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-rwxr-xr-xt/t1512-rev-parse-disambiguation.sh7
1 files changed, 7 insertions, 0 deletions
diff --git a/t/t1512-rev-parse-disambiguation.sh b/t/t1512-rev-parse-disambiguation.sh
index dfd356721e..1d8f550996 100755
--- a/t/t1512-rev-parse-disambiguation.sh
+++ b/t/t1512-rev-parse-disambiguation.sh
@@ -280,6 +280,13 @@ test_expect_success 'rev-parse --disambiguate' '
test "$(sed -e "s/^\(.........\).*/\1/" actual | sort -u)" = 000000000
'
+test_expect_success 'rev-parse --disambiguate drops duplicates' '
+ git rev-parse --disambiguate=000000000 >expect &&
+ git pack-objects .git/objects/pack/pack <expect &&
+ git rev-parse --disambiguate=000000000 >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'ambiguous 40-hex ref' '
TREE=$(git mktree </dev/null) &&
REF=$(git rev-parse HEAD) &&