1 files changed, 44 insertions, 0 deletions
diff --git a/t/t6101-rev-parse-parents.sh b/t/t6101-rev-parse-parents.sh
new file mode 100755
index 0000000000..e673c25e94
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+++ b/t/t6101-rev-parse-parents.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Johannes Schindelin
+#
+
+test_description='Test git rev-parse with different parent options'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-t6000.sh # t6xxx specific functions
+
+date >path0
+git update-index --add path0
+save_tag tree git write-tree
+hide_error save_tag start unique_commit "start" tree
+save_tag second unique_commit "second" tree -p start
+hide_error save_tag start2 unique_commit "start2" tree
+save_tag two_parents unique_commit "next" tree -p second -p start2
+save_tag final unique_commit "final" tree -p two_parents
+
+test_expect_success 'start is valid' 'git rev-parse start | grep "^[0-9a-f]\{40\}$"'
+test_expect_success 'start^0' "test $(cat .git/refs/tags/start) = $(git rev-parse start^0)"
+test_expect_success 'start^1 not valid' "if git rev-parse --verify start^1; then false; else :; fi"
+test_expect_success 'second^1 = second^' "test $(git rev-parse second^1) = $(git rev-parse second^)"
+test_expect_success 'final^1^1^1' "test $(git rev-parse start) = $(git rev-parse final^1^1^1)"
+test_expect_success 'final^1^1^1 = final^^^' "test $(git rev-parse final^1^1^1) = $(git rev-parse final^^^)"
+test_expect_success 'final^1^2' "test $(git rev-parse start2) = $(git rev-parse final^1^2)"
+test_expect_success 'final^1^2 != final^1^1' "test $(git rev-parse final^1^2) != $(git rev-parse final^1^1)"
+test_expect_success 'final^1^3 not valid' "if git rev-parse --verify final^1^3; then false; else :; fi"
+test_expect_success '--verify start2^1' 'test_must_fail git rev-parse --verify start2^1'
+test_expect_success '--verify start2^0' 'git rev-parse --verify start2^0'
+test_expect_success 'final^1^@ = final^1^1 final^1^2' "test \"$(git rev-parse final^1^@)\" = \"$(git rev-parse final^1^1 final^1^2)\""
+test_expect_success 'final^1^! = final^1 ^final^1^1 ^final^1^2' "test \"$(git rev-parse final^1^\!)\" = \"$(git rev-parse final^1 ^final^1^1 ^final^1^2)\""
+
+test_expect_success 'repack for next test' 'git repack -a -d'
+test_expect_success 'short SHA-1 works' '
+	start=`git rev-parse --verify start` &&
+	echo $start &&
+	abbrv=`echo $start | sed s/.\$//` &&
+	echo $abbrv &&
+	abbrv=`git rev-parse --verify $abbrv` &&
+	echo $abbrv &&
+	test $start = $abbrv'
+
+test_done