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-rwxr-xr-xt/t6120-describe.sh197
1 files changed, 180 insertions, 17 deletions
diff --git a/t/t6120-describe.sh b/t/t6120-describe.sh
index d639d94696..f822d5d328 100755
--- a/t/t6120-describe.sh
+++ b/t/t6120-describe.sh
@@ -1,28 +1,27 @@
#!/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.
- B
- .--------------o----o----o----x
- / / /
- o----o----o----o----o----. /
- \ A c /
- .------------o---o---o
- D,R e
-'
. ./test-lib.sh
check_describe () {
expect="$1"
shift
- R=$(git describe "$@" 2>err.actual)
- S=$?
- cat err.actual >&3
- test_expect_success "describe $*" '
- test $S = 0 &&
+ describe_opts="$@"
+ test_expect_success "describe $describe_opts" '
+ R=$(git describe $describe_opts 2>err.actual) &&
case "$R" in
$expect) echo happy ;;
- *) echo "Oops - $R is not $expect";
+ *) echo "Oops - $R is not $expect" &&
false ;;
esac
'
@@ -130,12 +129,30 @@ test_expect_success 'rename tag A to Q locally' '
mv .git/refs/tags/A .git/refs/tags/Q
'
cat - >err.expect <<EOF
-warning: tag 'A' is really 'Q' here
+warning: tag 'Q' is externally known as 'A'
EOF
check_describe A-* HEAD
test_expect_success 'warning was displayed for Q' '
test_i18ncmp err.expect err.actual
'
+test_expect_success 'misnamed annotated tag forces long output' '
+ description=$(git describe --no-long Q^0) &&
+ expr "$description" : "A-0-g[0-9a-f]*$" &&
+ git rev-parse --verify "$description" >actual &&
+ git rev-parse --verify Q^0 >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'abbrev=0 will not break misplaced tag (1)' '
+ description=$(git describe --abbrev=0 Q^0) &&
+ expr "$description" : "A-0-g[0-9a-f]*$"
+'
+
+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]*$"
+'
+
test_expect_success 'rename tag Q back to A' '
mv .git/refs/tags/Q .git/refs/tags/A
'
@@ -143,16 +160,46 @@ test_expect_success 'rename tag Q back to A' '
test_expect_success 'pack tag refs' 'git pack-refs'
check_describe A-* HEAD
+test_expect_success 'describe works from outside repo using --git-dir' '
+ git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
+ git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
+'
+
check_describe "A-*[0-9a-f]" --dirty
+test_expect_success 'describe --dirty with --work-tree' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" 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)' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+-dirty$" out
+'
+
check_describe "A-*[0-9a-f].mod" --dirty=.mod
+test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
+ (
+ cd "$TEST_DIRECTORY" &&
+ git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
+ ) &&
+ grep -E "^A-[1-9][0-9]?-g[0-9a-f]+.mod$" out
+'
+
test_expect_success 'describe --dirty HEAD' '
test_must_fail git describe --dirty HEAD
'
@@ -303,8 +350,17 @@ 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
'
@@ -343,7 +399,7 @@ 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
@@ -385,4 +441,111 @@ test_expect_success 'describe complains about missing object' '
test_must_fail git describe $ZERO_OID
'
+test_expect_success 'name-rev a rev shortly after epoch' '
+ test_when_finished "git checkout master" &&
+
+ git checkout --orphan no-timestamp-underflow &&
+ # Any date closer to epoch than the CUTOFF_DATE_SLOP constant
+ # in builtin/name-rev.c.
+ GIT_COMMITTER_DATE="@1234 +0000" \
+ git commit -m "committer date shortly after epoch" &&
+ old_commit_oid=$(git rev-parse HEAD) &&
+
+ echo "$old_commit_oid no-timestamp-underflow" >expect &&
+ git name-rev $old_commit_oid >actual &&
+ test_cmp expect actual
+'
+
+# A--------------master
+# \ /
+# \----------M2
+# \ /
+# \---M1-C
+# \ /
+# B
+test_expect_success 'name-rev covers all conditions while looking at parents' '
+ git init repo &&
+ (
+ cd repo &&
+
+ echo A >file &&
+ git add file &&
+ git commit -m A &&
+ A=$(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 $A &&
+ git merge --no-ff HEAD@{1} && # M2
+
+ git checkout master &&
+ git merge --no-ff HEAD@{1} &&
+
+ echo "$B master^2^2~1^2" >expect &&
+ git name-rev $B >actual &&
+
+ test_cmp expect actual
+ )
+'
+
+# B
+# o
+# \
+# o-----o---o----x
+# A
+#
+test_expect_success '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 master -m x &&
+
+ check_describe "A-3-*" HEAD
+ )
+'
+
+# B
+# o---o---o------------.
+# \
+# o---o---x
+# A
+#
+test_expect_success '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 master -m x &&
+
+ check_describe "B-3-*" HEAD
+ )
+'
+
test_done