Merge branch 'jk/maint-upload-pack-shallow'
[gitweb.git] / builtin / blame.c
index f5fccc1f6767d7386e37f7273c560d0d4491ee91..463978817871b534dcdfb3c5c630ccd731d9733a 100644 (file)
@@ -41,6 +41,7 @@ static int reverse;
 static int blank_boundary;
 static int incremental;
 static int xdl_opts;
+static int abbrev = -1;
 
 static enum date_mode blame_date_mode = DATE_ISO8601;
 static size_t blame_date_width;
@@ -1312,8 +1313,7 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt)
 /*
  * Information on commits, used for output.
  */
-struct commit_info
-{
+struct commit_info {
        const char *author;
        const char *author_mail;
        unsigned long author_time;
@@ -1617,6 +1617,7 @@ static const char *format_time(unsigned long time, const char *tz_str,
 #define OUTPUT_SHOW_NUMBER     040
 #define OUTPUT_SHOW_SCORE      0100
 #define OUTPUT_NO_AUTHOR       0200
+#define OUTPUT_SHOW_EMAIL      0400
 
 static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent)
 {
@@ -1670,7 +1671,7 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
        cp = nth_line(sb, ent->lno);
        for (cnt = 0; cnt < ent->num_lines; cnt++) {
                char ch;
-               int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : 8;
+               int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : abbrev;
 
                if (suspect->commit->object.flags & UNINTERESTING) {
                        if (blank_boundary)
@@ -1682,12 +1683,17 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
                }
 
                printf("%.*s", length, hex);
-               if (opt & OUTPUT_ANNOTATE_COMPAT)
-                       printf("\t(%10s\t%10s\t%d)", ci.author,
+               if (opt & OUTPUT_ANNOTATE_COMPAT) {
+                       const char *name;
+                       if (opt & OUTPUT_SHOW_EMAIL)
+                               name = ci.author_mail;
+                       else
+                               name = ci.author;
+                       printf("\t(%10s\t%10s\t%d)", name,
                               format_time(ci.author_time, ci.author_tz,
                                           show_raw_time),
                               ent->lno + 1 + cnt);
-               else {
+               else {
                        if (opt & OUTPUT_SHOW_SCORE)
                                printf(" %*d %02d",
                                       max_score_digits, ent->score,
@@ -1700,9 +1706,15 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
                                       ent->s_lno + 1 + cnt);
 
                        if (!(opt & OUTPUT_NO_AUTHOR)) {
-                               int pad = longest_author - utf8_strwidth(ci.author);
+                               const char *name;
+                               int pad;
+                               if (opt & OUTPUT_SHOW_EMAIL)
+                                       name = ci.author_mail;
+                               else
+                                       name = ci.author;
+                               pad = longest_author - utf8_strwidth(name);
                                printf(" (%s%*s %10s",
-                                      ci.author, pad, "",
+                                      name, pad, "",
                                       format_time(ci.author_time,
                                                   ci.author_tz,
                                                   show_raw_time));
@@ -1840,7 +1852,10 @@ static void find_alignment(struct scoreboard *sb, int *option)
                if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
                        suspect->commit->object.flags |= METAINFO_SHOWN;
                        get_commit_info(suspect->commit, &ci, 1);
-                       num = utf8_strwidth(ci.author);
+                       if (*option & OUTPUT_SHOW_EMAIL)
+                               num = utf8_strwidth(ci.author_mail);
+                       else
+                               num = utf8_strwidth(ci.author);
                        if (longest_author < num)
                                longest_author = num;
                }
@@ -2289,12 +2304,14 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                OPT_BIT('t', NULL, &output_option, "Show raw timestamp (Default: off)", OUTPUT_RAW_TIMESTAMP),
                OPT_BIT('l', NULL, &output_option, "Show long commit SHA1 (Default: off)", OUTPUT_LONG_OBJECT_NAME),
                OPT_BIT('s', NULL, &output_option, "Suppress author name and timestamp (Default: off)", OUTPUT_NO_AUTHOR),
+               OPT_BIT('e', "show-email", &output_option, "Show author email instead of name (Default: off)", OUTPUT_SHOW_EMAIL),
                OPT_BIT('w', NULL, &xdl_opts, "Ignore whitespace differences", XDF_IGNORE_WHITESPACE),
                OPT_STRING('S', NULL, &revs_file, "file", "Use revisions from <file> instead of calling git-rev-list"),
                OPT_STRING(0, "contents", &contents_from, "file", "Use <file>'s contents as the final image"),
                { OPTION_CALLBACK, 'C', NULL, &opt, "score", "Find line copies within and across files", PARSE_OPT_OPTARG, blame_copy_callback },
                { OPTION_CALLBACK, 'M', NULL, &opt, "score", "Find line movements within and across files", PARSE_OPT_OPTARG, blame_move_callback },
                OPT_CALLBACK('L', NULL, &bottomtop, "n,m", "Process only line range n,m, counting from 1", blame_bottomtop_callback),
+               OPT__ABBREV(&abbrev),
                OPT_END()
        };
 
@@ -2309,8 +2326,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        save_commit_buffer = 0;
        dashdash_pos = 0;
 
-       parse_options_start(&ctx, argc, argv, prefix, PARSE_OPT_KEEP_DASHDASH |
-                           PARSE_OPT_KEEP_ARGV0);
+       parse_options_start(&ctx, argc, argv, prefix, options,
+                           PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
        for (;;) {
                switch (parse_options_step(&ctx, options, blame_opt_usage)) {
                case PARSE_OPT_HELP:
@@ -2330,6 +2347,11 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 parse_done:
        argc = parse_options_end(&ctx);
 
+       if (abbrev == -1)
+               abbrev = default_abbrev;
+       /* one more abbrev length is needed for the boundary commit */
+       abbrev++;
+
        if (revs_file && read_ancestry(revs_file))
                die_errno("reading graft file '%s' failed", revs_file);