X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=t%2Ft7500-commit.sh;h=cf389b81da041e6bcbc7d20cd367b4274001353f;hb=c4316674c48708ca62876470c615101ab8fee2e0;hp=abbf54ba63693bbb3e839786bf97284c22912333;hpb=c78a24986d4d3faff810e87dbcd0ac99f0eabbce;p=git.git

diff --git a/t/t7500-commit.sh b/t/t7500-commit.sh
index abbf54ba6..cf389b81d 100755
--- a/t/t7500-commit.sh
+++ b/t/t7500-commit.sh
@@ -93,4 +93,36 @@ test_expect_success 'commit message from file should override template' '
 	commit_msg_is "standard input msg"
 '
 
+test_expect_success 'using alternate GIT_INDEX_FILE (1)' '
+
+	cp .git/index saved-index &&
+	(
+		echo some new content >file &&
+	        GIT_INDEX_FILE=.git/another_index &&
+		export GIT_INDEX_FILE &&
+		git add file &&
+		git commit -m "commit using another index" &&
+		git diff-index --exit-code HEAD &&
+		git diff-files --exit-code
+	) &&
+	cmp .git/index saved-index >/dev/null
+
+'
+
+test_expect_success 'using alternate GIT_INDEX_FILE (2)' '
+
+	cp .git/index saved-index &&
+	(
+		rm -f .git/no-such-index &&
+		GIT_INDEX_FILE=.git/no-such-index &&
+		export GIT_INDEX_FILE &&
+		git commit -m "commit using nonexistent index" &&
+		test -z "$(git ls-files)" &&
+		test -z "$(git ls-tree HEAD)"
+
+	) &&
+	cmp .git/index saved-index >/dev/null
+
+'
+
 test_done