#!/bin/sh
test_description='git am with corrupt input'
. ./test-lib.sh
# Note the missing "+++" line:
cat > bad-patch.diff <<'EOF'
From: A U Thor <au.thor@example.com>
diff --git a/f b/f
index 7898192..6178079 100644
--- a/f
@@ -1 +1 @@
-a
+b
EOF
test_expect_success setup '
test $? = 0 &&
echo a > f &&
git add f &&
test_tick &&
git commit -m initial
'
# This used to fail before, too, but with a different diagnostic.
# fatal: unable to write file '(null)' mode 100644: Bad address
# Also, it had the unwanted side-effect of deleting f.
test_expect_success 'try to apply corrupted patch' '
git am bad-patch.diff 2> actual
test $? = 1
'
cat > expected <<EOF
fatal: git diff header lacks filename information (line 4)
EOF
test_expect_success 'compare diagnostic; ensure file is still here' '
test $? = 0 &&
test -f f &&
test_cmp expected actual
'
test_done