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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2006-04-11 01:14:54 +00:00
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#include "diff.h"
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2006-02-26 00:19:46 +00:00
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#include "revision.h"
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2006-09-05 04:50:12 +00:00
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#include "list-objects.h"
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2006-05-18 21:19:20 +00:00
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#include "builtin.h"
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2007-10-22 05:47:56 +00:00
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#include "log-tree.h"
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2008-05-04 10:36:54 +00:00
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#include "graph.h"
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2009-03-26 04:55:24 +00:00
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#include "bisect.h"
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2005-05-31 01:46:32 +00:00
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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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2008-07-13 13:36:15 +00:00
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"git rev-list [OPTION] <commit-id>... [ -- paths... ]\n"
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2005-10-30 09:03:45 +00:00
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" limiting output:\n"
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2010-10-08 17:31:15 +00:00
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" --max-count=<n>\n"
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" --max-age=<epoch>\n"
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" --min-age=<epoch>\n"
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2005-10-30 09:03:45 +00:00
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" --sparse\n"
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" --no-merges\n"
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2011-03-21 10:14:06 +00:00
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" --min-parents=<n>\n"
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" --no-min-parents\n"
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" --max-parents=<n>\n"
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" --no-max-parents\n"
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2006-01-27 09:39:24 +00:00
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" --remove-empty\n"
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2005-10-30 09:03:45 +00:00
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" --all\n"
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2008-02-28 07:24:25 +00:00
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" --branches\n"
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" --tags\n"
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" --remotes\n"
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2006-09-06 04:39:02 +00:00
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" --stdin\n"
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2007-11-11 07:29:41 +00:00
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" --quiet\n"
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2005-10-30 09:03:45 +00:00
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" ordering output:\n"
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" --topo-order\n"
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2006-02-16 06:05:33 +00:00
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" --date-order\n"
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2008-03-19 06:16:28 +00:00
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" --reverse\n"
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2005-10-30 09:03:45 +00:00
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" formatting output:\n"
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" --parents\n"
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2008-04-04 06:01:47 +00:00
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" --children\n"
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2006-02-19 11:32:31 +00:00
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" --objects | --objects-edge\n"
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2005-10-30 09:03:45 +00:00
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" --unpacked\n"
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" --header | --pretty\n"
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2010-10-08 17:31:15 +00:00
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" --abbrev=<n> | --no-abbrev\n"
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2006-04-07 04:32:36 +00:00
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" --abbrev-commit\n"
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2007-04-05 14:53:07 +00:00
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" --left-right\n"
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2005-10-30 09:03:45 +00:00
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" special purpose:\n"
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2007-03-22 05:15:54 +00:00
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" --bisect\n"
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2007-10-22 05:47:56 +00:00
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" --bisect-vars\n"
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" --bisect-all"
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2005-10-30 09:03:45 +00:00
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;
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2005-05-26 01:29:09 +00:00
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2009-04-06 19:28:36 +00:00
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static void finish_commit(struct commit *commit, void *data);
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static void show_commit(struct commit *commit, void *data)
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2005-06-02 16:19:53 +00:00
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{
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2009-04-06 20:28:00 +00:00
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struct rev_list_info *info = data;
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struct rev_info *revs = info->revs;
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2009-04-06 19:28:36 +00:00
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2012-02-28 14:00:00 +00:00
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if (info->flags & REV_LIST_QUIET) {
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finish_commit(commit, data);
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return;
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}
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2009-04-06 19:28:36 +00:00
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graph_show_commit(revs->graph);
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2008-05-04 10:36:54 +00:00
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2010-06-10 11:47:23 +00:00
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if (revs->count) {
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2011-04-26 08:24:29 +00:00
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if (commit->object.flags & PATCHSAME)
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revs->count_same++;
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else if (commit->object.flags & SYMMETRIC_LEFT)
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2010-06-10 11:47:23 +00:00
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revs->count_left++;
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else
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revs->count_right++;
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finish_commit(commit, data);
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return;
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}
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2009-04-06 20:28:00 +00:00
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if (info->show_timestamp)
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2006-03-22 08:22:00 +00:00
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printf("%lu ", commit->date);
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2009-04-06 20:28:00 +00:00
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if (info->header_prefix)
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fputs(info->header_prefix, stdout);
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2008-05-25 07:07:21 +00:00
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2011-03-07 12:31:39 +00:00
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if (!revs->graph)
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fputs(get_revision_mark(revs, commit), stdout);
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2009-04-06 19:28:36 +00:00
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if (revs->abbrev_commit && revs->abbrev)
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fputs(find_unique_abbrev(commit->object.sha1, revs->abbrev),
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2006-04-16 06:48:27 +00:00
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stdout);
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2006-04-07 04:32:36 +00:00
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else
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fputs(sha1_to_hex(commit->object.sha1), stdout);
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2009-04-06 19:28:36 +00:00
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if (revs->print_parents) {
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2005-06-02 16:19:53 +00:00
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struct commit_list *parents = commit->parents;
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while (parents) {
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2007-07-09 02:05:31 +00:00
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printf(" %s", sha1_to_hex(parents->item->object.sha1));
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2005-06-02 16:19:53 +00:00
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parents = parents->next;
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}
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}
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2009-04-06 19:28:36 +00:00
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if (revs->children.name) {
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2008-04-04 06:01:47 +00:00
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struct commit_list *children;
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2009-04-06 19:28:36 +00:00
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children = lookup_decoration(&revs->children, &commit->object);
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2008-04-04 06:01:47 +00:00
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while (children) {
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printf(" %s", sha1_to_hex(children->item->object.sha1));
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children = children->next;
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}
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}
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2009-04-06 19:28:36 +00:00
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show_decorations(revs, commit);
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if (revs->commit_format == CMIT_FMT_ONELINE)
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2005-08-09 05:15:40 +00:00
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putchar(' ');
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else
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putchar('\n');
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2009-04-06 19:28:36 +00:00
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if (revs->verbose_header && commit->buffer) {
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2008-10-09 19:12:12 +00:00
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struct strbuf buf = STRBUF_INIT;
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2009-10-19 15:48:08 +00:00
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struct pretty_print_context ctx = {0};
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ctx.abbrev = revs->abbrev;
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ctx.date_mode = revs->date_mode;
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log: respect date_mode_explicit with --format:%gd
When we show a reflog selector (e.g., via "git log -g"), we
perform some DWIM magic: while we normally show the entry's
index (e.g., HEAD@{1}), if the user has given us a date
with "--date", then we show a date-based select (e.g.,
HEAD@{yesterday}).
However, we don't want to trigger this magic if the
alternate date format we got was from the "log.date"
configuration; that is not sufficiently strong context for
us to invoke this particular magic. To fix this, commit
f4ea32f (improve reflog date/number heuristic, 2009-09-24)
introduced a "date_mode_explicit" flag in rev_info. This
flag is set only when we see a "--date" option on the
command line, and we a vanilla date to the reflog code if
the date was not explicit.
Later, commit 8f8f547 (Introduce new pretty formats %g[sdD]
for reflog information, 2009-10-19) added another way to
show selectors, and it did not respect the date_mode_explicit
flag from f4ea32f.
This patch propagates the date_mode_explicit flag to the
pretty-print code, which can then use it to pass the
appropriate date field to the reflog code. This brings the
behavior of "%gd" in line with the other formats, and means
that its output is independent of any user configuration.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-04 05:25:18 +00:00
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ctx.date_mode_explicit = revs->date_mode_explicit;
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2011-05-26 22:27:49 +00:00
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ctx.fmt = revs->commit_format;
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2013-06-26 10:19:50 +00:00
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ctx.output_encoding = get_log_output_encoding();
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2011-05-26 22:27:49 +00:00
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pretty_print_commit(&ctx, commit, &buf);
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2009-04-06 19:28:36 +00:00
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if (revs->graph) {
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2008-05-04 10:36:54 +00:00
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if (buf.len) {
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2009-04-06 19:28:36 +00:00
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if (revs->commit_format != CMIT_FMT_ONELINE)
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graph_show_oneline(revs->graph);
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2008-05-04 10:36:54 +00:00
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2009-04-06 19:28:36 +00:00
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graph_show_commit_msg(revs->graph, &buf);
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2008-05-04 10:36:54 +00:00
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/*
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* Add a newline after the commit message.
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*
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* Usually, this newline produces a blank
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* padding line between entries, in which case
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* we need to add graph padding on this line.
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*
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* However, the commit message may not end in a
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* newline. In this case the newline simply
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* ends the last line of the commit message,
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* and we don't need any graph output. (This
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* always happens with CMIT_FMT_ONELINE, and it
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* happens with CMIT_FMT_USERFORMAT when the
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* format doesn't explicitly end in a newline.)
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*/
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if (buf.len && buf.buf[buf.len - 1] == '\n')
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2009-04-06 19:28:36 +00:00
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graph_show_padding(revs->graph);
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2008-05-04 10:36:54 +00:00
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putchar('\n');
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} else {
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/*
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* If the message buffer is empty, just show
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* the rest of the graph output for this
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* commit.
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*/
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2009-04-06 19:28:36 +00:00
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if (graph_show_remainder(revs->graph))
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2008-05-04 10:36:54 +00:00
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putchar('\n');
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2010-03-21 14:40:16 +00:00
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if (revs->commit_format == CMIT_FMT_ONELINE)
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putchar('\n');
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2008-05-04 10:36:54 +00:00
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}
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} else {
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2010-03-21 14:40:16 +00:00
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if (revs->commit_format != CMIT_FMT_USERFORMAT ||
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2010-10-07 18:25:43 +00:00
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buf.len) {
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fwrite(buf.buf, 1, buf.len, stdout);
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putchar(info->hdr_termination);
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}
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2008-05-04 10:36:54 +00:00
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}
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2007-09-10 10:35:06 +00:00
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strbuf_release(&buf);
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2008-05-04 10:36:54 +00:00
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} else {
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2009-04-06 19:28:36 +00:00
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if (graph_show_remainder(revs->graph))
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2008-05-04 10:36:54 +00:00
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putchar('\n');
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2005-07-04 23:36:48 +00:00
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}
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2007-06-29 17:40:46 +00:00
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maybe_flush_or_die(stdout, "stdout");
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2009-04-06 19:28:36 +00:00
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finish_commit(commit, data);
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2007-11-11 07:29:41 +00:00
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}
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2009-04-06 19:28:36 +00:00
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static void finish_commit(struct commit *commit, void *data)
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2007-11-11 07:29:41 +00:00
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{
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2006-06-18 01:47:58 +00:00
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if (commit->parents) {
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free_commit_list(commit->parents);
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commit->parents = NULL;
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}
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2006-08-28 04:19:39 +00:00
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free(commit->buffer);
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commit->buffer = NULL;
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2005-06-06 15:39:40 +00:00
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}
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2011-09-01 22:43:33 +00:00
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static void finish_object(struct object *obj,
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const struct name_path *path, const char *name,
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void *cb_data)
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2007-11-11 07:29:41 +00:00
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{
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2012-02-28 14:00:00 +00:00
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struct rev_list_info *info = cb_data;
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process_{tree,blob}: show objects without buffering
Here's a less trivial thing, and slightly more dubious one.
I was looking at that "struct object_array objects", and wondering why we
do that. I have honestly totally forgotten. Why not just call the "show()"
function as we encounter the objects? Rather than add the objects to the
object_array, and then at the very end going through the array and doing a
'show' on all, just do things more incrementally.
Now, there are possible downsides to this:
- the "buffer using object_array" _can_ in theory result in at least
better I-cache usage (two tight loops rather than one more spread out
one). I don't think this is a real issue, but in theory..
- this _does_ change the order of the objects printed. Instead of doing a
"process_tree(revs, commit->tree, &objects, NULL, "");" in the loop
over the commits (which puts all the root trees _first_ in the object
list, this patch just adds them to the list of pending objects, and
then we'll traverse them in that order (and thus show each root tree
object together with the objects we discover under it)
I _think_ the new ordering actually makes more sense, but the object
ordering is actually a subtle thing when it comes to packing
efficiency, so any change in order is going to have implications for
packing. Good or bad, I dunno.
- There may be some reason why we did it that odd way with the object
array, that I have simply forgotten.
Anyway, now that we don't buffer up the objects before showing them
that may actually result in lower memory usage during that whole
traverse_commit_list() phase.
This is seriously not very deeply tested. It makes sense to me, it seems
to pass all the tests, it looks ok, but...
Does anybody remember why we did that "object_array" thing? It used to be
an "object_list" a long long time ago, but got changed into the array due
to better memory usage patterns (those linked lists of obejcts are
horrible from a memory allocation standpoint). But I wonder why we didn't
do this back then. Maybe there's a reason for it.
Or maybe there _used_ to be a reason, and no longer is.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-11 00:27:58 +00:00
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if (obj->type == OBJ_BLOB && !has_sha1_file(obj->sha1))
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die("missing blob object '%s'", sha1_to_hex(obj->sha1));
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2012-02-28 14:00:00 +00:00
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if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
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parse_object(obj->sha1);
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2007-11-11 07:29:41 +00:00
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}
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2011-09-01 22:43:33 +00:00
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static void show_object(struct object *obj,
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const struct name_path *path, const char *component,
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void *cb_data)
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2005-06-25 05:56:58 +00:00
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{
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2012-02-13 20:17:11 +00:00
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struct rev_list_info *info = cb_data;
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2011-09-01 22:43:33 +00:00
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finish_object(obj, path, component, cb_data);
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2012-02-28 14:00:00 +00:00
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if (info->flags & REV_LIST_QUIET)
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return;
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2011-08-17 21:30:34 +00:00
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show_object_with_name(stdout, obj, path, component);
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2005-06-25 05:56:58 +00:00
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}
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2006-09-06 08:42:23 +00:00
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static void show_edge(struct commit *commit)
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{
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printf("-%s\n", sha1_to_hex(commit->object.sha1));
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}
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2009-04-21 05:54:10 +00:00
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static void print_var_str(const char *var, const char *val)
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2009-04-19 09:55:43 +00:00
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{
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2009-04-21 05:54:10 +00:00
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printf("%s='%s'\n", var, val);
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2009-04-19 09:55:43 +00:00
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}
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2009-04-21 05:54:10 +00:00
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static void print_var_int(const char *var, int val)
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2009-04-19 09:55:43 +00:00
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{
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2009-04-21 05:54:10 +00:00
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printf("%s=%d\n", var, val);
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2009-04-19 09:55:43 +00:00
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}
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2010-01-12 06:21:18 +00:00
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static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
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2009-03-26 04:55:30 +00:00
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{
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2012-02-28 14:00:00 +00:00
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int cnt, flags = info->flags;
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2009-04-19 09:55:43 +00:00
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char hex[41] = "";
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2009-03-26 04:55:49 +00:00
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struct commit_list *tried;
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2009-04-06 20:28:00 +00:00
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struct rev_info *revs = info->revs;
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2009-03-26 04:55:30 +00:00
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2012-02-28 13:59:59 +00:00
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if (!revs->commits)
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2009-03-26 04:55:30 +00:00
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return 1;
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2009-06-06 04:41:33 +00:00
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revs->commits = filter_skipped(revs->commits, &tried,
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flags & BISECT_SHOW_ALL,
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NULL, NULL);
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2009-03-26 04:55:49 +00:00
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2009-03-26 04:55:30 +00:00
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/*
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2009-03-26 04:55:41 +00:00
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* revs->commits can reach "reaches" commits among
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2009-03-26 04:55:30 +00:00
|
|
|
* "all" commits. If it is good, then there are
|
|
|
|
* (all-reaches) commits left to be bisected.
|
|
|
|
* On the other hand, if it is bad, then the set
|
|
|
|
* to bisect is "reaches".
|
|
|
|
* A bisect set of size N has (N-1) commits further
|
|
|
|
* to test, as we already know one bad one.
|
|
|
|
*/
|
|
|
|
cnt = all - reaches;
|
|
|
|
if (cnt < reaches)
|
|
|
|
cnt = reaches;
|
2009-03-26 04:55:35 +00:00
|
|
|
|
2009-03-26 04:55:49 +00:00
|
|
|
if (revs->commits)
|
|
|
|
strcpy(hex, sha1_to_hex(revs->commits->item->object.sha1));
|
2009-03-26 04:55:30 +00:00
|
|
|
|
2009-03-29 09:55:43 +00:00
|
|
|
if (flags & BISECT_SHOW_ALL) {
|
2009-04-06 20:28:00 +00:00
|
|
|
traverse_commit_list(revs, show_commit, show_object, info);
|
2009-03-26 04:55:30 +00:00
|
|
|
printf("------\n");
|
|
|
|
}
|
|
|
|
|
2009-04-21 05:54:10 +00:00
|
|
|
print_var_str("bisect_rev", hex);
|
|
|
|
print_var_int("bisect_nr", cnt - 1);
|
|
|
|
print_var_int("bisect_good", all - reaches - 1);
|
|
|
|
print_var_int("bisect_bad", reaches - 1);
|
|
|
|
print_var_int("bisect_all", all);
|
|
|
|
print_var_int("bisect_steps", estimate_bisect_steps(all));
|
2009-03-26 04:55:30 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2006-07-29 05:44:25 +00:00
|
|
|
int cmd_rev_list(int argc, const char **argv, const char *prefix)
|
2005-04-24 02:04:40 +00:00
|
|
|
{
|
2009-04-06 19:28:36 +00:00
|
|
|
struct rev_info revs;
|
2009-04-06 20:28:00 +00:00
|
|
|
struct rev_list_info info;
|
2006-02-27 16:54:36 +00:00
|
|
|
int i;
|
2009-03-26 04:55:17 +00:00
|
|
|
int bisect_list = 0;
|
2007-03-22 05:15:54 +00:00
|
|
|
int bisect_show_vars = 0;
|
2007-10-22 05:47:56 +00:00
|
|
|
int bisect_find_all = 0;
|
2005-04-24 02:04:40 +00:00
|
|
|
|
2008-05-14 17:46:53 +00:00
|
|
|
git_config(git_default_config, NULL);
|
2006-07-29 05:44:25 +00:00
|
|
|
init_revisions(&revs, prefix);
|
2010-03-22 13:36:30 +00:00
|
|
|
revs.abbrev = DEFAULT_ABBREV;
|
2006-04-16 06:48:27 +00:00
|
|
|
revs.commit_format = CMIT_FMT_UNSPECIFIED;
|
2006-02-28 19:24:00 +00:00
|
|
|
argc = setup_revisions(argc, argv, &revs, NULL);
|
2006-02-26 00:19:46 +00:00
|
|
|
|
2009-04-06 20:28:00 +00:00
|
|
|
memset(&info, 0, sizeof(info));
|
|
|
|
info.revs = &revs;
|
2009-10-27 18:28:07 +00:00
|
|
|
if (revs.bisect)
|
|
|
|
bisect_list = 1;
|
2009-04-06 20:28:00 +00:00
|
|
|
|
2012-02-28 14:00:00 +00:00
|
|
|
if (DIFF_OPT_TST(&revs.diffopt, QUICK))
|
|
|
|
info.flags |= REV_LIST_QUIET;
|
2005-05-06 08:00:11 +00:00
|
|
|
for (i = 1 ; i < argc; i++) {
|
2005-10-21 04:25:09 +00:00
|
|
|
const char *arg = argv[i];
|
2005-05-06 08:00:11 +00:00
|
|
|
|
2005-05-26 01:29:09 +00:00
|
|
|
if (!strcmp(arg, "--header")) {
|
2006-04-16 06:48:27 +00:00
|
|
|
revs.verbose_header = 1;
|
2005-06-01 15:42:22 +00:00
|
|
|
continue;
|
|
|
|
}
|
2006-03-22 08:22:00 +00:00
|
|
|
if (!strcmp(arg, "--timestamp")) {
|
2009-04-06 20:28:00 +00:00
|
|
|
info.show_timestamp = 1;
|
2006-03-22 08:22:00 +00:00
|
|
|
continue;
|
|
|
|
}
|
2005-06-18 05:54:50 +00:00
|
|
|
if (!strcmp(arg, "--bisect")) {
|
|
|
|
bisect_list = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2007-10-22 05:47:56 +00:00
|
|
|
if (!strcmp(arg, "--bisect-all")) {
|
|
|
|
bisect_list = 1;
|
|
|
|
bisect_find_all = 1;
|
2012-02-28 14:00:00 +00:00
|
|
|
info.flags |= BISECT_SHOW_ALL;
|
2009-02-08 14:54:47 +00:00
|
|
|
revs.show_decorations = 1;
|
2007-10-22 05:47:56 +00:00
|
|
|
continue;
|
|
|
|
}
|
2007-03-22 05:15:54 +00:00
|
|
|
if (!strcmp(arg, "--bisect-vars")) {
|
|
|
|
bisect_list = 1;
|
|
|
|
bisect_show_vars = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2006-02-26 00:19:46 +00:00
|
|
|
usage(rev_list_usage);
|
2005-05-26 01:29:09 +00:00
|
|
|
|
2005-05-06 08:00:11 +00:00
|
|
|
}
|
2006-04-16 06:48:27 +00:00
|
|
|
if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
|
|
|
|
/* The command line has a --pretty */
|
2009-04-06 20:28:00 +00:00
|
|
|
info.hdr_termination = '\n';
|
2006-04-16 06:48:27 +00:00
|
|
|
if (revs.commit_format == CMIT_FMT_ONELINE)
|
2009-04-06 20:28:00 +00:00
|
|
|
info.header_prefix = "";
|
2006-04-16 06:48:27 +00:00
|
|
|
else
|
2009-04-06 20:28:00 +00:00
|
|
|
info.header_prefix = "commit ";
|
2006-04-16 06:48:27 +00:00
|
|
|
}
|
2006-04-17 19:42:36 +00:00
|
|
|
else if (revs.verbose_header)
|
|
|
|
/* Only --header was specified */
|
|
|
|
revs.commit_format = CMIT_FMT_RAW;
|
2005-05-06 08:00:11 +00:00
|
|
|
|
2009-04-06 20:28:00 +00:00
|
|
|
if ((!revs.commits &&
|
2006-04-15 05:43:34 +00:00
|
|
|
(!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
|
Add "named object array" concept
We've had this notion of a "object_list" for a long time, which eventually
grew a "name" member because some users (notably git-rev-list) wanted to
name each object as it is generated.
That object_list is great for some things, but it isn't all that wonderful
for others, and the "name" member is generally not used by everybody.
This patch splits the users of the object_list array up into two: the
traditional list users, who want the list-like format, and who don't
actually use or want the name. And another class of users that really used
the list as an extensible array, and generally wanted to name the objects.
The patch is fairly straightforward, but it's also biggish. Most of it
really just cleans things up: switching the revision parsing and listing
over to the array makes things like the builtin-diff usage much simpler
(we now see exactly how many members the array has, and we don't get the
objects reversed from the order they were on the command line).
One of the main reasons for doing this at all is that the malloc overhead
of the simple object list was actually pretty high, and the array is just
a lot denser. So this patch brings down memory usage by git-rev-list by
just under 3% (on top of all the other memory use optimizations) on the
mozilla archive.
It does add more lines than it removes, and more importantly, it adds a
whole new infrastructure for maintaining lists of objects, but on the
other hand, the new dynamic array code is pretty obvious. The change to
builtin-diff-tree.c shows a fairly good example of why an array interface
is sometimes more natural, and just much simpler for everybody.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-06-20 00:42:35 +00:00
|
|
|
!revs.pending.nr)) ||
|
2006-04-15 05:43:34 +00:00
|
|
|
revs.diff)
|
2005-10-25 22:24:55 +00:00
|
|
|
usage(rev_list_usage);
|
|
|
|
|
"log --author=me --grep=it" should find intersection, not union
Historically, any grep filter in "git log" family of commands were taken
as restricting to commits with any of the words in the commit log message.
However, the user almost always want to find commits "done by this person
on that topic". With "--all-match" option, a series of grep patterns can
be turned into a requirement that all of them must produce a match, but
that makes it impossible to ask for "done by me, on either this or that"
with:
log --author=me --committer=him --grep=this --grep=that
because it will require both "this" and "that" to appear.
Change the "header" parser of grep library to treat the headers specially,
and parse it as:
(all-match-OR (HEADER-AUTHOR me)
(HEADER-COMMITTER him)
(OR
(PATTERN this)
(PATTERN that) ) )
Even though the "log" command line parser doesn't give direct access to
the extended grep syntax to group terms with parentheses, this change will
cover the majority of the case the users would want.
This incidentally revealed that one test in t7002 was bogus. It ran:
log --author=Thor --grep=Thu --format='%s'
and expected (wrongly) "Thu" to match "Thursday" in the author/committer
date, but that would never match, as the timestamp in raw commit buffer
does not have the name of the day-of-the-week.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-18 04:09:06 +00:00
|
|
|
save_commit_buffer = (revs.verbose_header ||
|
|
|
|
revs.grep_filter.pattern_list ||
|
|
|
|
revs.grep_filter.header_list);
|
rev-list --bisect: limit list before bisecting.
I noticed bisect does not work well without both good and bad.
Running this script in git.git repository would give you quite
different results:
#!/bin/sh
initial=e83c5163316f89bfbde7d9ab23ca2e25604af290
mid0=`git rev-list --bisect ^$initial --all`
git rev-list $mid0 | wc -l
git rev-list ^$mid0 --all | wc -l
mid1=`git rev-list --bisect --all`
git rev-list $mid1 | wc -l
git rev-list ^$mid1 --all | wc -l
The $initial commit is the very first commit you made. The
first midpoint bisects things evenly as designed, but the latter
does not.
The reason I got interested in this was because I was wondering
if something like the following would help people converting a
huge repository from foreign SCM, or preparing a repository to
be fetched over plain dumb HTTP only:
#!/bin/sh
N=4
P=.git/objects/pack
bottom=
while test 0 \< $N
do
N=$((N-1))
if test -z "$bottom"
then
newbottom=`git rev-list --bisect --all`
else
newbottom=`git rev-list --bisect ^$bottom --all`
fi
if test -z "$bottom"
then
rev_list="$newbottom"
elif test 0 = $N
then
rev_list="^$bottom --all"
else
rev_list="^$bottom $newbottom"
fi
p=$(git rev-list --unpacked --objects $rev_list |
git pack-objects $P/pack)
git show-index <$P/pack-$p.idx | wc -l
bottom=$newbottom
done
The idea is to pack older half of the history to one pack, then
older half of the remaining history to another, to continue a
few times, using finer granularity as we get closer to the tip.
This may not matter, since for a truly huge history, running
bisect number of times could be quite time consuming, and we
might be better off running "git rev-list --all" once into a
temporary file, and manually pick cut-off points from the
resulting list of commits. After all we are talking about
"approximately half" for such an usage, and older history does
not matter much.
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-04-14 22:57:32 +00:00
|
|
|
if (bisect_list)
|
|
|
|
revs.limited = 1;
|
2006-03-29 01:28:04 +00:00
|
|
|
|
2008-02-18 07:31:56 +00:00
|
|
|
if (prepare_revision_walk(&revs))
|
|
|
|
die("revision walk setup failed");
|
2006-02-28 19:24:00 +00:00
|
|
|
if (revs.tree_objects)
|
2006-09-06 08:42:23 +00:00
|
|
|
mark_edges_uninteresting(revs.commits, &revs, show_edge);
|
2006-02-28 19:24:00 +00:00
|
|
|
|
2007-03-22 05:15:54 +00:00
|
|
|
if (bisect_list) {
|
|
|
|
int reaches = reaches, all = all;
|
|
|
|
|
2007-10-22 05:47:56 +00:00
|
|
|
revs.commits = find_bisection(revs.commits, &reaches, &all,
|
|
|
|
bisect_find_all);
|
2009-03-26 04:55:49 +00:00
|
|
|
|
2009-03-26 04:55:30 +00:00
|
|
|
if (bisect_show_vars)
|
2009-04-07 03:08:42 +00:00
|
|
|
return show_bisect_vars(&info, reaches, all);
|
2007-03-22 05:15:54 +00:00
|
|
|
}
|
2005-10-25 22:24:55 +00:00
|
|
|
|
2012-02-28 14:00:00 +00:00
|
|
|
traverse_commit_list(&revs, show_commit, show_object, &info);
|
2005-05-31 01:46:32 +00:00
|
|
|
|
2010-06-10 11:47:23 +00:00
|
|
|
if (revs.count) {
|
2011-04-26 08:24:29 +00:00
|
|
|
if (revs.left_right && revs.cherry_mark)
|
|
|
|
printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
|
|
|
|
else if (revs.left_right)
|
2010-06-10 11:47:23 +00:00
|
|
|
printf("%d\t%d\n", revs.count_left, revs.count_right);
|
2011-04-26 08:24:29 +00:00
|
|
|
else if (revs.cherry_mark)
|
|
|
|
printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
|
2010-06-10 11:47:23 +00:00
|
|
|
else
|
|
|
|
printf("%d\n", revs.count_left + revs.count_right);
|
|
|
|
}
|
|
|
|
|
2005-04-24 02:04:40 +00:00
|
|
|
return 0;
|
|
|
|
}
|