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Diffstat (limited to 'builtin/blame.c')
-rw-r--r--builtin/blame.c152
1 files changed, 141 insertions, 11 deletions
diff --git a/builtin/blame.c b/builtin/blame.c
index 005f55aaa2..4202584f97 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -7,6 +7,7 @@
#include "cache.h"
#include "config.h"
+#include "color.h"
#include "builtin.h"
#include "commit.h"
#include "diff.h"
@@ -23,6 +24,7 @@
#include "dir.h"
#include "progress.h"
#include "blame.h"
+#include "string-list.h"
static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
@@ -46,6 +48,8 @@ static int xdl_opts;
static int abbrev = -1;
static int no_whole_file_rename;
static int show_progress;
+static char repeated_meta_color[COLOR_MAXLEN];
+static int coloring_mode;
static struct date_mode blame_date_mode = { DATE_ISO8601 };
static size_t blame_date_width;
@@ -316,10 +320,12 @@ static const char *format_time(timestamp_t time, const char *tz_str,
#define OUTPUT_PORCELAIN 010
#define OUTPUT_SHOW_NAME 020
#define OUTPUT_SHOW_NUMBER 040
-#define OUTPUT_SHOW_SCORE 0100
-#define OUTPUT_NO_AUTHOR 0200
+#define OUTPUT_SHOW_SCORE 0100
+#define OUTPUT_NO_AUTHOR 0200
#define OUTPUT_SHOW_EMAIL 0400
-#define OUTPUT_LINE_PORCELAIN 01000
+#define OUTPUT_LINE_PORCELAIN 01000
+#define OUTPUT_COLOR_LINE 02000
+#define OUTPUT_SHOW_AGE_WITH_COLOR 04000
static void emit_porcelain_details(struct blame_origin *suspect, int repeat)
{
@@ -367,6 +373,63 @@ static void emit_porcelain(struct blame_scoreboard *sb, struct blame_entry *ent,
putchar('\n');
}
+static struct color_field {
+ timestamp_t hop;
+ char col[COLOR_MAXLEN];
+} *colorfield;
+static int colorfield_nr, colorfield_alloc;
+
+static void parse_color_fields(const char *s)
+{
+ struct string_list l = STRING_LIST_INIT_DUP;
+ struct string_list_item *item;
+ enum { EXPECT_DATE, EXPECT_COLOR } next = EXPECT_COLOR;
+
+ colorfield_nr = 0;
+
+ /* Ideally this would be stripped and split at the same time? */
+ string_list_split(&l, s, ',', -1);
+ ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc);
+
+ for_each_string_list_item(item, &l) {
+ switch (next) {
+ case EXPECT_DATE:
+ colorfield[colorfield_nr].hop = approxidate(item->string);
+ next = EXPECT_COLOR;
+ colorfield_nr++;
+ ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc);
+ break;
+ case EXPECT_COLOR:
+ if (color_parse(item->string, colorfield[colorfield_nr].col))
+ die(_("expecting a color: %s"), item->string);
+ next = EXPECT_DATE;
+ break;
+ }
+ }
+
+ if (next == EXPECT_COLOR)
+ die (_("must end with a color"));
+
+ colorfield[colorfield_nr].hop = TIME_MAX;
+}
+
+static void setup_default_color_by_age(void)
+{
+ parse_color_fields("blue,12 month ago,white,1 month ago,red");
+}
+
+static void determine_line_heat(struct blame_entry *ent, const char **dest_color)
+{
+ int i = 0;
+ struct commit_info ci;
+ get_commit_info(ent->suspect->commit, &ci, 1);
+
+ while (i < colorfield_nr && ci.author_time > colorfield[i].hop)
+ i++;
+
+ *dest_color = colorfield[i].col;
+}
+
static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int opt)
{
int cnt;
@@ -375,15 +438,35 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
struct commit_info ci;
char hex[GIT_MAX_HEXSZ + 1];
int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP);
+ const char *default_color = NULL, *color = NULL, *reset = NULL;
get_commit_info(suspect->commit, &ci, 1);
oid_to_hex_r(hex, &suspect->commit->object.oid);
cp = blame_nth_line(sb, ent->lno);
+
+ if (opt & OUTPUT_SHOW_AGE_WITH_COLOR) {
+ determine_line_heat(ent, &default_color);
+ color = default_color;
+ reset = GIT_COLOR_RESET;
+ }
+
for (cnt = 0; cnt < ent->num_lines; cnt++) {
char ch;
int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev;
+ if (opt & OUTPUT_COLOR_LINE) {
+ if (cnt > 0) {
+ color = repeated_meta_color;
+ reset = GIT_COLOR_RESET;
+ } else {
+ color = default_color ? default_color : NULL;
+ reset = default_color ? GIT_COLOR_RESET : NULL;
+ }
+ }
+ if (color)
+ fputs(color, stdout);
+
if (suspect->commit->object.flags & UNINTERESTING) {
if (blank_boundary)
memset(hex, ' ', length);
@@ -433,6 +516,8 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
printf(" %*d) ",
max_digits, ent->lno + 1 + cnt);
}
+ if (reset)
+ fputs(reset, stdout);
do {
ch = *cp++;
putchar(ch);
@@ -499,7 +584,7 @@ static int read_ancestry(const char *graft_file)
static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect)
{
- const char *uniq = find_unique_abbrev(suspect->commit->object.oid.hash,
+ const char *uniq = find_unique_abbrev(&suspect->commit->object.oid,
auto_abbrev);
int len = strlen(uniq);
if (auto_abbrev < len)
@@ -607,6 +692,30 @@ static int git_blame_config(const char *var, const char *value, void *cb)
parse_date_format(value, &blame_date_mode);
return 0;
}
+ if (!strcmp(var, "color.blame.repeatedlines")) {
+ if (color_parse_mem(value, strlen(value), repeated_meta_color))
+ warning(_("invalid color '%s' in color.blame.repeatedLines"),
+ value);
+ return 0;
+ }
+ if (!strcmp(var, "color.blame.highlightrecent")) {
+ parse_color_fields(value);
+ return 0;
+ }
+
+ if (!strcmp(var, "blame.coloring")) {
+ if (!strcmp(value, "repeatedLines")) {
+ coloring_mode |= OUTPUT_COLOR_LINE;
+ } else if (!strcmp(value, "highlightRecent")) {
+ coloring_mode |= OUTPUT_SHOW_AGE_WITH_COLOR;
+ } else if (!strcmp(value, "none")) {
+ coloring_mode &= ~(OUTPUT_COLOR_LINE |
+ OUTPUT_SHOW_AGE_WITH_COLOR);
+ } else {
+ warning(_("invalid value for blame.coloring"));
+ return 0;
+ }
+ }
if (git_diff_heuristic_config(var, value, cb) < 0)
return -1;
@@ -649,6 +758,15 @@ static int blame_move_callback(const struct option *option, const char *arg, int
return 0;
}
+static int is_a_rev(const char *name)
+{
+ struct object_id oid;
+
+ if (get_oid(name, &oid))
+ return 0;
+ return OBJ_NONE < oid_object_info(the_repository, &oid, NULL);
+}
+
int cmd_blame(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
@@ -681,6 +799,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
+ OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE),
+ OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR),
/*
* The following two options are parsed by parse_revision_opt()
@@ -705,6 +825,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
unsigned int range_i;
long anchor;
+ setup_default_color_by_age();
git_config(git_blame_config, &output_option);
init_revisions(&revs, NULL);
revs.date_mode = blame_date_mode;
@@ -720,6 +841,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
for (;;) {
switch (parse_options_step(&ctx, options, blame_opt_usage)) {
case PARSE_OPT_HELP:
+ case PARSE_OPT_ERROR:
exit(129);
case PARSE_OPT_DONE:
if (ctx.argv[0])
@@ -845,16 +967,15 @@ parse_done:
} else {
if (argc < 2)
usage_with_options(blame_opt_usage, options);
- path = add_prefix(prefix, argv[argc - 1]);
- if (argc == 3 && !file_exists(path)) { /* (2b) */
+ if (argc == 3 && is_a_rev(argv[argc - 1])) { /* (2b) */
path = add_prefix(prefix, argv[1]);
argv[1] = argv[2];
+ } else { /* (2a) */
+ if (argc == 2 && is_a_rev(argv[1]) && !get_git_work_tree())
+ die("missing <path> to blame");
+ path = add_prefix(prefix, argv[argc - 1]);
}
argv[argc - 1] = "--";
-
- setup_work_tree();
- if (!file_exists(path))
- die_errno("cannot stat path '%s'", path);
}
revs.disable_stdin = 1;
@@ -940,8 +1061,17 @@ parse_done:
blame_coalesce(&sb);
- if (!(output_option & OUTPUT_PORCELAIN))
+ if (!(output_option & (OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR)))
+ output_option |= coloring_mode;
+
+ if (!(output_option & OUTPUT_PORCELAIN)) {
find_alignment(&sb, &output_option);
+ if (!*repeated_meta_color &&
+ (output_option & OUTPUT_COLOR_LINE))
+ strcpy(repeated_meta_color, GIT_COLOR_CYAN);
+ }
+ if (output_option & OUTPUT_ANNOTATE_COMPAT)
+ output_option &= ~(OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR);
output(&sb, output_option);
free((void *)sb.final_buf);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 10:04:47 +0000