git-mergetool: print filename when it contains %

[git.git] / wrapper.c

diff --git a/wrapper.c b/wrapper.c
index b5e33e49c77bdf1d19292971b63ff5221b013f33..68739aaa3b9e9e1a1bbbd43c75c9b5c244fb6c3e 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
@@ -403,6 +403,19 @@ int remove_or_warn(unsigned int mode, const char *file)
        return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file);
 }
 
+void warn_on_inaccessible(const char *path)
+{
+       warning(_("unable to access '%s': %s"), path, strerror(errno));
+}
+
+int access_or_warn(const char *path, int mode)
+{
+       int ret = access(path, mode);
+       if (ret && errno != ENOENT)
+               warn_on_inaccessible(path);
+       return ret;
+}
+
 struct passwd *xgetpwuid_self(void)
 {
        struct passwd *pw;