init(&del_lines,
+ (hashmap_cmp_fn)moved_entry_cmp, o, 0);
+ hashmap_init(&add_lines,
+ (hashmap_cmp_fn)moved_entry_cmp, o, 0);
+
+ add_lines_to_move_detection(o, &add_lines, &del_lines);
+ mark_color_as_moved(o, &add_lines, &del_lines);
+ if (o->color_moved == COLOR_MOVED_ZEBRA_DIM)
+ dim_moved_lines(o);
+
+ hashmap_free(&add_lines, 0);
+ hashmap_free(&del_lines, 0);
+ }
+
+ for (i = 0; i < esm.nr; i++)
+ emit_diff_symbol_from_struct(o, &esm.buf[i]);
+
+ for (i = 0; i < esm.nr; i++)
+ free((void *)esm.buf[i].line);
+ }
+ esm.nr = 0;
}
void diff_flush(struct diff_options *options)
@@ -4659,7 +5553,7 @@ void diff_flush(struct diff_options *options)
separator++;
}
- if (output_format & DIFF_FORMAT_DIRSTAT && DIFF_OPT_TST(options, DIRSTAT_BY_LINE))
+ if (output_format & DIFF_FORMAT_DIRSTAT && options->flags.dirstat_by_line)
dirstat_by_line = 1;
if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT) ||
@@ -4694,8 +5588,8 @@ void diff_flush(struct diff_options *options)
}
if (output_format & DIFF_FORMAT_NO_OUTPUT &&
- DIFF_OPT_TST(options, EXIT_WITH_STATUS) &&
- DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) {
+ options->flags.exit_with_status &&
+ options->flags.diff_from_contents) {
/*
* run diff_flush_patch for the exit status. setting
* options->file to /dev/null should be safe, because we
@@ -4703,10 +5597,9 @@ void diff_flush(struct diff_options *options)
*/
if (options->close_file)
fclose(options->file);
- options->file = fopen("/dev/null", "w");
- if (!options->file)
- die_errno("Could not open /dev/null");
+ options->file = xfopen("/dev/null", "w");
options->close_file = 1;
+ options->color_moved = 0;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
if (check_pair_status(p))
@@ -4718,20 +5611,14 @@ void diff_flush(struct diff_options *options)
if (output_format & DIFF_FORMAT_PATCH) {
if (separator) {
- fprintf(options->file, "%s%c",
- diff_line_prefix(options),
- options->line_termination);
- if (options->stat_sep) {
+ emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
+ if (options->stat_sep)
/* attach patch instead of inline */
- fputs(options->stat_sep, options->file);
- }
+ emit_diff_symbol(options, DIFF_SYMBOL_STAT_SEP,
+ NULL, 0, 0);
}
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (check_pair_status(p))
- diff_flush_patch(p, options);
- }
+ diff_flush_patch_all_file_pairs(options);
}
if (output_format & DIFF_FORMAT_CALLBACK)
@@ -4750,11 +5637,11 @@ free_queue:
* diff_addremove/diff_change does not set the bit when
* DIFF_FROM_CONTENTS is in effect (e.g. with -w).
*/
- if (DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) {
+ if (options->flags.diff_from_contents) {
if (options->found_changes)
- DIFF_OPT_SET(options, HAS_CHANGES);
+ options->flags.has_changes = 1;
else
- DIFF_OPT_CLR(options, HAS_CHANGES);
+ options->flags.has_changes = 0;
}
}
@@ -4874,7 +5761,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt)
* to determine how many paths were dirty only
* due to stat info mismatch.
*/
- if (!DIFF_OPT_TST(diffopt, NO_INDEX))
+ if (!diffopt->flags.no_index)
diffopt->skip_stat_unmatch++;
diff_free_filepair(p);
}
@@ -4897,7 +5784,7 @@ static int diffnamecmp(const void *a_, const void *b_)
void diffcore_fix_diff_index(struct diff_options *options)
{
struct diff_queue_struct *q = &diff_queued_diff;
- qsort(q->queue, q->nr, sizeof(q->queue[0]), diffnamecmp);
+ QSORT(q->queue, q->nr, diffnamecmp);
}
void diffcore_std(struct diff_options *options)
@@ -4914,7 +5801,7 @@ void diffcore_std(struct diff_options *options)
if (options->break_opt != -1)
diffcore_merge_broken();
}
- if (options->pickaxe)
+ if (options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK)
diffcore_pickaxe(options);
if (options->orderfile)
diffcore_order(options->orderfile);
@@ -4923,10 +5810,10 @@ void diffcore_std(struct diff_options *options)
diff_resolve_rename_copy();
diffcore_apply_filter(options);
- if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
- DIFF_OPT_SET(options, HAS_CHANGES);
+ if (diff_queued_diff.nr && !options->flags.diff_from_contents)
+ options->flags.has_changes = 1;
else
- DIFF_OPT_CLR(options, HAS_CHANGES);
+ options->flags.has_changes = 0;
options->found_follow = 0;
}
@@ -4938,23 +5825,23 @@ int diff_result_code(struct diff_options *opt, int status)
diff_warn_rename_limit("diff.renameLimit",
opt->needed_rename_limit,
opt->degraded_cc_to_c);
- if (!DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
+ if (!opt->flags.exit_with_status &&
!(opt->output_format & DIFF_FORMAT_CHECKDIFF))
return status;
- if (DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
- DIFF_OPT_TST(opt, HAS_CHANGES))
+ if (opt->flags.exit_with_status &&
+ opt->flags.has_changes)
result |= 01;
if ((opt->output_format & DIFF_FORMAT_CHECKDIFF) &&
- DIFF_OPT_TST(opt, CHECK_FAILED))
+ opt->flags.check_failed)
result |= 02;
return result;
}
int diff_can_quit_early(struct diff_options *opt)
{
- return (DIFF_OPT_TST(opt, QUICK) &&
+ return (opt->flags.quick &&
!opt->filter &&
- DIFF_OPT_TST(opt, HAS_CHANGES));
+ opt->flags.has_changes);
}
/*
@@ -4966,10 +5853,10 @@ int diff_can_quit_early(struct diff_options *opt)
static int is_submodule_ignored(const char *path, struct diff_options *options)
{
int ignored = 0;
- unsigned orig_flags = options->flags;
- if (!DIFF_OPT_TST(options, OVERRIDE_SUBMODULE_CONFIG))
+ struct diff_flags orig_flags = options->flags;
+ if (!options->flags.override_submodule_config)
set_diffopt_flags_from_submodule_config(options, path);
- if (DIFF_OPT_TST(options, IGNORE_SUBMODULES))
+ if (options->flags.ignore_submodules)
ignored = 1;
options->flags = orig_flags;
return ignored;
@@ -4977,8 +5864,8 @@ static int is_submodule_ignored(const char *path, struct diff_options *options)
void diff_addremove(struct diff_options *options,
int addremove, unsigned mode,
- const unsigned char *sha1,
- int sha1_valid,
+ const struct object_id *oid,
+ int oid_valid,
const char *concatpath, unsigned dirty_submodule)
{
struct diff_filespec *one, *two;
@@ -4998,7 +5885,7 @@ void diff_addremove(struct diff_options *options,
* Before the final output happens, they are pruned after
* merged into rename/copy pairs as appropriate.
*/
- if (DIFF_OPT_TST(options, REVERSE_DIFF))
+ if (options->flags.reverse_diff)
addremove = (addremove == '+' ? '-' :
addremove == '-' ? '+' : addremove);
@@ -5010,22 +5897,22 @@ void diff_addremove(struct diff_options *options,
two = alloc_filespec(concatpath);
if (addremove != '+')
- fill_filespec(one, sha1, sha1_valid, mode);
+ fill_filespec(one, oid, oid_valid, mode);
if (addremove != '-') {
- fill_filespec(two, sha1, sha1_valid, mode);
+ fill_filespec(two, oid, oid_valid, mode);
two->dirty_submodule = dirty_submodule;
}
diff_queue(&diff_queued_diff, one, two);
- if (!DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
- DIFF_OPT_SET(options, HAS_CHANGES);
+ if (!options->flags.diff_from_contents)
+ options->flags.has_changes = 1;
}
void diff_change(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
- const unsigned char *old_sha1,
- const unsigned char *new_sha1,
- int old_sha1_valid, int new_sha1_valid,
+ const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ int old_oid_valid, int new_oid_valid,
const char *concatpath,
unsigned old_dirty_submodule, unsigned new_dirty_submodule)
{
@@ -5036,15 +5923,11 @@ void diff_change(struct diff_options *options,
is_submodule_ignored(concatpath, options))
return;
- if (DIFF_OPT_TST(options, REVERSE_DIFF)) {
- unsigned tmp;
- const unsigned char *tmp_c;
- tmp = old_mode; old_mode = new_mode; new_mode = tmp;
- tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c;
- tmp = old_sha1_valid; old_sha1_valid = new_sha1_valid;
- new_sha1_valid = tmp;
- tmp = old_dirty_submodule; old_dirty_submodule = new_dirty_submodule;
- new_dirty_submodule = tmp;
+ if (options->flags.reverse_diff) {
+ SWAP(old_mode, new_mode);
+ SWAP(old_oid, new_oid);
+ SWAP(old_oid_valid, new_oid_valid);
+ SWAP(old_dirty_submodule, new_dirty_submodule);
}
if (options->prefix &&
@@ -5053,20 +5936,20 @@ void diff_change(struct diff_options *options,
one = alloc_filespec(concatpath);
two = alloc_filespec(concatpath);
- fill_filespec(one, old_sha1, old_sha1_valid, old_mode);
- fill_filespec(two, new_sha1, new_sha1_valid, new_mode);
+ fill_filespec(one, old_oid, old_oid_valid, old_mode);
+ fill_filespec(two, new_oid, new_oid_valid, new_mode);
one->dirty_submodule = old_dirty_submodule;
two->dirty_submodule = new_dirty_submodule;
p = diff_queue(&diff_queued_diff, one, two);
- if (DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
+ if (options->flags.diff_from_contents)
return;
- if (DIFF_OPT_TST(options, QUICK) && options->skip_stat_unmatch &&
+ if (options->flags.quick && options->skip_stat_unmatch &&
!diff_filespec_check_stat_unmatch(p))
return;
- DIFF_OPT_SET(options, HAS_CHANGES);
+ options->flags.has_changes = 1;
}
struct diff_filepair *diff_unmerge(struct diff_options *options, const char *path)
@@ -5144,7 +6027,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
if (driver->textconv_cache && df->oid_valid) {
*outbuf = notes_cache_get(driver->textconv_cache,
- df->oid.hash,
+ &df->oid,
&size);
if (*outbuf)
return size;
@@ -5156,7 +6039,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
if (driver->textconv_cache && df->oid_valid) {
/* ignore errors, as we might be in a readonly repository */
- notes_cache_put(driver->textconv_cache, df->oid.hash, *outbuf,
+ notes_cache_put(driver->textconv_cache, &df->oid, *outbuf,
size);
/*
* we could save up changes and flush them all at the end,
@@ -5170,6 +6053,29 @@ size_t fill_textconv(struct userdiff_driver *driver,
return size;
}
+int textconv_object(const char *path,
+ unsigned mode,
+ const struct object_id *oid,
+ int oid_valid,
+ char **buf,
+ unsigned long *buf_size)
+{
+ struct diff_filespec *df;
+ struct userdiff_driver *textconv;
+
+ df = alloc_filespec(path);
+ fill_filespec(df, oid, oid_valid, mode);
+ textconv = get_textconv(df);
+ if (!textconv) {
+ free_filespec(df);
+ return 0;
+ }
+
+ *buf_size = fill_textconv(textconv, df, buf);
+ free_filespec(df);
+ return 1;
+}
+
void setup_diff_pager(struct diff_options *opt)
{
/*
@@ -5181,7 +6087,7 @@ void setup_diff_pager(struct diff_options *opt)
* and because it is easy to find people oneline advising "git diff
* --exit-code" in hooks and other scripts, we do not do so.
*/
- if (!DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
+ if (!opt->flags.exit_with_status &&
check_pager_config("diff") != 0)
setup_pager();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 19:56:49 +0000