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-rwxr-xr-xt/t6120-describe.sh360
1 files changed, 252 insertions, 108 deletions
diff --git a/t/t6120-describe.sh b/t/t6120-describe.sh
index d639d94696..1a501ee09e 100755
--- a/t/t6120-describe.sh
+++ b/t/t6120-describe.sh
@@ -1,117 +1,100 @@
#!/bin/sh
-test_description='test describe
+test_description='test describe'
+
+# o---o-----o----o----o-------o----x
+# \ D,R e /
+# \---o-------------o-'
+# \ B /
+# `-o----o----o-'
+# A c
+#
+# First parent of a merge commit is on the same line, second parent below.
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
- B
- .--------------o----o----o----x
- / / /
- o----o----o----o----o----. /
- \ A c /
- .------------o---o---o
- D,R e
-'
. ./test-lib.sh
check_describe () {
+ indir= &&
+ while test $# != 0
+ do
+ case "$1" in
+ -C)
+ indir="$2"
+ shift
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done &&
+ indir=${indir:+"$indir"/} &&
expect="$1"
shift
- R=$(git describe "$@" 2>err.actual)
- S=$?
- cat err.actual >&3
- test_expect_success "describe $*" '
- test $S = 0 &&
- case "$R" in
- $expect) echo happy ;;
- *) echo "Oops - $R is not $expect";
- false ;;
- esac
+ describe_opts="$@"
+ test_expect_success "describe $describe_opts" '
+ git ${indir:+ -C "$indir"} describe $describe_opts >raw &&
+ sed -e "s/-g[0-9a-f]*\$/-gHASH/" <raw >actual &&
+ echo "$expect" >expect &&
+ test_cmp expect actual
'
}
test_expect_success setup '
+ test_commit initial file one &&
+ test_commit second file two &&
+ test_commit third file three &&
+ test_commit --annotate A file A &&
+ test_commit c file c &&
- test_tick &&
- echo one >file && git add file && git commit -m initial &&
- one=$(git rev-parse HEAD) &&
-
- git describe --always HEAD &&
-
- test_tick &&
- echo two >file && git add file && git commit -m second &&
- two=$(git rev-parse HEAD) &&
-
- test_tick &&
- echo three >file && git add file && git commit -m third &&
-
- test_tick &&
- echo A >file && git add file && git commit -m A &&
- test_tick &&
- git tag -a -m A A &&
-
- test_tick &&
- echo c >file && git add file && git commit -m c &&
- test_tick &&
- git tag c &&
-
- git reset --hard $two &&
- test_tick &&
- echo B >side && git add side && git commit -m B &&
- test_tick &&
- git tag -a -m B B &&
+ git reset --hard second &&
+ test_commit --annotate B side B &&
test_tick &&
git merge -m Merged c &&
merged=$(git rev-parse HEAD) &&
- git reset --hard $two &&
- test_tick &&
- echo D >another && git add another && git commit -m D &&
- test_tick &&
- git tag -a -m D D &&
- test_tick &&
- git tag -a -m R R &&
+ git reset --hard second &&
+ test_commit --no-tag D another D &&
test_tick &&
- echo DD >another && git commit -a -m another &&
-
- test_tick &&
- git tag e &&
+ git tag -a -m R R &&
- test_tick &&
- echo DDD >another && git commit -a -m "yet another" &&
+ test_commit e another DD &&
+ test_commit --no-tag "yet another" another DDD &&
test_tick &&
git merge -m Merged $merged &&
- test_tick &&
- echo X >file && echo X >side && git add file side &&
- git commit -m x
-
+ test_commit --no-tag x file
'
-check_describe A-* HEAD
-check_describe A-* HEAD^
-check_describe R-* HEAD^^
-check_describe A-* HEAD^^2
+check_describe A-8-gHASH HEAD
+check_describe A-7-gHASH HEAD^
+check_describe R-2-gHASH HEAD^^
+check_describe A-3-gHASH HEAD^^2
check_describe B HEAD^^2^
-check_describe R-* HEAD^^^
+check_describe R-1-gHASH HEAD^^^
-check_describe c-* --tags HEAD
-check_describe c-* --tags HEAD^
-check_describe e-* --tags HEAD^^
-check_describe c-* --tags HEAD^^2
+check_describe c-7-gHASH --tags HEAD
+check_describe c-6-gHASH --tags HEAD^
+check_describe e-1-gHASH --tags HEAD^^
+check_describe c-2-gHASH --tags HEAD^^2
check_describe B --tags HEAD^^2^
check_describe e --tags HEAD^^^
-check_describe heads/master --all HEAD
-check_describe tags/c-* --all HEAD^
+check_describe heads/main --all HEAD
+check_describe tags/c-6-gHASH --all HEAD^
check_describe tags/e --all HEAD^^^
-check_describe B-0-* --long HEAD^^2^
-check_describe A-3-* --long HEAD^^2
+check_describe B-0-gHASH --long HEAD^^2^
+check_describe A-3-gHASH --long HEAD^^2
-check_describe c-7-* --tags
-check_describe e-3-* --first-parent --tags
+check_describe c-7-gHASH --tags
+check_describe e-3-gHASH --first-parent --tags
test_expect_success 'describe --contains defaults to HEAD without commit-ish' '
echo "A^0" >expect &&
@@ -122,36 +105,81 @@ test_expect_success 'describe --contains defaults to HEAD without commit-ish' '
'
check_describe tags/A --all A^0
-test_expect_success 'no warning was displayed for A' '
- test_must_be_empty err.actual
+
+test_expect_success 'renaming tag A to Q locally produces a warning' "
+ mv .git/refs/tags/A .git/refs/tags/Q &&
+ git describe HEAD 2>err >out &&
+ cat >expected <<-\EOF &&
+ warning: tag 'Q' is externally known as 'A'
+ EOF
+ test_cmp expected err &&
+ grep -E '^A-8-g[0-9a-f]+$' out
+"
+
+test_expect_success 'misnamed annotated tag forces long output' '
+ description=$(git describe --no-long Q^0) &&
+ expr "$description" : "A-0-g[0-9a-f]*$" &&
+ git rev-parse --verify "$description" >actual &&
+ git rev-parse --verify Q^0 >expect &&
+ test_cmp expect actual
'
-test_expect_success 'rename tag A to Q locally' '
- mv .git/refs/tags/A .git/refs/tags/Q
+test_expect_success 'abbrev=0 will not break misplaced tag (1)' '
+ description=$(git describe --abbrev=0 Q^0) &&
+ expr "$description" : "A-0-g[0-9a-f]*$"
'
-cat - >err.expect <<EOF
-warning: tag 'A' is really 'Q' here
-EOF
-check_describe A-* HEAD
-test_expect_success 'warning was displayed for Q' '
- test_i18ncmp err.expect err.actual
+
+test_expect_success 'abbrev=0 will not break misplaced tag (2)' '
+ description=$(git describe --abbrev=0 c^0) &&
+ expr "$description" : "A-1-g[0-9a-f]*$"
'
+
test_expect_success 'rename tag Q back to A' '
mv .git/refs/tags/Q .git/refs/tags/A
'
test_expect_success 'pack tag refs' 'git pack-refs'
-check_describe A-* HEAD
+check_describe A-8-gHASH HEAD
-check_describe "A-*[0-9a-f]" --dirty
+test_expect_success 'describe works from outside repo using --git-dir' '
+ git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
+ git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
+ grep -E "^A-8-g[0-9a-f]+$" out
+'
+
+check_describe "A-8-gHASH" --dirty
+
+test_expect_success 'describe --dirty with --work-tree' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-8-g[0-9a-f]+$" out
+'
test_expect_success 'set-up dirty work tree' '
echo >>file
'
-check_describe "A-*[0-9a-f]-dirty" --dirty
+test_expect_success 'describe --dirty with --work-tree (dirty)' '
+ git describe --dirty >expected &&
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-8-g[0-9a-f]+-dirty$" out &&
+ test_cmp expected out
+'
-check_describe "A-*[0-9a-f].mod" --dirty=.mod
+test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
+ git describe --dirty=.mod >expected &&
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-8-g[0-9a-f]+.mod$" out &&
+ test_cmp expected out
+'
test_expect_success 'describe --dirty HEAD' '
test_must_fail git describe --dirty HEAD
@@ -173,21 +201,21 @@ test_expect_success 'set-up matching pattern tests' '
'
-check_describe "test-annotated-*" --match="test-*"
+check_describe "test-annotated-3-gHASH" --match="test-*"
-check_describe "test1-lightweight-*" --tags --match="test1-*"
+check_describe "test1-lightweight-2-gHASH" --tags --match="test1-*"
-check_describe "test2-lightweight-*" --tags --match="test2-*"
+check_describe "test2-lightweight-1-gHASH" --tags --match="test2-*"
-check_describe "test2-lightweight-*" --long --tags --match="test2-*" HEAD^
+check_describe "test2-lightweight-0-gHASH" --long --tags --match="test2-*" HEAD^
-check_describe "test2-lightweight-*" --long --tags --match="test1-*" --match="test2-*" HEAD^
+check_describe "test2-lightweight-0-gHASH" --long --tags --match="test1-*" --match="test2-*" HEAD^
-check_describe "test2-lightweight-*" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^
+check_describe "test2-lightweight-0-gHASH" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^
-check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="test3-*" HEAD
+check_describe "test1-lightweight-2-gHASH" --long --tags --match="test1-*" --match="test3-*" HEAD
-check_describe "test1-lightweight-*" --long --tags --match="test3-*" --match="test1-*" HEAD
+check_describe "test1-lightweight-2-gHASH" --long --tags --match="test3-*" --match="test1-*" HEAD
test_expect_success 'set-up branches' '
git branch branch_A A &&
@@ -197,11 +225,11 @@ test_expect_success 'set-up branches' '
git update-ref refs/original/original_branch_A test-annotated~2
'
-check_describe "heads/branch_A*" --all --match="branch_*" --exclude="branch_C" HEAD
+check_describe "heads/branch_A-11-gHASH" --all --match="branch_*" --exclude="branch_C" HEAD
-check_describe "remotes/origin/remote_branch_A*" --all --match="origin/remote_branch_*" --exclude="origin/remote_branch_C" HEAD
+check_describe "remotes/origin/remote_branch_A-11-gHASH" --all --match="origin/remote_branch_*" --exclude="origin/remote_branch_C" HEAD
-check_describe "original/original_branch_A*" --all test-annotated~1
+check_describe "original/original_branch_A-6-gHASH" --all test-annotated~1
test_expect_success '--match does not work for other types' '
test_must_fail git describe --all --match="*original_branch_*" test-annotated~1
@@ -303,8 +331,17 @@ test_expect_success 'describe chokes on severely broken submodules' '
mv .git/modules/sub1/ .git/modules/sub_moved &&
test_must_fail git describe --dirty
'
+
test_expect_success 'describe ignoring a broken submodule' '
git describe --broken >out &&
+ grep broken out
+'
+
+test_expect_success 'describe with --work-tree ignoring a broken submodule' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --broken >"$TRASH_DIRECTORY/out"
+ ) &&
test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
grep broken out
'
@@ -343,19 +380,19 @@ test_expect_success 'describe tag object' '
test_i18ngrep "fatal: test-blob-1 is neither a commit nor blob" actual
'
-test_expect_failure ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
+test_expect_success ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
i=1 &&
while test $i -lt 8000
do
- echo "commit refs/heads/master
+ echo "commit refs/heads/main
committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
data <<EOF
commit #$i
EOF"
- test $i = 1 && echo "from refs/heads/master^0"
+ test $i = 1 && echo "from refs/heads/main^0"
i=$(($i + 1))
done | git fast-import &&
- git checkout master &&
+ git checkout main &&
git tag far-far-away HEAD^ &&
echo "HEAD~4000 tags/far-far-away~3999" >expect &&
git name-rev HEAD~4000 >actual &&
@@ -385,4 +422,111 @@ test_expect_success 'describe complains about missing object' '
test_must_fail git describe $ZERO_OID
'
+test_expect_success 'name-rev a rev shortly after epoch' '
+ test_when_finished "git checkout main" &&
+
+ git checkout --orphan no-timestamp-underflow &&
+ # Any date closer to epoch than the CUTOFF_DATE_SLOP constant
+ # in builtin/name-rev.c.
+ GIT_COMMITTER_DATE="@1234 +0000" \
+ git commit -m "committer date shortly after epoch" &&
+ old_commit_oid=$(git rev-parse HEAD) &&
+
+ echo "$old_commit_oid no-timestamp-underflow" >expect &&
+ git name-rev $old_commit_oid >actual &&
+ test_cmp expect actual
+'
+
+# A--------------main
+# \ /
+# \----------M2
+# \ /
+# \---M1-C
+# \ /
+# B
+test_expect_success 'name-rev covers all conditions while looking at parents' '
+ git init repo &&
+ (
+ cd repo &&
+
+ echo A >file &&
+ git add file &&
+ git commit -m A &&
+ A=$(git rev-parse HEAD) &&
+
+ git checkout --detach &&
+ echo B >file &&
+ git commit -m B file &&
+ B=$(git rev-parse HEAD) &&
+
+ git checkout $A &&
+ git merge --no-ff $B && # M1
+
+ echo C >file &&
+ git commit -m C file &&
+
+ git checkout $A &&
+ git merge --no-ff HEAD@{1} && # M2
+
+ git checkout main &&
+ git merge --no-ff HEAD@{1} &&
+
+ echo "$B main^2^2~1^2" >expect &&
+ git name-rev $B >actual &&
+
+ test_cmp expect actual
+ )
+'
+
+# B
+# o
+# \
+# o-----o---o----x
+# A
+#
+test_expect_success 'setup: describe commits with disjoint bases' '
+ git init disjoint1 &&
+ (
+ cd disjoint1 &&
+
+ echo o >> file && git add file && git commit -m o &&
+ echo A >> file && git add file && git commit -m A &&
+ git tag A -a -m A &&
+ echo o >> file && git add file && git commit -m o &&
+
+ git checkout --orphan branch && rm file &&
+ echo B > file2 && git add file2 && git commit -m B &&
+ git tag B -a -m B &&
+ git merge --no-ff --allow-unrelated-histories main -m x
+ )
+'
+
+check_describe -C disjoint1 "A-3-gHASH" HEAD
+
+# B
+# o---o---o------------.
+# \
+# o---o---x
+# A
+#
+test_expect_success 'setup: describe commits with disjoint bases 2' '
+ git init disjoint2 &&
+ (
+ cd disjoint2 &&
+
+ echo A >> file && git add file && GIT_COMMITTER_DATE="2020-01-01 18:00" git commit -m A &&
+ git tag A -a -m A &&
+ echo o >> file && git add file && GIT_COMMITTER_DATE="2020-01-01 18:01" git commit -m o &&
+
+ git checkout --orphan branch &&
+ echo o >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:00" git commit -m o &&
+ echo o >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:01" git commit -m o &&
+ echo B >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:02" git commit -m B &&
+ git tag B -a -m B &&
+ git merge --no-ff --allow-unrelated-histories main -m x
+ )
+'
+
+check_describe -C disjoint2 "B-3-gHASH" HEAD
+
test_done