reachable
---
Documentation/git-test.txt | 2 +
git-conditions-lib.sh | 14 ++++++
t/t1520-test.sh | 101 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 117 insertions(+), 0 deletions(-)
diff --git a/Documentation/git-test.txt b/Documentation/git-test.txt
index f76aa38..e28ed88 100644
--- a/Documentation/git-test.txt
+++ b/Documentation/git-test.txt
@@ -86,6 +86,8 @@ CONDITIONS
Tests if the specified commit does (not) exist.
'--checked-out'|'--not-checked-out branch'::
Tests if the specified branch is (not) checked out.
+'--reachable'|'--not-reachable' first second::
+ Tests if the first commit is (not) reachable from the second.
EXTENDING THE CONDITION LIBRARY
-------------------------------
diff --git a/git-conditions-lib.sh b/git-conditions-lib.sh
index 3eccc19..0223fcd 100644
--- a/git-conditions-lib.sh
+++ b/git-conditions-lib.sh
@@ -136,5 +136,19 @@ check_checked_out_1()
}
+check_reachable_2()
+{
+ first=$(git rev-parse --quiet --verify "$1" 2>/dev/null) || die "'$1' is not a commit"
+ second=$(git rev-parse --quiet --verify "$2" 2>/dev/null) || die "'$2' is not a commit"
+ if test "$first" = "$second" \
+ -o -z "$(git rev-list -n1 "$first" ^"$second")"
+ then
+ echo "'$1' is reachable from '$2'."
+ else
+ echo "'$1' is not reachable from '$2'."
+ false
+ fi
+}
+
fi
diff --git a/t/t1520-test.sh b/t/t1520-test.sh
index bb39050..3e33f8a 100755
--- a/t/t1520-test.sh
+++ b/t/t1520-test.sh
@@ -298,4 +298,105 @@ test_expect_success 'git test --detached # when detached' \
git test --detached
'
+
+test_expect_success 'git test --reachable #should fail' \
+'
+ test_must_fail git test --reachable
+'
+
+test_expect_success 'git test --not-reachable #should fail' \
+'
+ test_must_fail git test --reachable
+'
+
+test_expect_success 'git test --reachable A #should fail' \
+'
+ test_must_fail git test --reachable A
+'
+
+test_expect_success 'git test --not-reachable A #should fail' \
+'
+ test_must_fail git test --not-reachable A
+'
+
+test_expect_success 'git test --reachable does-not-exist-1 does-not-exist-2 #should fail' \
+'
+ test_must_fail git test --reachable does-not-exist-1 does-not-exist-2
+'
+
+test_expect_success 'git test --not-reachable does-not-exist-1 does-not-exist-2 #should fail' \
+'
+ test_must_fail git test --not-reachable does-not-exist-1 does-not-exist-2
+'
+
+test_expect_success 'git test --reachable does-not-exist-1 A #should fail' \
+'
+ test_must_fail git test --reachable does-not-exist-1 A
+'
+
+test_expect_success 'git test --not-reachable does-not-exist-1 A #should fail' \
+'
+ test_must_fail git test --not-reachable does-not-exist-1 A
+'
+
+test_expect_success 'git test --reachable A does-not-exist-2 #should fail' \
+'
+ test_must_fail git test --reachable A does-not-exist-2
+'
+
+test_expect_success 'git test --not-reachable A does-not-exist-2 #should fail' \
+'
+ test_must_fail git test --not-reachable A does-not-exist-2
+'
+
+test_expect_success 'git test --reachable A C' \
+'
+ git test --reachable A C
+'
+
+test_expect_success 'git test --not-reachable A C # should fail' \
+'
+ test_must_fail git test --not-reachable A C
+'
+
+test_expect_success 'git test --reachable C A # should fail' \
+'
+ test_must_fail git test --reachable C A
+'
+
+test_expect_success 'git test --not-reachable C A # should fail' \
+'
+ git test --not-reachable C A
+'
+
+test_expect_success 'git test --reachable C C' \
+'
+ git test --reachable C C
+'
+
+test_expect_success 'git test --not-reachable C C' \
+'
+ test_must_fail git test --not-reachable C C
+'
+
+test_expect_success 'git test --reachable C F' \
+'
+ test_must_fail git test --reachable C F
+'
+
+test_expect_success 'git test --not-reachable C F' \
+'
+ git test --not-reachable C F
+'
+
+test_expect_success 'git test --reachable F C' \
+'
+ test_must_fail git test --reachable F C
+'
+
+test_expect_success 'git test --not-reachable F C' \
+'
+ git test --not-reachable F C
+'
+
test_done
--
1.7.5.rc1.23.g7f622
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