-#define _XOPEN_SOURCE /* glibc2 needs this */
-#define _BSD_SOURCE /* for tm.tm_gmtoff */
-#include <time.h>
-#include <ctype.h>
-
#include "cache.h"
#include "commit.h"
* this commit <N>" bitmask.
*/
#define MAX_COMMITS 16
+#define REACHABLE (1U << 16)
+
+#define cmit_flags(cmit) ((cmit)->object.flags & ~REACHABLE)
static int show_edges = 0;
static int basemask = 0;
*/
static int interesting(struct commit *rev)
{
- unsigned mask = rev->object.flags;
+ unsigned mask = cmit_flags(rev);
if (!mask)
return 0;
if (show_edges) {
struct commit_list *p = rev->parents;
while (p) {
- if (mask != p->item->object.flags)
+ if (mask != cmit_flags(p->item))
return 1;
p = p->next;
}
return 1;
}
-void process_commit(unsigned char *sha1)
-{
- struct commit_list *parents;
- struct commit *obj = lookup_commit(sha1);
-
- if (obj->object.parsed)
- return;
-
- parse_commit(obj);
-
- parents = obj->parents;
- while (parents) {
- process_commit(parents->item->object.sha1);
- parents = parents->next;
- }
-}
-
/*
- * Usage: rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id2>]
+ * Usage: git-rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id2>]
*
* The cache-file can be quite important for big trees. This is an
* expensive operation if you have to walk the whole chain of
int i;
int nr = 0;
unsigned char sha1[MAX_COMMITS][20];
+ struct commit_list *list = NULL;
/*
* First - pick up all the revisions we can (both from
*/
for (i = 1; i < argc ; i++) {
char *arg = argv[i];
+ struct commit *commit;
if (!strcmp(arg, "--cache")) {
- read_cache_file(argv[2]);
- i++;
+ read_cache_file(argv[++i]);
continue;
}
arg++;
basemask |= 1<<nr;
}
- if (nr >= MAX_COMMITS || get_sha1_hex(arg, sha1[nr]))
- usage("rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id>]");
- process_commit(sha1[nr]);
+ if (nr >= MAX_COMMITS || get_sha1(arg, sha1[nr]))
+ usage("git-rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id>]");
+
+ commit = lookup_commit_reference(sha1[nr]);
+ if (!commit || parse_commit(commit) < 0)
+ die("bad commit object");
+ commit_list_insert(commit, &list);
nr++;
}
+ /*
+ * Parse all the commits in date order.
+ *
+ * We really should stop once we know enough, but that's a
+ * decision that isn't trivial to make.
+ */
+ while (list)
+ pop_most_recent_commit(&list, REACHABLE);
+
/*
* Now we have the maximal tree. Walk the different sha files back to the root.
*/
for (i = 0; i < nr; i++)
- mark_reachable(&lookup_commit(sha1[i])->object, 1 << i);
+ mark_reachable(&lookup_commit_reference(sha1[i])->object, 1 << i);
/*
* Now print out the results..
if (!interesting(commit))
continue;
- printf("%lu %s:%d", commit->date, sha1_to_hex(obj->sha1),
- obj->flags);
+ printf("%lu %s:%d", commit->date, sha1_to_hex(obj->sha1),
+ cmit_flags(commit));
p = commit->parents;
while (p) {
printf(" %s:%d", sha1_to_hex(p->item->object.sha1),
- p->item->object.flags);
+ cmit_flags(p->item));
p = p->next;
}
printf("\n");