log: add log.mailmap configuration option

Teach "log.mailmap" configuration variable to turn "--use-mailmap"
option on to "git log", "git show" and "git whatchanged".

The "--no-use-mailmap" option from the command line can countermand
the setting.

Signed-off-by: Antoine Pelisse <apelisse@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index bf8f911e1ffe7820a8e903ec669c690d39612150..226362a0ea48e389f66f55ae3c14031c9c1654cc 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1509,6 +1509,10 @@ log.showroot::
        Tools like linkgit:git-log[1] or linkgit:git-whatchanged[1], which
        normally hide the root commit will now show it. True by default.
 
+log.mailmap::
+       If true, makes linkgit:git-log[1], linkgit:git-show[1], and
+       linkgit:git-whatchanged[1] assume `--use-mailmap`.
+
 mailmap.file::
        The location of an augmenting mailmap file. The default
        mailmap, located in the root of the repository, is loaded

diff --git a/builtin/log.c b/builtin/log.c
index d2bd8cea78d63b49bad34ee3396b1f85c7fada5f..16e6520a5d40f1837d850956f899bb5ef5a4c46d 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -31,6 +31,7 @@ static int default_abbrev_commit;
 static int default_show_root = 1;
 static int decoration_style;
 static int decoration_given;
+static int use_mailmap_config;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
@@ -106,6 +107,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
                OPT_END()
        };
 
+       mailmap = use_mailmap_config;
        argc = parse_options(argc, argv, prefix,
                             builtin_log_options, builtin_log_usage,
                             PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
@@ -358,6 +360,11 @@ static int git_log_config(const char *var, const char *value, void *cb)
        }
        if (!prefixcmp(var, "color.decorate."))
                return parse_decorate_color_config(var, 15, value);
+       if (!strcmp(var, "log.mailmap")) {
+               use_mailmap_config = git_config_bool(var, value);
+               return 0;
+       }
+
        if (grep_config(var, value, cb) < 0)
                return -1;
        return git_diff_ui_config(var, value, cb);

diff --git a/t/t4203-mailmap.sh b/t/t4203-mailmap.sh
index e16187fd17814b868ac0e22afd52e591daa7a349..7d4d31c830cbdf1bb300f563863c61494a783989 100755 (executable)
--- a/t/t4203-mailmap.sh
+++ b/t/t4203-mailmap.sh
@@ -254,6 +254,21 @@ test_expect_success 'Log output with --use-mailmap' '
        test_cmp expect actual
 '
 
+cat >expect <<\EOF
+Author: CTO <cto@company.xx>
+Author: Santa Claus <santa.claus@northpole.xx>
+Author: Santa Claus <santa.claus@northpole.xx>
+Author: Other Author <other@author.xx>
+Author: Other Author <other@author.xx>
+Author: Some Dude <some@dude.xx>
+Author: A U Thor <author@example.com>
+EOF
+
+test_expect_success 'Log output with log.mailmap' '
+       git -c log.mailmap=True log | grep Author >actual &&
+       test_cmp expect actual
+'
+
 cat >expect <<\EOF
 Author: Santa Claus <santa.claus@northpole.xx>
 Author: Santa Claus <santa.claus@northpole.xx>
@@ -263,6 +278,15 @@ test_expect_success 'Grep author with --use-mailmap' '
        git log --use-mailmap --author Santa | grep Author >actual &&
        test_cmp expect actual
 '
+cat >expect <<\EOF
+Author: Santa Claus <santa.claus@northpole.xx>
+Author: Santa Claus <santa.claus@northpole.xx>
+EOF
+
+test_expect_success 'Grep author with log.mailmap' '
+       git -c log.mailmap=True log --author Santa | grep Author >actual &&
+       test_cmp expect actual
+'
 
 >expect