2005-04-24 02:04:40 +00:00
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#include "cache.h"
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#include "commit.h"
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2005-05-31 01:46:32 +00:00
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#define SEEN (1u << 0)
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#define INTERESTING (1u << 1)
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#define UNINTERESTING (1u << 2)
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2005-05-26 01:29:09 +00:00
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static const char rev_list_usage[] =
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"usage: git-rev-list [OPTION] commit-id <commit-id>\n"
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" --max-count=nr\n"
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" --max-age=epoch\n"
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" --min-age=epoch\n"
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" --header";
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2005-05-31 01:46:32 +00:00
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static void mark_parents_uninteresting(struct commit *commit)
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{
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struct commit_list *parents = commit->parents;
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while (parents) {
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struct commit *commit = parents->item;
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commit->object.flags |= UNINTERESTING;
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parents = parents->next;
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}
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}
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static int everybody_uninteresting(struct commit_list *list)
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{
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while (list) {
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struct commit *commit = list->item;
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list = list->next;
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if (commit->object.flags & UNINTERESTING)
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continue;
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return 0;
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}
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return 1;
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}
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2005-04-24 02:04:40 +00:00
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int main(int argc, char **argv)
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{
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2005-05-26 01:29:09 +00:00
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int nr_sha;
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unsigned char sha1[2][20];
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2005-04-24 02:04:40 +00:00
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struct commit_list *list = NULL;
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2005-05-26 01:29:09 +00:00
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struct commit *commit, *end;
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2005-05-31 02:30:07 +00:00
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int i, verbose_header = 0, show_parents = 0;
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2005-05-06 08:00:11 +00:00
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unsigned long max_age = -1;
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unsigned long min_age = -1;
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int max_count = -1;
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2005-04-24 02:04:40 +00:00
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2005-05-26 01:29:09 +00:00
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nr_sha = 0;
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2005-05-06 08:00:11 +00:00
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for (i = 1 ; i < argc; i++) {
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char *arg = argv[i];
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if (!strncmp(arg, "--max-count=", 12)) {
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max_count = atoi(arg + 12);
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2005-05-26 01:29:09 +00:00
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continue;
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}
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if (!strncmp(arg, "--max-age=", 10)) {
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2005-05-06 08:00:11 +00:00
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max_age = atoi(arg + 10);
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2005-05-26 01:29:09 +00:00
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continue;
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}
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if (!strncmp(arg, "--min-age=", 10)) {
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2005-05-06 08:00:11 +00:00
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min_age = atoi(arg + 10);
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2005-05-26 01:29:09 +00:00
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continue;
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2005-05-06 08:00:11 +00:00
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}
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2005-05-26 01:29:09 +00:00
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if (!strcmp(arg, "--header")) {
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verbose_header = 1;
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continue;
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}
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2005-05-31 02:30:07 +00:00
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if (!strcmp(arg, "--parents")) {
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show_parents = 1;
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continue;
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}
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2005-05-26 01:29:09 +00:00
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if (nr_sha > 2 || get_sha1(arg, sha1[nr_sha]))
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usage(rev_list_usage);
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nr_sha++;
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2005-05-06 08:00:11 +00:00
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}
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2005-05-26 01:29:09 +00:00
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if (!nr_sha)
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usage(rev_list_usage);
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2005-04-24 02:04:40 +00:00
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2005-05-26 01:29:09 +00:00
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commit = lookup_commit_reference(sha1[0]);
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2005-04-24 02:04:40 +00:00
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if (!commit || parse_commit(commit) < 0)
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2005-05-26 01:29:09 +00:00
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die("bad starting commit object");
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end = NULL;
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if (nr_sha > 1) {
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end = lookup_commit_reference(sha1[1]);
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if (!end || parse_commit(end) < 0)
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die("bad ending commit object");
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}
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2005-04-24 02:04:40 +00:00
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commit_list_insert(commit, &list);
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2005-05-31 01:46:32 +00:00
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if (end) {
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struct commit_list *newlist = NULL;
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struct commit_list **p = &newlist;
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do {
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struct commit *commit = pop_most_recent_commit(&list, SEEN);
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struct object *obj = &commit->object;
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2005-05-06 08:00:11 +00:00
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2005-05-31 01:46:32 +00:00
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if (commit == end || (obj->flags & UNINTERESTING)) {
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mark_parents_uninteresting(commit);
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if (everybody_uninteresting(list))
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break;
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continue;
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}
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p = &commit_list_insert(commit, p)->next;
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} while (list);
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list = newlist;
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}
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while (list) {
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struct commit *commit = pop_most_recent_commit(&list, SEEN);
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if (commit->object.flags & UNINTERESTING)
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continue;
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2005-05-06 08:00:11 +00:00
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if (min_age != -1 && (commit->date > min_age))
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continue;
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if (max_age != -1 && (commit->date < max_age))
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break;
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if (max_count != -1 && !max_count--)
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break;
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2005-05-31 02:30:07 +00:00
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printf("%s", sha1_to_hex(commit->object.sha1));
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if (show_parents) {
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struct commit_list *parents = commit->parents;
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while (parents) {
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printf(" %s", sha1_to_hex(parents->item->object.sha1));
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parents = parents->next;
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}
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}
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putchar('\n');
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2005-05-26 01:29:09 +00:00
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if (verbose_header)
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printf("%s%c", commit->buffer, 0);
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2005-05-31 01:46:32 +00:00
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}
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2005-04-24 02:04:40 +00:00
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return 0;
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}
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