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-rw-r--r--apply.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/apply.c b/apply.c
index 50be8f3e2..1742ab28e 100644
--- a/apply.c
+++ b/apply.c
@@ -16,6 +16,9 @@
// --numstat does numeric diffstat, and doesn't actually apply
// --index-info shows the old and new index info for paths if available.
//
+static const char *prefix;
+static int prefix_length = -1;
+
static int allow_binary_replacement = 0;
static int check_index = 0;
static int write_index = 0;
@@ -1706,6 +1709,12 @@ static int use_patch(struct patch *p)
return 0;
x = x->next;
}
+ if (0 < prefix_length) {
+ int pathlen = strlen(pathname);
+ if (pathlen <= prefix_length ||
+ memcmp(prefix, pathname, prefix_length))
+ return 0;
+ }
return 1;
}
@@ -1845,6 +1854,15 @@ int main(int argc, char **argv)
line_termination = 0;
continue;
}
+
+ if (check_index && prefix_length < 0) {
+ prefix = setup_git_directory();
+ prefix_length = prefix ? strlen(prefix) : 0;
+ git_config(git_default_config);
+ }
+ if (0 < prefix_length)
+ arg = prefix_filename(prefix, prefix_length, arg);
+
fd = open(arg, O_RDONLY);
if (fd < 0)
usage(apply_usage);