*/
#include "cache.h"
+static int missing_ok = 0;
+
static int check_valid_sha1(unsigned char *sha1)
{
- char *filename = sha1_file_name(sha1);
int ret;
/* If we were anal, we'd check that the sha1 of the contents actually matches */
- ret = access(filename, R_OK);
- if (ret)
- perror(filename);
- return ret;
+ ret = has_sha1_file(sha1);
+ if (ret == 0)
+ perror(sha1_file_name(sha1));
+ return ret ? 0 : -1;
}
static int write_tree(struct cache_entry **cachep, int maxentries, const char *base, int baselen, unsigned char *returnsha1)
sha1 = subdir_sha1;
}
- if (check_valid_sha1(sha1) < 0)
+ if (!missing_ok && check_valid_sha1(sha1) < 0)
exit(1);
entrylen = pathlen - baselen;
int main(int argc, char **argv)
{
- int i, unmerged;
+ int i, funny;
int entries = read_cache();
unsigned char sha1[20];
+
+ if (argc == 2) {
+ if (!strcmp(argv[1], "--missing-ok"))
+ missing_ok = 1;
+ else
+ die("unknown option %s", argv[1]);
+ }
+
+ if (argc > 2)
+ die("too many options");
if (entries < 0)
- die("write-tree: error reading cache");
+ die("git-write-tree: error reading cache");
/* Verify that the tree is merged */
- unmerged = 0;
+ funny = 0;
for (i = 0; i < entries; i++) {
struct cache_entry *ce = active_cache[i];
if (ntohs(ce->ce_flags) & ~CE_NAMEMASK) {
- if (++unmerged > 10) {
+ if (10 < ++funny) {
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");
+ if (funny)
+ die("git-write-tree: not able to write tree");
+
+ /* Also verify that the cache does not have path and path/file
+ * at the same time. At this point we know the cache has only
+ * stage 0 entries.
+ */
+ funny = 0;
+ for (i = 0; i < entries - 1; i++) {
+ /* path/file always comes after path because of the way
+ * the cache is sorted. Also path can appear only once,
+ * which means conflicting one would immediately follow.
+ */
+ const char *this_name = active_cache[i]->name;
+ const char *next_name = active_cache[i+1]->name;
+ int this_len = strlen(this_name);
+ if (this_len < strlen(next_name) &&
+ strncmp(this_name, next_name, this_len) == 0 &&
+ next_name[this_len] == '/') {
+ if (10 < ++funny) {
+ fprintf(stderr, "...\n");
+ break;
+ }
+ fprintf(stderr, "You have both %s and %s\n",
+ this_name, next_name);
+ }
+ }
+ if (funny)
+ die("git-write-tree: not able to write tree");
/* Ok, write it out */
if (write_tree(active_cache, entries, "", 0, sha1) != entries)
- die("write-tree: internal error");
+ die("git-write-tree: internal error");
printf("%s\n", sha1_to_hex(sha1));
return 0;
}