unpack-trees: allow Porcelain to give different error messages

diff --git a/entry.c b/entry.c
index 98f5f6d4ecfc0dabae9a920bdf3beadbf20abcaf..222aaa374b8268828e9d529a8afacb8830acc281 100644 (file)
--- a/entry.c
+++ b/entry.c
@@ -103,7 +103,7 @@ static int write_entry(struct cache_entry *ce, char *path, const struct checkout
        int fd;
        long wrote;
 
-       switch (ntohl(ce->ce_mode) & S_IFMT) {
+       switch (ce->ce_mode & S_IFMT) {
                char *new;
                struct strbuf buf;
                unsigned long size;
@@ -119,15 +119,17 @@ static int write_entry(struct cache_entry *ce, char *path, const struct checkout
                 */
                strbuf_init(&buf, 0);
                if (convert_to_working_tree(ce->name, new, size, &buf)) {
+                       size_t newsize = 0;
                        free(new);
-                       new = strbuf_detach(&buf, &size);
+                       new = strbuf_detach(&buf, &newsize);
+                       size = newsize;
                }
 
                if (to_tempfile) {
                        strcpy(path, ".merge_file_XXXXXX");
                        fd = mkstemp(path);
                } else
-                       fd = create_file(path, ntohl(ce->ce_mode));
+                       fd = create_file(path, ce->ce_mode);
                if (fd < 0) {
                        free(new);
                        return error("git-checkout-index: unable to create file %s (%s)",
@@ -201,7 +203,7 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *t
        strcpy(path + len, ce->name);
 
        if (!lstat(path, &st)) {
-               unsigned changed = ce_match_stat(ce, &st, 1);
+               unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID);
                if (!changed)
                        return 0;
                if (!state->force) {
@@ -216,15 +218,15 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *t
                 * to emulate by hand - much easier to let the system
                 * just do the right thing)
                 */
-               unlink(path);
                if (S_ISDIR(st.st_mode)) {
                        /* If it is a gitlink, leave it alone! */
-                       if (S_ISGITLINK(ntohl(ce->ce_mode)))
+                       if (S_ISGITLINK(ce->ce_mode))
                                return 0;
                        if (!state->force)
                                return error("%s is a directory", path);
                        remove_subtree(path);
-               }
+               } else if (unlink(path))
+                       return error("unable to unlink old '%s' (%s)", path, strerror(errno));
        } else if (state->not_new)
                return 0;
        create_directories(path, state);