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de239446b6
When doing a reflog walk, we use the commit's date to
do any date limiting. In earlier versions of Git, this could
lead to nonsense results, since a skipped commit would
truncate the traversal. So a sequence like:
git commit ...
git checkout week-old-branch
git checkout -
git log -g --since=1.day.ago
would stop at the week-old-branch, even though the "git
commit" entry further back is still interesting.
As of the prior commit, which uses a parent-less traversal
of the reflog, you get the whole reflog minus any commits
whose dates do not match the specified options. This is
arguably useful, as you could scan the reflogs for commits
that originated in a certain range.
But more likely a user doing a reflog walk wants to limit
based on the reflog entries themselves. You can simulate
--until with:
git log -g @{1.day.ago}
but there's no way to ask Git to traverse only back to a
certain date. E.g.:
# show me reflog entries from the past day
git log -g --since=1.day.ago
This patch teaches the revision machinery to prefer the
reflog entry dates to the commit dates when doing a reflog
walk. Technically this is a change in behavior that affects
plumbing, but the previous behavior was so buggy that it's
unlikely anyone was relying on it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
27 lines
918 B
C
27 lines
918 B
C
#ifndef REFLOG_WALK_H
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#define REFLOG_WALK_H
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#include "cache.h"
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struct reflog_walk_info;
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extern void init_reflog_walk(struct reflog_walk_info **info);
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extern int add_reflog_for_walk(struct reflog_walk_info *info,
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struct commit *commit, const char *name);
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extern void show_reflog_message(struct reflog_walk_info *info, int,
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const struct date_mode *, int force_date);
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extern void get_reflog_message(struct strbuf *sb,
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struct reflog_walk_info *reflog_info);
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extern const char *get_reflog_ident(struct reflog_walk_info *reflog_info);
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extern timestamp_t get_reflog_timestamp(struct reflog_walk_info *reflog_info);
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extern void get_reflog_selector(struct strbuf *sb,
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struct reflog_walk_info *reflog_info,
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const struct date_mode *dmode, int force_date,
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int shorten);
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extern int reflog_walk_empty(struct reflog_walk_info *walk);
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struct commit *next_reflog_entry(struct reflog_walk_info *reflog_info);
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#endif
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