diff --git a/apply.c b/apply.c index 4b689d9bf7..574ada87c5 100644 --- a/apply.c +++ b/apply.c @@ -210,6 +210,7 @@ struct patch { unsigned ws_rule; int lines_added, lines_deleted; int score; + int extension_linenr; /* first line specifying delete/new/rename/copy */ unsigned int is_toplevel_relative:1; unsigned int inaccurate_eof:1; unsigned int is_binary:1; @@ -1329,6 +1330,18 @@ static char *git_header_name(struct apply_state *state, } } +static int check_header_line(struct apply_state *state, struct patch *patch) +{ + int extensions = (patch->is_delete == 1) + (patch->is_new == 1) + + (patch->is_rename == 1) + (patch->is_copy == 1); + if (extensions > 1) + return error(_("inconsistent header lines %d and %d"), + patch->extension_linenr, state->linenr); + if (extensions && !patch->extension_linenr) + patch->extension_linenr = state->linenr; + return 0; +} + /* Verify that we recognize the lines following a git header */ static int parse_git_header(struct apply_state *state, const char *line, @@ -1395,6 +1408,8 @@ static int parse_git_header(struct apply_state *state, res = p->fn(state, line + oplen, patch); if (res < 0) return -1; + if (check_header_line(state, patch)) + return -1; if (res > 0) return offset; break; diff --git a/t/t4136-apply-check.sh b/t/t4136-apply-check.sh index 4b0a374b63..6d92872318 100755 --- a/t/t4136-apply-check.sh +++ b/t/t4136-apply-check.sh @@ -29,4 +29,22 @@ test_expect_success 'apply exits non-zero with no-op patch' ' test_must_fail git apply --check input ' +test_expect_success 'invalid combination: create and copy' ' + test_must_fail git apply --check - <<-\EOF + diff --git a/1 b/2 + new file mode 100644 + copy from 1 + copy to 2 + EOF +' + +test_expect_success 'invalid combination: create and rename' ' + test_must_fail git apply --check - <<-\EOF + diff --git a/1 b/2 + new file mode 100644 + rename from 1 + rename to 2 + EOF +' + test_done