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Diffstat (limited to 'diff.c')
-rw-r--r--diff.c262
1 files changed, 156 insertions, 106 deletions
diff --git a/diff.c b/diff.c
index abff2eec2b..1d304e0550 100644
--- a/diff.c
+++ b/diff.c
@@ -18,6 +18,7 @@
#include "ll-merge.h"
#include "string-list.h"
#include "argv-array.h"
+#include "graph.h"
#ifdef NO_FAST_WORKING_DIRECTORY
#define FAST_WORKING_DIRECTORY 0
@@ -26,6 +27,7 @@
#endif
static int diff_detect_rename_default;
+static int diff_indent_heuristic; /* experimental */
static int diff_compaction_heuristic; /* experimental */
static int diff_rename_limit_default = 400;
static int diff_suppress_blank_empty;
@@ -54,6 +56,11 @@ static char diff_colors[][COLOR_MAXLEN] = {
GIT_COLOR_NORMAL, /* FUNCINFO */
};
+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"))
@@ -131,9 +138,11 @@ 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;
@@ -174,6 +183,21 @@ void init_diff_ui_defaults(void)
diff_detect_rename_default = 1;
}
+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);
+ if (diff_indent_heuristic)
+ diff_compaction_heuristic = 0;
+ }
+ if (!strcmp(var, "diff.compactionheuristic")) {
+ diff_compaction_heuristic = git_config_bool(var, value);
+ if (diff_compaction_heuristic)
+ diff_indent_heuristic = 0;
+ }
+ return 0;
+}
+
int git_diff_ui_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
@@ -190,10 +214,6 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
diff_detect_rename_default = git_config_rename(var, value);
return 0;
}
- if (!strcmp(var, "diff.compactionheuristic")) {
- diff_compaction_heuristic = git_config_bool(var, value);
- return 0;
- }
if (!strcmp(var, "diff.autorefreshindex")) {
diff_auto_refresh_index = git_config_bool(var, value);
return 0;
@@ -234,6 +254,8 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (git_diff_heuristic_config(var, value, cb) < 0)
+ return -1;
if (git_color_config(var, value, cb) < 0)
return -1;
@@ -354,7 +376,6 @@ struct emit_callback {
const char **label_path;
struct diff_words_data *diff_words;
struct diff_options *opt;
- int *found_changesp;
struct strbuf *header;
};
@@ -722,7 +743,6 @@ static void emit_rewrite_diff(const char *name_a,
memset(&ecbdata, 0, sizeof(ecbdata));
ecbdata.color_diff = want_color(o->use_color);
- ecbdata.found_changesp = &o->found_changes;
ecbdata.ws_rule = whitespace_rule(name_b);
ecbdata.opt = o;
if (ecbdata.ws_rule & WS_BLANK_AT_EOF) {
@@ -951,7 +971,8 @@ static int find_word_boundaries(mmfile_t *buffer, regex_t *word_regex,
{
if (word_regex && *begin < buffer->size) {
regmatch_t match[1];
- if (!regexec(word_regex, buffer->ptr + *begin, 1, match, 0)) {
+ if (!regexec_buf(word_regex, buffer->ptr + *begin,
+ buffer->size - *begin, 1, match, 0)) {
char *p = memchr(buffer->ptr + *begin + match[0].rm_so,
'\n', match[0].rm_eo - match[0].rm_so);
*end = p ? p - buffer->ptr : match[0].rm_eo + *begin;
@@ -1216,12 +1237,13 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
struct diff_options *o = ecbdata->opt;
const char *line_prefix = diff_line_prefix(o);
+ o->found_changes = 1;
+
if (ecbdata->header) {
- fprintf(ecbdata->opt->file, "%s", ecbdata->header->buf);
+ fprintf(o->file, "%s", ecbdata->header->buf);
strbuf_reset(ecbdata->header);
ecbdata->header = NULL;
}
- *(ecbdata->found_changesp) = 1;
if (ecbdata->label_path[0]) {
const char *name_a_tab, *name_b_tab;
@@ -1229,9 +1251,9 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : "";
name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : "";
- fprintf(ecbdata->opt->file, "%s%s--- %s%s%s\n",
+ fprintf(o->file, "%s%s--- %s%s%s\n",
line_prefix, meta, ecbdata->label_path[0], reset, name_a_tab);
- fprintf(ecbdata->opt->file, "%s%s+++ %s%s%s\n",
+ fprintf(o->file, "%s%s+++ %s%s%s\n",
line_prefix, meta, ecbdata->label_path[1], reset, name_b_tab);
ecbdata->label_path[0] = ecbdata->label_path[1] = NULL;
}
@@ -1249,15 +1271,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
if (line[len-1] != '\n')
- putc('\n', ecbdata->opt->file);
- return;
- }
-
- if (len < 1) {
- emit_line(ecbdata->opt, reset, reset, line, len);
- if (ecbdata->diff_words
- && ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN)
- fputs("~\n", ecbdata->opt->file);
+ putc('\n', o->file);
return;
}
@@ -1282,8 +1296,8 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
}
diff_words_flush(ecbdata);
if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
- emit_line(ecbdata->opt, context, reset, line, len);
- fputs("~\n", ecbdata->opt->file);
+ emit_line(o, context, reset, line, len);
+ fputs("~\n", o->file);
} else {
/*
* Skip the prefix character, if any. With
@@ -1294,7 +1308,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
line++;
len--;
}
- emit_line(ecbdata->opt, context, reset, line, len);
+ emit_line(o, context, reset, line, len);
}
return;
}
@@ -1316,8 +1330,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
default:
/* incomplete line at the end */
ecbdata->lno_in_preimage++;
- emit_line(ecbdata->opt,
- diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
+ emit_line(o, diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
reset, line, len);
break;
}
@@ -1625,7 +1638,7 @@ 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 ?
@@ -1933,8 +1946,8 @@ static void show_dirstat(struct diff_options *options)
name = p->two->path ? p->two->path : p->one->path;
- if (p->one->sha1_valid && p->two->sha1_valid)
- content_changed = hashcmp(p->one->sha1, p->two->sha1);
+ if (p->one->oid_valid && p->two->oid_valid)
+ content_changed = oidcmp(&p->one->oid, &p->two->oid);
else
content_changed = 1;
@@ -2006,7 +2019,7 @@ 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);
}
@@ -2050,7 +2063,7 @@ 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);
}
@@ -2299,16 +2312,37 @@ 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))) {
+ diff_set_mnemonic_prefix(o, "a/", "b/");
+ if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
+ a_prefix = o->b_prefix;
+ b_prefix = o->a_prefix;
+ } else {
+ a_prefix = o->a_prefix;
+ b_prefix = o->b_prefix;
+ }
+
+ if (o->submodule_format == DIFF_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->sha1, two->sha1, two->dirty_submodule,
+ &one->oid, &two->oid,
+ two->dirty_submodule,
meta, del, add, reset);
return;
+ } else if (o->submodule_format == DIFF_SUBMODULE_INLINE_DIFF &&
+ (!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_inline_diff(o->file, one->path ? one->path : two->path,
+ line_prefix,
+ &one->oid, &two->oid,
+ two->dirty_submodule,
+ meta, del, add, reset, o);
+ return;
}
if (DIFF_OPT_TST(o, ALLOW_TEXTCONV)) {
@@ -2316,15 +2350,6 @@ static void builtin_diff(const char *name_a,
textconv_two = get_textconv(two);
}
- diff_set_mnemonic_prefix(o, "a/", "b/");
- if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
- a_prefix = o->b_prefix;
- b_prefix = o->a_prefix;
- } else {
- a_prefix = o->a_prefix;
- b_prefix = o->b_prefix;
- }
-
/* 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;
@@ -2384,7 +2409,7 @@ static void builtin_diff(const char *name_a,
if (!one->data && !two->data &&
S_ISREG(one->mode) && S_ISREG(two->mode) &&
!DIFF_OPT_TST(o, BINARY)) {
- if (!hashcmp(one->sha1, two->sha1)) {
+ if (!oidcmp(&one->oid, &two->oid)) {
if (must_show_header)
fprintf(o->file, "%s", header.buf);
goto free_ab_and_return;
@@ -2437,7 +2462,6 @@ static void builtin_diff(const char *name_a,
memset(&ecbdata, 0, sizeof(ecbdata));
ecbdata.label_path = lbl;
ecbdata.color_diff = want_color(o->use_color);
- ecbdata.found_changesp = &o->found_changes;
ecbdata.ws_rule = whitespace_rule(name_b);
if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
check_blank_at_eof(&mf1, &mf2, &ecbdata);
@@ -2505,7 +2529,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
return;
}
- same_contents = !hashcmp(one->sha1, two->sha1);
+ same_contents = !oidcmp(&one->oid, &two->oid);
if (diff_filespec_is_binary(one) || diff_filespec_is_binary(two)) {
data->is_binary = 1;
@@ -2638,8 +2662,8 @@ void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1,
{
if (mode) {
spec->mode = canon_mode(mode);
- hashcpy(spec->sha1, sha1);
- spec->sha1_valid = sha1_valid;
+ hashcpy(spec->oid.hash, sha1);
+ spec->oid_valid = sha1_valid;
}
}
@@ -2699,7 +2723,7 @@ 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 (hashcmp(sha1, ce->oid.hash) || !S_ISREG(ce->ce_mode))
return 0;
/*
@@ -2728,7 +2752,8 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only)
if (s->dirty_submodule)
dirty = "-dirty";
- strbuf_addf(&buf, "Subproject commit %s%s\n", sha1_to_hex(s->sha1), dirty);
+ strbuf_addf(&buf, "Subproject commit %s%s\n",
+ oid_to_hex(&s->oid), dirty);
s->size = buf.len;
if (size_only) {
s->data = NULL;
@@ -2771,8 +2796,8 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
if (S_ISGITLINK(s->mode))
return diff_populate_gitlink(s, size_only);
- if (!s->sha1_valid ||
- reuse_worktree_file(s->path, s->sha1, 0)) {
+ if (!s->oid_valid ||
+ reuse_worktree_file(s->path, s->oid.hash, 0)) {
struct strbuf buf = STRBUF_INIT;
struct stat st;
int fd;
@@ -2829,9 +2854,10 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
else {
enum object_type type;
if (size_only || (flags & CHECK_BINARY)) {
- type = sha1_object_info(s->sha1, &s->size);
+ type = sha1_object_info(s->oid.hash, &s->size);
if (type < 0)
- die("unable to read %s", sha1_to_hex(s->sha1));
+ die("unable to read %s",
+ oid_to_hex(&s->oid));
if (size_only)
return 0;
if (s->size > big_file_threshold && s->is_binary == -1) {
@@ -2839,9 +2865,9 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
return 0;
}
}
- s->data = read_sha1_file(s->sha1, &type, &s->size);
+ s->data = read_sha1_file(s->oid.hash, &type, &s->size);
if (!s->data)
- die("unable to read %s", sha1_to_hex(s->sha1));
+ die("unable to read %s", oid_to_hex(&s->oid));
s->should_free = 1;
}
return 0;
@@ -2870,7 +2896,7 @@ void diff_free_filespec_data(struct diff_filespec *s)
static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
void *blob,
unsigned long size,
- const unsigned char *sha1,
+ const struct object_id *oid,
int mode)
{
int fd;
@@ -2895,7 +2921,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
die_errno("unable to write temp-file");
close_tempfile(&temp->tempfile);
temp->name = get_tempfile_path(&temp->tempfile);
- sha1_to_hex_r(temp->hex, sha1);
+ oid_to_hex_r(temp->hex, oid);
xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
strbuf_release(&buf);
strbuf_release(&template);
@@ -2919,8 +2945,8 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
}
if (!S_ISGITLINK(one->mode) &&
- (!one->sha1_valid ||
- reuse_worktree_file(name, one->sha1, 1))) {
+ (!one->oid_valid ||
+ reuse_worktree_file(name, one->oid.hash, 1))) {
struct stat st;
if (lstat(name, &st) < 0) {
if (errno == ENOENT)
@@ -2932,19 +2958,19 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
if (strbuf_readlink(&sb, name, st.st_size) < 0)
die_errno("readlink(%s)", name);
prep_temp_blob(name, temp, sb.buf, sb.len,
- (one->sha1_valid ?
- one->sha1 : null_sha1),
- (one->sha1_valid ?
+ (one->oid_valid ?
+ &one->oid : &null_oid),
+ (one->oid_valid ?
one->mode : S_IFLNK));
strbuf_release(&sb);
}
else {
/* we can borrow from the file in the work tree */
temp->name = name;
- if (!one->sha1_valid)
+ if (!one->oid_valid)
sha1_to_hex_r(temp->hex, null_sha1);
else
- sha1_to_hex_r(temp->hex, one->sha1);
+ sha1_to_hex_r(temp->hex, one->oid.hash);
/* Even though we may sometimes borrow the
* contents from the work tree, we always want
* one->mode. mode is trustworthy even when
@@ -2959,7 +2985,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
if (diff_populate_filespec(one, 0))
die("cannot read data blob for %s", one->path);
prep_temp_blob(name, temp, one->data, one->size,
- one->sha1, one->mode);
+ &one->oid, one->mode);
}
return temp;
}
@@ -3072,7 +3098,7 @@ static void fill_metainfo(struct strbuf *msg,
default:
*must_show_header = 0;
}
- if (one && two && hashcmp(one->sha1, two->sha1)) {
+ if (one && two && oidcmp(&one->oid, &two->oid)) {
int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
if (DIFF_OPT_TST(o, BINARY)) {
@@ -3082,8 +3108,8 @@ static void fill_metainfo(struct strbuf *msg,
abbrev = 40;
}
strbuf_addf(msg, "%s%sindex %s..", line_prefix, set,
- find_unique_abbrev(one->sha1, abbrev));
- strbuf_addstr(msg, find_unique_abbrev(two->sha1, abbrev));
+ find_unique_abbrev(one->oid.hash, abbrev));
+ strbuf_add_unique_abbrev(msg, two->oid.hash, abbrev);
if (one->mode == two->mode)
strbuf_addf(msg, " %06o", one->mode);
strbuf_addf(msg, "%s\n", reset);
@@ -3138,20 +3164,20 @@ static void run_diff_cmd(const char *pgm,
static void diff_fill_sha1_info(struct diff_filespec *one)
{
if (DIFF_FILE_VALID(one)) {
- if (!one->sha1_valid) {
+ if (!one->oid_valid) {
struct stat st;
if (one->is_stdin) {
- hashcpy(one->sha1, null_sha1);
+ oidclr(&one->oid);
return;
}
if (lstat(one->path, &st) < 0)
die_errno("stat '%s'", one->path);
- if (index_path(one->sha1, one->path, &st, 0))
+ if (index_path(one->oid.hash, one->path, &st, 0))
die("cannot hash %s", one->path);
}
}
else
- hashclr(one->sha1);
+ oidclr(&one->oid);
}
static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
@@ -3290,7 +3316,9 @@ 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)
+ if (diff_indent_heuristic)
+ DIFF_XDL_SET(options, INDENT_HEURISTIC);
+ else if (diff_compaction_heuristic)
DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
options->orderfile = diff_order_file_cfg;
@@ -3319,7 +3347,7 @@ void diff_setup_done(struct diff_options *options)
if (options->output_format & DIFF_FORMAT_NO_OUTPUT)
count++;
if (count > 1)
- die("--name-only, --name-status, --check and -s are mutually exclusive");
+ die(_("--name-only, --name-status, --check and -s are mutually exclusive"));
/*
* Most of the time we can say "there are changes"
@@ -3515,7 +3543,7 @@ 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;
@@ -3524,7 +3552,7 @@ 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;
@@ -3533,7 +3561,7 @@ 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;
@@ -3542,7 +3570,7 @@ 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;
@@ -3812,9 +3840,15 @@ int diff_opt_parse(struct diff_options *options,
DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
else if (!strcmp(arg, "--ignore-blank-lines"))
DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
- else if (!strcmp(arg, "--compaction-heuristic"))
+ else if (!strcmp(arg, "--indent-heuristic")) {
+ DIFF_XDL_SET(options, INDENT_HEURISTIC);
+ DIFF_XDL_CLR(options, COMPACTION_HEURISTIC);
+ } else if (!strcmp(arg, "--no-indent-heuristic"))
+ DIFF_XDL_CLR(options, INDENT_HEURISTIC);
+ else if (!strcmp(arg, "--compaction-heuristic")) {
DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
- else if (!strcmp(arg, "--no-compaction-heuristic"))
+ DIFF_XDL_CLR(options, INDENT_HEURISTIC);
+ } else if (!strcmp(arg, "--no-compaction-heuristic"))
DIFF_XDL_CLR(options, COMPACTION_HEURISTIC);
else if (!strcmp(arg, "--patience"))
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
@@ -3912,7 +3946,7 @@ int diff_opt_parse(struct diff_options *options,
DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
handle_ignore_submodules_arg(options, arg);
} else if (!strcmp(arg, "--submodule"))
- DIFF_OPT_SET(options, SUBMODULE_LOG);
+ options->submodule_format = DIFF_SUBMODULE_LOG;
else if (skip_prefix(arg, "--submodule=", &arg))
return parse_submodule_opt(options, arg);
else if (skip_prefix(arg, "--ws-error-highlight=", &arg))
@@ -3963,6 +3997,12 @@ 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;
@@ -3984,6 +4024,8 @@ int diff_opt_parse(struct diff_options *options,
if (!options->file)
die_errno("Could not open '%s'", path);
options->close_file = 1;
+ if (options->use_color != GIT_COLOR_ALWAYS)
+ options->use_color = GIT_COLOR_NEVER;
return argcount;
} else
return 0;
@@ -4125,8 +4167,9 @@ 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->sha1, opt->abbrev));
- fprintf(opt->file, "%s ", diff_unique_abbrev(p->two->sha1, opt->abbrev));
+ diff_unique_abbrev(p->one->oid.hash, opt->abbrev));
+ fprintf(opt->file, "%s ",
+ diff_unique_abbrev(p->two->oid.hash, opt->abbrev));
}
if (p->score) {
fprintf(opt->file, "%c%03d%c", p->status, similarity_index(p),
@@ -4175,11 +4218,11 @@ int diff_unmodified_pair(struct diff_filepair *p)
/* both are valid and point at the same path. that is, we are
* dealing with a change.
*/
- if (one->sha1_valid && two->sha1_valid &&
- !hashcmp(one->sha1, two->sha1) &&
+ if (one->oid_valid && two->oid_valid &&
+ !oidcmp(&one->oid, &two->oid) &&
!one->dirty_submodule && !two->dirty_submodule)
return 1; /* no change */
- if (!one->sha1_valid && !two->sha1_valid)
+ if (!one->oid_valid && !two->oid_valid)
return 1; /* both look at the same file on the filesystem. */
return 0;
}
@@ -4240,7 +4283,7 @@ void diff_debug_filespec(struct diff_filespec *s, int x, const char *one)
s->path,
DIFF_FILE_VALID(s) ? "valid" : "invalid",
s->mode,
- s->sha1_valid ? sha1_to_hex(s->sha1) : "");
+ s->oid_valid ? oid_to_hex(&s->oid) : "");
fprintf(stderr, "queue[%d] %s size %lu\n",
x, one ? one : "",
s->size);
@@ -4310,11 +4353,11 @@ static void diff_resolve_rename_copy(void)
else
p->status = DIFF_STATUS_RENAMED;
}
- else if (hashcmp(p->one->sha1, p->two->sha1) ||
+ else if (oidcmp(&p->one->oid, &p->two->oid) ||
p->one->mode != p->two->mode ||
p->one->dirty_submodule ||
p->two->dirty_submodule ||
- is_null_sha1(p->one->sha1))
+ is_null_oid(&p->one->oid))
p->status = DIFF_STATUS_MODIFIED;
else {
/* This is a "no-change" entry and should not
@@ -4456,7 +4499,7 @@ static void patch_id_consume(void *priv, char *line, unsigned long len)
}
/* returns 0 upon success, and writes result into sha1 */
-static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1)
+static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
@@ -4491,9 +4534,6 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1)
diff_fill_sha1_info(p->one);
diff_fill_sha1_info(p->two);
- if (fill_mmfile(&mf1, p->one) < 0 ||
- fill_mmfile(&mf2, p->two) < 0)
- return error("unable to read files to diff");
len1 = remove_space(p->one->path, strlen(p->one->path));
len2 = remove_space(p->two->path, strlen(p->two->path));
@@ -4528,10 +4568,19 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1)
len2, p->two->path);
git_SHA1_Update(&ctx, buffer, len1);
+ if (diff_header_only)
+ continue;
+
+ if (fill_mmfile(&mf1, p->one) < 0 ||
+ fill_mmfile(&mf2, p->two) < 0)
+ return error("unable to read files to diff");
+
if (diff_filespec_is_binary(p->one) ||
diff_filespec_is_binary(p->two)) {
- git_SHA1_Update(&ctx, sha1_to_hex(p->one->sha1), 40);
- git_SHA1_Update(&ctx, sha1_to_hex(p->two->sha1), 40);
+ git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid),
+ 40);
+ git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid),
+ 40);
continue;
}
@@ -4548,11 +4597,11 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1)
return 0;
}
-int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1)
+int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
- int result = diff_get_patch_id(options, sha1);
+ int result = diff_get_patch_id(options, sha1, diff_header_only);
for (i = 0; i < q->nr; i++)
diff_free_filepair(q->queue[i]);
@@ -4823,7 +4872,7 @@ static int diff_filespec_check_stat_unmatch(struct diff_filepair *p)
*/
if (!DIFF_FILE_VALID(p->one) || /* (1) */
!DIFF_FILE_VALID(p->two) ||
- (p->one->sha1_valid && p->two->sha1_valid) ||
+ (p->one->oid_valid && p->two->oid_valid) ||
(p->one->mode != p->two->mode) ||
diff_populate_filespec(p->one, CHECK_SIZE_ONLY) ||
diff_populate_filespec(p->two, CHECK_SIZE_ONLY) ||
@@ -4874,7 +4923,7 @@ 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)
@@ -5119,8 +5168,9 @@ size_t fill_textconv(struct userdiff_driver *driver,
if (!driver->textconv)
die("BUG: fill_textconv called with non-textconv driver");
- if (driver->textconv_cache && df->sha1_valid) {
- *outbuf = notes_cache_get(driver->textconv_cache, df->sha1,
+ if (driver->textconv_cache && df->oid_valid) {
+ *outbuf = notes_cache_get(driver->textconv_cache,
+ df->oid.hash,
&size);
if (*outbuf)
return size;
@@ -5130,9 +5180,9 @@ size_t fill_textconv(struct userdiff_driver *driver,
if (!*outbuf)
die("unable to read files to diff");
- if (driver->textconv_cache && df->sha1_valid) {
+ if (driver->textconv_cache && df->oid_valid) {
/* ignore errors, as we might be in a readonly repository */
- notes_cache_put(driver->textconv_cache, df->sha1, *outbuf,
+ notes_cache_put(driver->textconv_cache, df->oid.hash, *outbuf,
size);
/*
* we could save up changes and flush them all at the end,