shortlog: group by committer information

In some situations you may want to group the commits not by author,
but by committer instead.

For example, when I just wanted to look up what I'm still missing from
linux-next in the current merge window, I don't care so much about who
wrote a patch, as what git tree it came from, which generally boils
down to "who committed it".

So make git shortlog take a "-c" or "--committer" option to switch
grouping to that.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/shortlog.c b/builtin/shortlog.c
index ba0e115..c9585d4 100644 (file)
--- a/builtin/shortlog.c
+++ b/builtin/shortlog.c
@@ -117,11 +117,15 @@ static void read_from_stdin(struct shortlog *log)
 {
        struct strbuf author = STRBUF_INIT;
        struct strbuf oneline = STRBUF_INIT;
 {
        struct strbuf author = STRBUF_INIT;
        struct strbuf oneline = STRBUF_INIT;

+       static const char *author_match[2] = { "Author: ", "author " };
+       static const char *committer_match[2] = { "Commit: ", "committer " };
+       const char **match;

 
 

+       match = log->committer ? committer_match : author_match;

        while (strbuf_getline_lf(&author, stdin) != EOF) {
                const char *v;
        while (strbuf_getline_lf(&author, stdin) != EOF) {
                const char *v;

-               if (!skip_prefix(author.buf, "Author: ", &v) &&
-                   !skip_prefix(author.buf, "author ", &v))
+               if (!skip_prefix(author.buf, match[0], &v) &&
+                   !skip_prefix(author.buf, match[1], &v))

                        continue;
                while (strbuf_getline_lf(&oneline, stdin) != EOF &&
                       oneline.len)
                        continue;
                while (strbuf_getline_lf(&oneline, stdin) != EOF &&
                       oneline.len)


@@ -140,6 +144,7 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit)
        struct strbuf author = STRBUF_INIT;
        struct strbuf oneline = STRBUF_INIT;
        struct pretty_print_context ctx = {0};
        struct strbuf author = STRBUF_INIT;
        struct strbuf oneline = STRBUF_INIT;
        struct pretty_print_context ctx = {0};

+       const char *fmt;

 
        ctx.fmt = CMIT_FMT_USERFORMAT;
        ctx.abbrev = log->abbrev;
 
        ctx.fmt = CMIT_FMT_USERFORMAT;
        ctx.abbrev = log->abbrev;


@@ -148,7 +153,9 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit)
        ctx.date_mode.type = DATE_NORMAL;
        ctx.output_encoding = get_log_output_encoding();
 
        ctx.date_mode.type = DATE_NORMAL;
        ctx.output_encoding = get_log_output_encoding();
 

-       format_commit_message(commit, "%an <%ae>", &author, &ctx);
+       fmt = log->committer ? "%cn <%ce>" : "%an <%ae>";
+
+       format_commit_message(commit, fmt, &author, &ctx);

        if (!log->summary) {
                if (log->user_format)
                        pretty_print_commit(&ctx, commit, &oneline);
        if (!log->summary) {
                if (log->user_format)
                        pretty_print_commit(&ctx, commit, &oneline);


@@ -238,6 +245,8 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
        int nongit = !startup_info->have_repository;
 
        const struct option options[] = {
        int nongit = !startup_info->have_repository;
 
        const struct option options[] = {

+               OPT_BOOL('c', "committer", &log.committer,
+                        N_("Group by committer rather than author")),

                OPT_BOOL('n', "numbered", &log.sort_by_number,
                         N_("sort output according to the number of commits per author")),
                OPT_BOOL('s', "summary", &log.summary,
                OPT_BOOL('n', "numbered", &log.sort_by_number,
                         N_("sort output according to the number of commits per author")),
                OPT_BOOL('s', "summary", &log.summary,

diff --git a/shortlog.h b/shortlog.h
index 5a326c6..5d64cfe 100644 (file)
--- a/shortlog.h
+++ b/shortlog.h
@@ -13,6 +13,7 @@ struct shortlog {
        int in2;
        int user_format;
        int abbrev;
        int in2;
        int user_format;
        int abbrev;

+       int committer;

 
        char *common_repo_prefix;
        int email;
 
        char *common_repo_prefix;
        int email;