#!/bin/sh test_description='git am with corrupt input' . ./test-lib.sh test_expect_success setup ' # Note the missing "+++" line: cat >bad-patch.diff <<-\EOF && From: A U Thor diff --git a/f b/f index 7898192..6178079 100644 --- a/f @@ -1 +1 @@ -a +b EOF 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' ' test_must_fail git am bad-patch.diff 2>actual ' test_expect_success 'compare diagnostic; ensure file is still here' ' echo "error: git diff header lacks filename information (line 4)" >expected && test_path_is_file f && test_i18ncmp expected actual ' test_done