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GIT-REPLACE(1) Git Manual GIT-REPLACE(1) NAME git-replace - Create, list, delete refs to replace objects SYNOPSIS git replace [-f] <object> <replacement> git replace [-f] --edit <object> git replace [-f] --graft <commit> [<parent>...] git replace [-f] --convert-graft-file git replace -d <object>... git replace [--format=<format>] [-l [<pattern>]] DESCRIPTION Adds a replace reference in refs/replace/ namespace. The name of the replace reference is the SHA-1 of the object that is replaced. The content of the replace reference is the SHA-1 of the replacement object. The replaced object and the replacement object must be of the same type. This restriction can be bypassed using -f. Unless -f is given, the replace reference must not yet exist. There is no other restriction on the replaced and replacement objects. Merge commits can be replaced by non-merge commits and vice versa. Replacement references will be used by default by all Git commands except those doing reachability traversal (prune, pack transfer and fsck). It is possible to disable use of replacement references for any command using the --no-replace-objects option just after git. For example if commit foo has been replaced by commit bar: $ git --no-replace-objects cat-file commit foo shows information about commit foo, while: $ git cat-file commit foo shows information about commit bar. The GIT_NO_REPLACE_OBJECTS environment variable can be set to achieve the same effect as the --no-replace-objects option. OPTIONS -f, --force If an existing replace ref for the same object exists, it will be overwritten (instead of failing). -d, --delete Delete existing replace refs for the given objects. --raw When editing, provide the raw object contents rather than pretty-printed ones. Currently this only affects trees, which will be shown in their binary form. This is harder to work with, but can help when repairing a tree that is so corrupted it cannot be pretty-printed. Note that you may need to configure your editor to cleanly read and write binary data. --graft <commit> [<parent>...] Create a graft commit. A new commit is created with the same content as <commit> except that its parents will be [<parent>...] instead of <commit>'s parents. A replacement ref is then created to replace <commit> with the newly created commit. Use --convert-graft-file to convert a $GIT_DIR/info/grafts file and use replace refs instead. --convert-graft-file Creates graft commits for all entries in $GIT_DIR/info/grafts and deletes that file upon success. The purpose is to help users with transitioning off of the now-deprecated graft file. -l <pattern>, --list <pattern> List replace refs for objects that match the given pattern (or all if no pattern is given). Typing "git replace" without arguments, also lists all replace refs. --format=<format> When listing, use the specified <format>, which can be one of short, medium and long. When omitted, the format defaults to short. FORMATS The following format are available: o short: <replaced sha1> o medium: <replaced sha1> -> <replacement sha1> o long: <replaced sha1> (<replaced type>) -> <replacement sha1> (<replacement type>) CREATING REPLACEMENT OBJECTS git-hash-object(1), git-rebase(1), and git-filter-repo[1], among other git commands, can be used to create replacement objects from existing objects. The --edit option can also be used with git replace to create a replacement object by editing an existing object. If you want to replace many blobs, trees or commits that are part of a string of commits, you may just want to create a replacement string of commits and then only replace the commit at the tip of the target string of commits with the commit at the tip of the replacement string of commits. BUGS Comparing blobs or trees that have been replaced with those that replace them will not work properly. And using git reset --hard to go back to a replaced commit will move the branch to the replacement commit instead of the replaced commit. GIT Part of the git(1) suite NOTES 1. git-filter-repo https://github.com/newren/git-filter-repo Git 2.42.0 2023-08-21 GIT-REPLACE(1)