diff options
| -rw-r--r-- | Documentation/user-manual.txt | 2 | ||||
| -rw-r--r-- | builtin/checkout.c | 10 | ||||
| -rwxr-xr-x | t/t2020-checkout-detach.sh | 123 |
3 files changed, 132 insertions, 3 deletions
diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 497e82e..eff7890 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -319,7 +319,7 @@ do so (now or later) by using -b with the checkout command again. Example: git checkout -b new_branch_name -HEAD is now at 427abfa... Linux v2.6.17 +HEAD is now at 427abfa Linux v2.6.17 ------------------------------------------------ The HEAD then refers to the SHA-1 of the commit instead of to a branch, diff --git a/builtin/checkout.c b/builtin/checkout.c index 6c2b4cd..6a6f5bc 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -400,10 +400,16 @@ static void show_local_changes(struct object *head, static void describe_detached_head(const char *msg, struct commit *commit) { struct strbuf sb = STRBUF_INIT; + if (!parse_commit(commit)) pp_commit_easy(CMIT_FMT_ONELINE, commit, &sb); - fprintf(stderr, "%s %s... %s\n", msg, - find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf); + if (print_sha1_ellipsis()) { + fprintf(stderr, "%s %s... %s\n", msg, + find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf); + } else { + fprintf(stderr, "%s %s %s\n", msg, + find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf); + } strbuf_release(&sb); } diff --git a/t/t2020-checkout-detach.sh b/t/t2020-checkout-detach.sh index fbb4ee9..9464069 100755 --- a/t/t2020-checkout-detach.sh +++ b/t/t2020-checkout-detach.sh @@ -186,4 +186,127 @@ test_expect_success 'no advice given for explicit detached head state' ' test_cmp expect.no-advice actual ' +# Detached HEAD tests for GIT_PRINT_SHA1_ELLIPSIS (new format) +test_expect_success 'describe_detached_head prints no SHA-1 ellipsis when not asked to' " + + # The first detach operation is more chatty than the following ones. + cat >1st_detach <<-'EOF' && + Note: checking out 'HEAD^'. + + You are in 'detached HEAD' state. You can look around, make experimental + changes and commit them, and you can discard any commits you make in this + state without impacting any branches by performing another checkout. + + If you want to create a new branch to retain commits you create, you may + do so (now or later) by using -b with the checkout command again. Example: + + git checkout -b <new-branch-name> + + HEAD is now at 7c7cd714e262 three + EOF + + # The remaining ones just show info about previous and current HEADs. + cat >2nd_detach <<-'EOF' && + Previous HEAD position was 7c7cd714e262 three + HEAD is now at 139b20d8e6c5 two + EOF + + cat >3rd_detach <<-'EOF' && + Previous HEAD position was 139b20d8e6c5 two + HEAD is now at d79ce1670bdc one + EOF + + reset && + check_not_detached && + + # Various ways of *not* asking for ellipses + + sane_unset GIT_PRINT_SHA1_ELLIPSIS && + git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 1st_detach actual && + + GIT_PRINT_SHA1_ELLIPSIS="no" git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 2nd_detach actual && + + GIT_PRINT_SHA1_ELLIPSIS= git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 3rd_detach actual && + + sane_unset GIT_PRINT_SHA1_ELLIPSIS && + + # We only have four commits, but we can re-use them + reset && + check_not_detached && + + # Make no mention of the env var at all + git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 1st_detach actual && + + GIT_PRINT_SHA1_ELLIPSIS='nope' && + git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 2nd_detach actual && + + GIT_PRINT_SHA1_ELLIPSIS=nein && + git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 3rd_detach actual && + + true +" + +# Detached HEAD tests for GIT_PRINT_SHA1_ELLIPSIS (old format) +test_expect_success 'describe_detached_head does print SHA-1 ellipsis when asked to' " + + # The first detach operation is more chatty than the following ones. + cat >1st_detach <<-'EOF' && + Note: checking out 'HEAD^'. + + You are in 'detached HEAD' state. You can look around, make experimental + changes and commit them, and you can discard any commits you make in this + state without impacting any branches by performing another checkout. + + If you want to create a new branch to retain commits you create, you may + do so (now or later) by using -b with the checkout command again. Example: + + git checkout -b <new-branch-name> + + HEAD is now at 7c7cd714e262... three + EOF + + # The remaining ones just show info about previous and current HEADs. + cat >2nd_detach <<-'EOF' && + Previous HEAD position was 7c7cd714e262... three + HEAD is now at 139b20d8e6c5... two + EOF + + cat >3rd_detach <<-'EOF' && + Previous HEAD position was 139b20d8e6c5... two + HEAD is now at d79ce1670bdc... one + EOF + + reset && + check_not_detached && + + # Various ways of asking for ellipses... + # The user can just use any kind of quoting (including none). + + GIT_PRINT_SHA1_ELLIPSIS="yes" git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 1st_detach actual && + + GIT_PRINT_SHA1_ELLIPSIS='yes' git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 2nd_detach actual && + + GIT_PRINT_SHA1_ELLIPSIS=yes git -c 'core.abbrev=12' checkout HEAD^ >actual 2>&1 && + check_detached && + test_i18ncmp 3rd_detach actual && + + true +" + test_done |