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![Linus Torvalds](/assets/img/avatar_default.png)
The "end" commit is just faking it right now, it's sorting things purely by date, so this is _not_ a reachability analysis. Some day. The "--header" flag causes the commit message to be printed out, with a NUL character separator after it for parseability. This allows you to do things like use "grep -z" to grep for certain authors etc.
80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
#include "cache.h"
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#include "commit.h"
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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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int main(int argc, char **argv)
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{
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int nr_sha;
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unsigned char sha1[2][20];
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struct commit_list *list = NULL;
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struct commit *commit, *end;
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int i, verbose_header = 0;
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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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nr_sha = 0;
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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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continue;
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}
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if (!strncmp(arg, "--max-age=", 10)) {
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max_age = atoi(arg + 10);
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continue;
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}
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if (!strncmp(arg, "--min-age=", 10)) {
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min_age = atoi(arg + 10);
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continue;
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}
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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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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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}
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if (!nr_sha)
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usage(rev_list_usage);
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commit = lookup_commit_reference(sha1[0]);
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if (!commit || parse_commit(commit) < 0)
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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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commit_list_insert(commit, &list);
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do {
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struct commit *commit = pop_most_recent_commit(&list, 0x1);
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if (commit == end)
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break;
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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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printf("%s\n", sha1_to_hex(commit->object.sha1));
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if (verbose_header)
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printf("%s%c", commit->buffer, 0);
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} while (list);
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return 0;
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}
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