Merge branch 'jk/maint-stash-oob' into maint

* jk/maint-stash-oob:
  stash: fix false positive in the invalid ref test.
  stash: fix accidental apply of non-existent stashes

Conflicts:
	t/t3903-stash.sh

Author: gitster

git-stash.sh

@@ -265,7 +265,7 @@ parse_flags_and_rev()
 	b_tree=
 	i_tree=
 
-	REV=$(git rev-parse --no-flags --symbolic "$@" 2>/dev/null)
+	REV=$(git rev-parse --no-flags --symbolic "$@") || exit 1
 
 	FLAGS=
 	for opt
@@ -311,16 +311,6 @@ parse_flags_and_rev()
 	IS_STASH_LIKE=t &&
 	test "$ref_stash" = "$(git rev-parse --symbolic-full-name "${REV%@*}")" &&
 	IS_STASH_REF=t
-
-	if test "${REV}" != "${REV%{*\}}"
-	then
-		# maintainers: it would be better if git rev-parse indicated
-		# this condition with a non-zero status code but as of 1.7.2.1 it
-		# it did not. So, we use non-empty stderr output as a proxy for the
-		# condition of interest.
-		test -z "$(git rev-parse "$REV" 2>&1 >/dev/null)" || die "$REV does not exist in the stash log"
-	fi
-
 }
 
 is_stash_like()

t/t3903-stash.sh

@@ -37,6 +37,12 @@ test_expect_success 'parents of stash' '
 	test_cmp output expect
 '
 
+test_expect_success 'applying bogus stash does nothing' '
+	test_must_fail git stash apply stash@{1} &&
+	echo 1 >expect &&
+	test_cmp expect file
+'
+
 test_expect_success 'apply does not need clean working directory' '
 	echo 4 >other-file &&
 	git add other-file &&
@@ -557,11 +563,11 @@ test_expect_success 'invalid ref of the form stash@{n}, n >= N' '
 	echo bar6 > file2 &&
 	git add file2 &&
 	git stash &&
-	test_must_fail git drop stash@{1} &&
-	test_must_fail git pop stash@{1} &&
-	test_must_fail git apply stash@{1} &&
-	test_must_fail git show stash@{1} &&
-	test_must_fail git branch tmp stash@{1} &&
+	test_must_fail git stash drop stash@{1} &&
+	test_must_fail git stash pop stash@{1} &&
+	test_must_fail git stash apply stash@{1} &&
+	test_must_fail git stash show stash@{1} &&
+	test_must_fail git stash branch tmp stash@{1} &&
 	git stash drop
 '