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-rw-r--r--apply.c15
-rwxr-xr-xt/t4136-apply-check.sh18
2 files changed, 33 insertions, 0 deletions
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