git-reflog - Manage reflog information


   git reflog <subcommand> <options>


   The command takes various subcommands, and different options depending
   on the subcommand:

       git reflog [show] [log-options] [<ref>]
       git reflog expire [--expire=<time>] [--expire-unreachable=<time>]
               [--rewrite] [--updateref] [--stale-fix]
               [--dry-run] [--verbose] [--all | <refs>...]
       git reflog delete [--rewrite] [--updateref]
               [--dry-run] [--verbose] ref@{specifier}...
       git reflog exists <ref>

   Reference logs, or "reflogs", record when the tips of branches and
   other references were updated in the local repository. Reflogs are
   useful in various Git commands, to specify the old value of a
   reference. For example, HEAD@{2} means "where HEAD used to be two moves
   ago", master@{one.week.ago} means "where master used to point to one
   week ago in this local repository", and so on. See gitrevisions(7) for
   more details.

   This command manages the information recorded in the reflogs.

   The "show" subcommand (which is also the default, in the absence of any
   subcommands) shows the log of the reference provided in the
   command-line (or HEAD, by default). The reflog covers all recent
   actions, and in addition the HEAD reflog records branch switching. git
   reflog show is an alias for git log -g --abbrev-commit
   --pretty=oneline; see git-log(1) for more information.

   The "expire" subcommand prunes older reflog entries. Entries older than
   expire time, or entries older than expire-unreachable time and not
   reachable from the current tip, are removed from the reflog. This is
   typically not used directly by end users --- instead, see git-gc(1).

   The "delete" subcommand deletes single entries from the reflog. Its
   argument must be an exact entry (e.g. "git reflog delete master@{2}").
   This subcommand is also typically not used directly by end users.

   The "exists" subcommand checks whether a ref has a reflog. It exits
   with zero status if the reflog exists, and non-zero status if it does


   Options for show
   git reflog show accepts any of the options accepted by git log.

   Options for expire
       Process the reflogs of all references.

       Prune entries older than the specified time. If this option is not
       specified, the expiration time is taken from the configuration
       setting gc.reflogExpire, which in turn defaults to 90 days.
       --expire=all prunes entries regardless of their age; --expire=never
       turns off pruning of reachable entries (but see

       Prune entries older than <time> that are not reachable from the
       current tip of the branch. If this option is not specified, the
       expiration time is taken from the configuration setting
       gc.reflogExpireUnreachable, which in turn defaults to 30 days.
       --expire-unreachable=all prunes unreachable entries regardless of
       their age; --expire-unreachable=never turns off early pruning of
       unreachable entries (but see --expire).

       Update the reference to the value of the top reflog entry (i.e.
       <ref>@{0}) if the previous top entry was pruned. (This option is
       ignored for symbolic references.)

       If a reflog entry's predecessor is pruned, adjust its "old" SHA-1
       to be equal to the "new" SHA-1 field of the entry that now precedes

       Prune any reflog entries that point to "broken commits". A broken
       commit is a commit that is not reachable from any of the reference
       tips and that refers, directly or indirectly, to a missing commit,
       tree, or blob object.

       This computation involves traversing all the reachable objects,
       i.e. it has the same cost as git prune. It is primarily intended to
       fix corruption caused by garbage collecting using older versions of
       Git, which didn't protect objects referred to by reflogs.

   -n, --dry-run
       Do not actually prune any entries; just show what would have been

       Print extra information on screen.

   Options for delete
   git reflog delete accepts options --updateref, --rewrite, -n,
   --dry-run, and --verbose, with the same meanings as when they are used
   with expire.


   Part of the git(1) suite


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