shortlog: do not require to run from inside a git repository

Once upon a time shortlog could be run from a non-git directory
and still do its job. Fix this regression and add a small test
for it.

Signed-off-by: Jonas Fonseca <fonseca@diku.dk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-shortlog.c b/builtin-shortlog.c
index b22b0edd65eefacabb648962b9c20c695609a3f5..bd795b1db7a4054a0218d1ec96794ad25d656896 100644 (file)
--- a/builtin-shortlog.c
+++ b/builtin-shortlog.c
@@ -229,7 +229,9 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
 {
        struct shortlog log;
        struct rev_info rev;
+       int nongit;
 
+       prefix = setup_git_directory_gently(&nongit);
        shortlog_init(&log);
 
        /* since -n is a shadowed rev argument, parse our args first */
@@ -259,7 +261,7 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
                die ("unrecognized argument: %s", argv[1]);
 
        /* assume HEAD if from a tty */
-       if (!rev.pending.nr && isatty(0))
+       if (!nongit && !rev.pending.nr && isatty(0))
                add_head_to_pending(&rev);
        if (rev.pending.nr == 0) {
                read_from_stdin(&log);

diff --git a/git.c b/git.c
index 1e3eb1065fe3fe52361c2feaeadfab85780877ee..13de8018f0451c1e36d8fbc8f8c10233d2b45be9 100644 (file)
--- a/git.c
+++ b/git.c
@@ -343,7 +343,7 @@ static void handle_internal_command(int argc, const char **argv)
                { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
                { "rm", cmd_rm, RUN_SETUP },
                { "send-pack", cmd_send_pack, RUN_SETUP },
-               { "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER },
+               { "shortlog", cmd_shortlog, USE_PAGER },
                { "show-branch", cmd_show_branch, RUN_SETUP },
                { "show", cmd_show, RUN_SETUP | USE_PAGER },
                { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },

diff --git a/t/t4201-shortlog.sh b/t/t4201-shortlog.sh
index 6d12efb74d8bedede8e476429b2fccd648eb05a3..eef4cafda99729977af9bee2eca83493814faede 100755 (executable)
--- a/t/t4201-shortlog.sh
+++ b/t/t4201-shortlog.sh
@@ -47,4 +47,9 @@ EOF
 
 test_expect_success 'shortlog wrapping' 'diff -u expect out'
 
+git log HEAD > log
+GIT_DIR=non-existing git shortlog -w < log > out
+
+test_expect_success 'shortlog from non-git directory' 'diff -u expect out'
+
 test_done