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406 git-reflog(
1) Manual Page
409 <div class=
"sectionbody">
411 Manage reflog information
415 <h2 id=
"_synopsis">SYNOPSIS
</h2>
416 <div class=
"sectionbody">
417 <div class=
"paragraph"><p><em>git reflog
</em> <subcommand
> <options
></p></div>
419 <h2 id=
"_description">DESCRIPTION
</h2>
420 <div class=
"sectionbody">
421 <div class=
"paragraph"><p>The command takes various subcommands, and different options
422 depending on the subcommand:
</p></div>
423 <div class=
"verseblock">
424 <div class=
"verseblock-content"><em>git reflog expire
</em> [--dry-run] [--stale-fix] [--verbose]
425 [--expire=
<time
>] [--expire-unreachable=
<time
>] [--all]
<refs
>…
426 <em>git reflog delete
</em> ref@{specifier}
…
427 <em>git reflog
</em> [
<em>show
</em>] [log-options] [
<ref
>]
</div>
428 <div class=
"verseblock-attribution">
430 <div class=
"paragraph"><p>Reflog is a mechanism to record when the tip of branches are
431 updated. This command is to manage the information recorded in it.
</p></div>
432 <div class=
"paragraph"><p>The subcommand
"expire" is used to prune older reflog entries.
433 Entries older than
<tt>expire
</tt> time, or entries older than
434 <tt>expire-unreachable
</tt> time and not reachable from the current
435 tip, are removed from the reflog. This is typically not used
436 directly by the end users
 — instead, see
<a href=
"git-gc.html">git-gc(
1)
</a>.
</p></div>
437 <div class=
"paragraph"><p>The subcommand
"show" (which is also the default, in the absence of any
438 subcommands) will take all the normal log options, and show the log of
439 the reference provided in the command-line (or
<tt>HEAD
</tt>, by default).
440 The reflog will cover all recent actions (HEAD reflog records branch switching
441 as well). It is an alias for
<tt>git log -g --abbrev-commit --pretty=oneline
</tt>;
442 see
<a href=
"git-log.html">git-log(
1)
</a>.
</p></div>
443 <div class=
"paragraph"><p>The reflog is useful in various git commands, to specify the old value
444 of a reference. For example,
<tt>HEAD@{
2}
</tt> means
"where HEAD used to be
445 two moves ago",
<tt>master@{one.week.ago}
</tt> means
"where master used to
446 point to one week ago", and so on. See
<a href=
"gitrevisions.html">gitrevisions(
7)
</a> for
447 more details.
</p></div>
448 <div class=
"paragraph"><p>To delete single entries from the reflog, use the subcommand
"delete"
449 and specify the
<em>exact
</em> entry (e.g.
"<tt>git reflog delete master@{2}</tt>").
</p></div>
451 <h2 id=
"_options">OPTIONS
</h2>
452 <div class=
"sectionbody">
453 <div class=
"dlist"><dl>
459 This revamps the logic
 — the definition of
"broken commit"
460 becomes: a commit that is not reachable from any of the refs and
461 there is a missing object among the commit, tree, or blob
462 objects reachable from it that is not reachable from any of the
465 <div class=
"paragraph"><p>This computation involves traversing all the reachable objects, i.e. it
466 has the same cost as
<em>git prune
</em>. Fortunately, once this is run, we
467 should not have to ever worry about missing objects, because the current
468 prune and pack-objects know about reflogs and protect objects referred by
472 --expire=
<time
>
476 Entries older than this time are pruned. Without the
477 option it is taken from configuration
<tt>gc.reflogExpire
</tt>,
478 which in turn defaults to
90 days.
482 --expire-unreachable=
<time
>
486 Entries older than this time and not reachable from
487 the current tip of the branch are pruned. Without the
488 option it is taken from configuration
489 <tt>gc.reflogExpireUnreachable
</tt>, which in turn defaults to
498 Instead of listing
<refs
> explicitly, prune all refs.
506 Update the ref with the sha1 of the top reflog entry (i.e.
507 <ref
>@{
0}) after expiring or deleting.
515 While expiring or deleting, adjust each reflog entry to ensure
516 that the
<tt>old
</tt> sha1 field points to the
<tt>new
</tt> sha1 field of the
525 Print extra information on screen.
530 <h2 id=
"_git">GIT
</h2>
531 <div class=
"sectionbody">
532 <div class=
"paragraph"><p>Part of the
<a href=
"git.html">git(
1)
</a> suite
</p></div>
535 <div id=
"footer-text">
536 Last updated
2011-
03-
15 23:
30:
14 UTC