unpack-trees: allow Porcelain to give different error messages

diff --git a/diff-lib.c b/diff-lib.c
index 4a3e25536c894dfb928754e6314a400d39c6f9ad..fe2ccec7e6b3230715cbdf04591d1c0efb6a6389 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -347,14 +347,14 @@ int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv)
  * exists for ce that is a submodule -- it is a submodule that is not
  * checked out).  Return negative for an error.
  */
-static int check_removed(const struct cache_entry *ce, struct stat *st, char *symcache)
+static int check_removed(const struct cache_entry *ce, struct stat *st)
 {
        if (lstat(ce->name, st) < 0) {
                if (errno != ENOENT && errno != ENOTDIR)
                        return -1;
                return 1;
        }
-       if (has_symlink_leading_path(ce->name, symcache))
+       if (has_symlink_leading_path(ce_namelen(ce), ce->name))
                return 1;
        if (S_ISDIR(st->st_mode)) {
                unsigned char sub[20];
@@ -421,7 +421,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                        memset(&(dpath->parent[0]), 0,
                               sizeof(struct combine_diff_parent)*5);
 
-                       changed = check_removed(ce, &st, symcache);
+                       changed = check_removed(ce, &st);
                        if (!changed)
                                dpath->mode = ce_mode_from_stat(ce, st.st_mode);
                        else {
@@ -485,7 +485,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                if (ce_uptodate(ce))
                        continue;
 
-               changed = check_removed(ce, &st, symcache);
+               changed = check_removed(ce, &st);
                if (changed) {
                        if (changed < 0) {
                                perror(ce->name);
@@ -498,8 +498,11 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                        continue;
                }
                changed = ce_match_stat(ce, &st, ce_option);
-               if (!changed && !DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
-                       continue;
+               if (!changed) {
+                       ce_mark_uptodate(ce);
+                       if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
+                               continue;
+               }
                oldmode = ce->ce_mode;
                newmode = ce_mode_from_stat(ce, st.st_mode);
                diff_change(&revs->diffopt, oldmode, newmode,
@@ -543,7 +546,7 @@ static int get_stat_data(struct cache_entry *ce,
        if (!cached) {
                int changed;
                struct stat st;
-               changed = check_removed(ce, &st, cbdata->symcache);
+               changed = check_removed(ce, &st);
                if (changed < 0)
                        return -1;
                else if (changed) {