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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=
"verseblock">
418 <div class=
"verseblock-content"><em>git reflog
</em> <subcommand
> <options
></div>
419 <div class=
"verseblock-attribution">
422 <h2 id=
"_description">DESCRIPTION
</h2>
423 <div class=
"sectionbody">
424 <div class=
"paragraph"><p>The command takes various subcommands, and different options
425 depending on the subcommand:
</p></div>
426 <div class=
"verseblock">
427 <div class=
"verseblock-content"><em>git reflog expire
</em> [--dry-run] [--stale-fix] [--verbose]
428 [--expire=
<time
>] [--expire-unreachable=
<time
>] [--all]
<refs
>…
429 <em>git reflog delete
</em> ref@{specifier}
…
430 <em>git reflog
</em> [
<em>show
</em>] [log-options] [
<ref
>]
</div>
431 <div class=
"verseblock-attribution">
433 <div class=
"paragraph"><p>Reflog is a mechanism to record when the tip of branches are
434 updated. This command is to manage the information recorded in it.
</p></div>
435 <div class=
"paragraph"><p>The subcommand
"expire" is used to prune older reflog entries.
436 Entries older than
<tt>expire
</tt> time, or entries older than
437 <tt>expire-unreachable
</tt> time and not reachable from the current
438 tip, are removed from the reflog. This is typically not used
439 directly by the end users
 — instead, see
<a href=
"git-gc.html">git-gc(
1)
</a>.
</p></div>
440 <div class=
"paragraph"><p>The subcommand
"show" (which is also the default, in the absence of any
441 subcommands) will take all the normal log options, and show the log of
442 the reference provided in the command-line (or
<tt>HEAD
</tt>, by default).
443 The reflog will cover all recent actions (HEAD reflog records branch switching
444 as well). It is an alias for
<tt>git log -g --abbrev-commit --pretty=oneline
</tt>;
445 see
<a href=
"git-log.html">git-log(
1)
</a>.
</p></div>
446 <div class=
"paragraph"><p>The reflog is useful in various git commands, to specify the old value
447 of a reference. For example,
<tt>HEAD@{
2}
</tt> means
"where HEAD used to be
448 two moves ago",
<tt>master@{one.week.ago}
</tt> means
"where master used to
449 point to one week ago", and so on. See
<a href=
"gitrevisions.html">gitrevisions(
7)
</a> for
450 more details.
</p></div>
451 <div class=
"paragraph"><p>To delete single entries from the reflog, use the subcommand
"delete"
452 and specify the
<em>exact
</em> entry (e.g.
"<tt>git reflog delete master@{2}</tt>").
</p></div>
454 <h2 id=
"_options">OPTIONS
</h2>
455 <div class=
"sectionbody">
456 <div class=
"dlist"><dl>
462 This revamps the logic
 — the definition of
"broken commit"
463 becomes: a commit that is not reachable from any of the refs and
464 there is a missing object among the commit, tree, or blob
465 objects reachable from it that is not reachable from any of the
468 <div class=
"paragraph"><p>This computation involves traversing all the reachable objects, i.e. it
469 has the same cost as
<em>git prune
</em>. Fortunately, once this is run, we
470 should not have to ever worry about missing objects, because the current
471 prune and pack-objects know about reflogs and protect objects referred by
475 --expire=
<time
>
479 Entries older than this time are pruned. Without the
480 option it is taken from configuration
<tt>gc.reflogExpire
</tt>,
481 which in turn defaults to
90 days.
485 --expire-unreachable=
<time
>
489 Entries older than this time and not reachable from
490 the current tip of the branch are pruned. Without the
491 option it is taken from configuration
492 <tt>gc.reflogExpireUnreachable
</tt>, which in turn defaults to
501 Instead of listing
<refs
> explicitly, prune all refs.
509 Update the ref with the sha1 of the top reflog entry (i.e.
510 <ref
>@{
0}) after expiring or deleting.
518 While expiring or deleting, adjust each reflog entry to ensure
519 that the
<tt>old
</tt> sha1 field points to the
<tt>new
</tt> sha1 field of the
528 Print extra information on screen.
533 <h2 id=
"_git">GIT
</h2>
534 <div class=
"sectionbody">
535 <div class=
"paragraph"><p>Part of the
<a href=
"git.html">git(
1)
</a> suite
</p></div>
538 <div id=
"footer-text">
539 Last updated
2011-
07-
23 00:
49:
30 UTC