1git-reflog(1) 2============= 3 4NAME 5---- 6git-reflog - Manage reflog information 7 8 9SYNOPSIS 10-------- 11[verse] 12'git reflog' <subcommand> <options> 13 14DESCRIPTION 15----------- 16The command takes various subcommands, and different options 17depending on the subcommand: 18 19[verse] 20'git reflog' ['show'] [log-options] [<ref>] 21'git reflog expire' [--expire=<time>] [--expire-unreachable=<time>] 22 [--rewrite] [--updateref] [--stale-fix] 23 [--dry-run] [--verbose] [--all | <refs>...] 24'git reflog delete' [--rewrite] [--updateref] 25 [--dry-run] [--verbose] ref@\{specifier\}... 26 27Reference logs, or "reflogs", record when the tips of branches and 28other references were updated in the local repository. Reflogs are 29useful in various Git commands, to specify the old value of a 30reference. For example, `HEAD@{2}` means "where HEAD used to be two 31moves ago", `master@{one.week.ago}` means "where master used to point 32to one week ago in this local repository", and so on. See 33linkgit:gitrevisions[7] for more details. 34 35This command manages the information recorded in the reflogs. 36 37The "show" subcommand (which is also the default, in the absence of 38any subcommands) shows the log of the reference provided in the 39command-line (or `HEAD`, by default). The reflog covers all recent 40actions, and in addition the `HEAD` reflog records branch switching. 41`git reflog show` is an alias for `git log -g --abbrev-commit 42--pretty=oneline`; see linkgit:git-log[1] for more information. 43 44The "expire" subcommand prunes older reflog entries. Entries older 45than `expire` time, or entries older than `expire-unreachable` time 46and not reachable from the current tip, are removed from the reflog. 47This is typically not used directly by end users -- instead, see 48linkgit:git-gc[1]. 49 50The "delete" subcommand deletes single entries from the reflog. Its 51argument must be an _exact_ entry (e.g. "`git reflog delete 52master@{2}`"). This subcommand is also typically not used directly by 53end users. 54 55 56OPTIONS 57------- 58 59Options for `show` 60~~~~~~~~~~~~~~~~~~ 61 62`git reflog show` accepts any of the options accepted by `git log`. 63 64 65Options for `expire` 66~~~~~~~~~~~~~~~~~~~~ 67 68--all:: 69 Process the reflogs of all references. 70 71--expire=<time>:: 72 Prune entries older than the specified time. If this option is 73 not specified, the expiration time is taken from the 74 configuration setting `gc.reflogExpire`, which in turn 75 defaults to 90 days. `--expire=all` prunes entries regardless 76 of their age; `--expire=never` turns off pruning of reachable 77 entries (but see `--expire-unreachable`). 78 79--expire-unreachable=<time>:: 80 Prune entries older than `<time>` that are not reachable from 81 the current tip of the branch. If this option is not 82 specified, the expiration time is taken from the configuration 83 setting `gc.reflogExpireUnreachable`, which in turn defaults 84 to 30 days. `--expire-unreachable=all` prunes unreachable 85 entries regardless of their age; `--expire-unreachable=never` 86 turns off early pruning of unreachable entries (but see 87 `--expire`). 88 89--updateref:: 90 Update the reference to the value of the top reflog entry (i.e. 91 <ref>@\{0\}) if the previous top entry was pruned. (This 92 option is ignored for symbolic references.) 93 94--rewrite:: 95 If a reflog entry's predecessor is pruned, adjust its "old" 96 SHA-1 to be equal to the "new" SHA-1 field of the entry that 97 now precedes it. 98 99--stale-fix:: 100 Prune any reflog entries that point to "broken commits". A 101 broken commit is a commit that is not reachable from any of 102 the reference tips and that refers, directly or indirectly, to 103 a missing commit, tree, or blob object. 104+ 105This computation involves traversing all the reachable objects, i.e. it 106has the same cost as 'git prune'. It is primarily intended to fix 107corruption caused by garbage collecting using older versions of Git, 108which didn't protect objects referred to by reflogs. 109 110-n:: 111--dry-run:: 112 Do not actually prune any entries; just show what would have 113 been pruned. 114 115--verbose:: 116 Print extra information on screen. 117 118 119Options for `delete` 120~~~~~~~~~~~~~~~~~~~~ 121 122`git reflog delete` accepts options `--updateref`, `--rewrite`, `-n`, 123`--dry-run`, and `--verbose`, with the same meanings as when they are 124used with `expire`. 125 126 127GIT 128--- 129Part of the linkgit:git[1] suite