[PATCH] show-diff.c: simplify show_diff_empty.

diff --git a/write-tree.c b/write-tree.c
index f6358d76f1301dc2933e7cf1c3d9bc77ac123b06..827809dbddbff6dd8cf842641f6db5ad2f3ae07a 100644 (file)
--- a/write-tree.c
+++ b/write-tree.c
@@ -45,7 +45,7 @@ static int write_tree(struct cache_entry **cachep, int maxentries, const char *b
        do {
                struct cache_entry *ce = cachep[nr];
                const char *pathname = ce->name, *filename, *dirname;
-               int pathlen = ce->namelen, entrylen;
+               int pathlen = ce_namelen(ce), entrylen;
                unsigned char *sha1;
                unsigned int mode;
 
@@ -54,7 +54,7 @@ static int write_tree(struct cache_entry **cachep, int maxentries, const char *b
                        break;
 
                sha1 = ce->sha1;
-               mode = ce->st_mode;
+               mode = ntohl(ce->ce_mode);
 
                /* Do we have _further_ subdirectories? */
                filename = pathname + baselen;
@@ -63,8 +63,6 @@ static int write_tree(struct cache_entry **cachep, int maxentries, const char *b
                        int subdir_written;
 
                        subdir_written = write_tree(cachep + nr, maxentries - nr, pathname, dirname-pathname+1, subdir_sha1);
-                       fprintf(stderr, "Wrote %d entries from subdirectory '%.*s'\n", 
-                               subdir_written, dirname-pathname, pathname);
                        nr += subdir_written;
 
                        /* Now we need to write out the directory entry into this tree.. */
@@ -95,22 +93,38 @@ static int write_tree(struct cache_entry **cachep, int maxentries, const char *b
        i -= 5;
        memcpy(buffer+i, "tree ", 5);
 
-       buffer += i;
-       offset -= i;
-
-       write_sha1_file(buffer, offset, returnsha1);
+       write_sha1_file(buffer + i, offset - i, returnsha1);
+       free(buffer);
        return nr;
 }
 
 int main(int argc, char **argv)
 {
+       int i, unmerged;
        int entries = read_cache();
        unsigned char sha1[20];
 
        if (entries <= 0)
-               usage("no cache contents to write");
+               die("write-tree: no cache contents to write");
+
+       /* Verify that the tree is merged */
+       unmerged = 0;
+       for (i = 0; i < entries; i++) {
+               struct cache_entry *ce = active_cache[i];
+               if (ntohs(ce->ce_flags) & ~CE_NAMEMASK) {
+                       if (++unmerged > 10) {
+                               fprintf(stderr, "...\n");
+                               break;
+                       }
+                       fprintf(stderr, "%s: unmerged (%s)\n", ce->name, sha1_to_hex(ce->sha1));
+               }
+       }
+       if (unmerged)
+               die("write-tree: not able to write tree");
+
+       /* Ok, write it out */
        if (write_tree(active_cache, entries, "", 0, sha1) != entries)
-               usage("write-tree: internal error");
+               die("write-tree: internal error");
        printf("%s\n", sha1_to_hex(sha1));
        return 0;
 }