For the next example let's assume that we have made some new changes to our repo. Git never really loses anything, even when performing history rewriting operations like rebasing or commit amending. As with expire, delete has potential to lose data and is not commonly invoked by end users. The delete subcommand is self explanatory and will delete a passed in reflog entry. An expire time can be specified by passing a command line argument -expire=time to git reflog expire or by setting a git configuration name of gc.reflogExpire. Passing a -n or -dry-run option to git reflog expire Will perform a "dry run" which will output which reflog entries are marked to be pruned, but will not actually prune them.īy default, the reflog expiration date is set to 90 days. This subcommand is not typically used by end users, but used by git internally. The expire subcommand has potential for data loss. The expire subcommand cleans up old or unreachable reflog entries.
Executing git reflog show will display the log for the passed. For example, the command: git reflog equivalent to the command: git reflog show addition, git reflog show is an alias for git log -g -abbrev-commit -pretty=oneline. Git reflog accepts few addition arguments which are considered subcommands. This example is very useful if you want to know changes that have occurred within a time frame.
git diff example will diff the current main branch against main 1 day ago. Time qualifier refs can be passed to other git commands. 1.day.2.hours.ago), Additionally plural forms are accepted (e.g. The following are some examples of available time qualifiers: This enables filtering Git reflogs by time.
These timestamps can be leveraged as the qualifier token of Git ref pointer syntax. Timed reflogsĮvery reflog entry has a timestamp attached to it.
GIT CHANGE BRANCH AND RESET FILES CODE
The returned ref pointers can be passed to other Git commands: git diff executed, this example code will display Git diff output comparing the changes against the ref. This will output a reflog for the Git stash. git reflog stash 0d44de3 WIP on git_reflog: c492574 flesh out intro The following example assumes you have previously stashed some changes using the git stash command. To see the reflog for a specific branch pass that branch name to git reflog show git reflog show otherbranch 9a4491f commit: seperate articles into branch PRs 35aee4a otherbranch: commit (initial): initial commit add git-init and setting-up-a-repo docsĮxecuting this example will show a reflog for the otherbranch branch. You can get a complete reflog of all refs by executing: git reflog show -all The syntax to access a git ref is In addition to HEAD refs, other branches, tags, remotes, and the Git stash can be referenced as well. Reflogs are available for other refs as well. HEAD is a symbolic reference to the currently active branch. Reflog referencesīy default, git reflog will output the reflog of the HEAD ref. The most basic Reflog use case is the Rewriting History page for another example of common reflog access.
GIT CHANGE BRANCH AND RESET FILES HOW TO
This document will cover: extended configuration options of git reflog, common use-cases and pitfalls of git reflog, how to undo changes with git reflog, and more. We discussed git reflog at a high level on the Rewriting History Page. git/logs/refs/stash if the git stash has been used on the repo. Reflogs are stored in directories under the local repository's. In addition to branch tip reflogs, a special reflog is maintained for the Git stash. Reflogs track when Git refs were updated in the local repository. Git keeps track of updates to the tip of branches using a mechanism called reference logs, or "reflogs." Many Git commands accept a parameter for specifying a reference or "ref", which is a pointer to a commit. This page provides a detailed discussion of the git reflog command.
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