зеркало из https://github.com/microsoft/git.git
Merge branch 'js/rebase'
* js/rebase: Teach rebase -i about --preserve-merges rebase -i: provide reasonable reflog for the rebased branch rebase -i: several cleanups ignore git-rebase--interactive Teach rebase an interactive mode Move the pick_author code to git-sh-setup
This commit is contained in:
Junio C Hamano
Коммит
f36db54905
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@ -96,6 +96,7 @@ git-push
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git-quiltimport
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git-read-tree
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git-rebase
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git-rebase--interactive
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git-receive-pack
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git-reflog
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git-relink
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@ -8,7 +8,8 @@ git-rebase - Forward-port local commits to the updated upstream head
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SYNOPSIS
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--------
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[verse]
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'git-rebase' [-v] [--merge] [-C<n>] [--onto <newbase>] <upstream> [<branch>]
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'git-rebase' [-i | --interactive] [-v | --verbose] [--merge] [-C<n>]
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[-p | --preserve-merges] [--onto <newbase>] <upstream> [<branch>]
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'git-rebase' --continue | --skip | --abort
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DESCRIPTION
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@ -208,6 +209,14 @@ OPTIONS
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context exist they all must match. By default no context is
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ever ignored.
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-i, \--interactive::
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Make a list of the commits which are about to be rebased. Let the
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user edit that list before rebasing.
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-p, \--preserve-merges::
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Instead of ignoring merges, try to recreate them. This option
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only works in interactive mode.
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include::merge-strategies.txt[]
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NOTES
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@ -226,9 +235,100 @@ pre-rebase hook script for an example.
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You must be in the top directory of your project to start (or continue)
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a rebase. Upon completion, <branch> will be the current branch.
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Author
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INTERACTIVE MODE
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----------------
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Rebasing interactively means that you have a chance to edit the commits
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which are rebased. You can reorder the commits, and you can
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remove them (weeding out bad or otherwise unwanted patches).
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The interactive mode is meant for this type of workflow:
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1. have a wonderful idea
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2. hack on the code
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3. prepare a series for submission
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4. submit
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where point 2. consists of several instances of
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a. regular use
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1. finish something worthy of a commit
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2. commit
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b. independent fixup
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1. realize that something does not work
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2. fix that
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3. commit it
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Sometimes the thing fixed in b.2. cannot be amended to the not-quite
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perfect commit it fixes, because that commit is buried deeply in a
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patch series. That is exactly what interactive rebase is for: use it
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after plenty of "a"s and "b"s, by rearranging and editing
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commits, and squashing multiple commits into one.
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Start it with the last commit you want to retain as-is:
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git rebase -i <after-this-commit>
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An editor will be fired up with all the commits in your current branch
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(ignoring merge commits), which come after the given commit. You can
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reorder the commits in this list to your heart's content, and you can
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remove them. The list looks more or less like this:
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-------------------------------------------
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pick deadbee The oneline of this commit
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pick fa1afe1 The oneline of the next commit
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...
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-------------------------------------------
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The oneline descriptions are purely for your pleasure; `git-rebase` will
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not look at them but at the commit names ("deadbee" and "fa1afe1" in this
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example), so do not delete or edit the names.
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By replacing the command "pick" with the command "edit", you can tell
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`git-rebase` to stop after applying that commit, so that you can edit
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the files and/or the commit message, amend the commit, and continue
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rebasing.
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If you want to fold two or more commits into one, replace the command
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"pick" with "squash" for the second and subsequent commit. If the
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commits had different authors, it will attribute the squashed commit to
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the author of the last commit.
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In both cases, or when a "pick" does not succeed (because of merge
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errors), the loop will stop to let you fix things, and you can continue
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the loop with `git rebase --continue`.
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For example, if you want to reorder the last 5 commits, such that what
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was HEAD~4 becomes the new HEAD. To achieve that, you would call
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`git-rebase` like this:
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----------------------
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$ git rebase -i HEAD~5
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----------------------
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And move the first patch to the end of the list.
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You might want to preserve merges, if you have a history like this:
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------------------
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X
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\
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A---M---B
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/
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---o---O---P---Q
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------------------
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Suppose you want to rebase the side branch starting at "A" to "Q". Make
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sure that the current HEAD is "B", and call
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-----------------------------
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$ git rebase -i -p --onto Q O
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-----------------------------
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Authors
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------
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Written by Junio C Hamano <junkio@cox.net>
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Written by Junio C Hamano <junkio@cox.net> and
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Johannes E. Schindelin <johannes.schindelin@gmx.de>
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Documentation
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--------------
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2
Makefile
2
Makefile
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@ -204,7 +204,7 @@ SCRIPT_SH = \
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git-fetch.sh \
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git-ls-remote.sh \
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git-merge-one-file.sh git-mergetool.sh git-parse-remote.sh \
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git-pull.sh git-rebase.sh \
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git-pull.sh git-rebase.sh git-rebase--interactive.sh \
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git-repack.sh git-request-pull.sh git-reset.sh \
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git-sh-setup.sh \
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git-tag.sh git-verify-tag.sh \
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@ -483,34 +483,8 @@ fi >>"$GIT_DIR"/COMMIT_EDITMSG
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# Author
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if test '' != "$use_commit"
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then
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pick_author_script='
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/^author /{
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s/'\''/'\''\\'\'\''/g
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h
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s/^author \([^<]*\) <[^>]*> .*$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_NAME='\''&'\''/p
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g
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s/^author [^<]* <\([^>]*\)> .*$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
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g
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s/^author [^<]* <[^>]*> \(.*\)$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_DATE='\''&'\''/p
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q
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}
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'
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encoding=$(git config i18n.commitencoding || echo UTF-8)
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set_author_env=`git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
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LANG=C LC_ALL=C sed -ne "$pick_author_script"`
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eval "$set_author_env"
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export GIT_AUTHOR_NAME
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export GIT_AUTHOR_EMAIL
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export GIT_AUTHOR_DATE
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eval "$(get_author_ident_from_commit "$use_commit")"
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export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
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fi
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if test '' != "$force_author"
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then
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|
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@ -0,0 +1,410 @@
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#!/bin/sh
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#
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# Copyright (c) 2006 Johannes E. Schindelin
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# SHORT DESCRIPTION
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#
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# This script makes it easy to fix up commits in the middle of a series,
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# and rearrange commits.
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#
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# The original idea comes from Eric W. Biederman, in
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# http://article.gmane.org/gmane.comp.version-control.git/22407
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USAGE='(--continue | --abort | --skip | [--preserve-merges] [--verbose]
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[--onto <branch>] <upstream> [<branch>])'
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. git-sh-setup
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require_work_tree
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DOTEST="$GIT_DIR/.dotest-merge"
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TODO="$DOTEST"/todo
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DONE="$DOTEST"/done
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REWRITTEN="$DOTEST"/rewritten
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PRESERVE_MERGES=
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STRATEGY=
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VERBOSE=
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warn () {
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echo "$*" >&2
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}
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require_clean_work_tree () {
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# test if working tree is dirty
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git rev-parse --verify HEAD > /dev/null &&
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git update-index --refresh &&
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git diff-files --quiet &&
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git diff-index --cached --quiet HEAD ||
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die "Working tree is dirty"
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}
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ORIG_REFLOG_ACTION="$GIT_REFLOG_ACTION"
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comment_for_reflog () {
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case "$ORIG_REFLOG_ACTION" in
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''|rebase*)
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GIT_REFLOG_ACTION="rebase -i ($1)"
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export GIT_REFLOG_ACTION
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esac
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}
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mark_action_done () {
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sed -e 1q < "$TODO" >> "$DONE"
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sed -e 1d < "$TODO" >> "$TODO".new
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mv -f "$TODO".new "$TODO"
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}
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make_patch () {
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parent_sha1=$(git rev-parse --verify "$1"^ 2> /dev/null)
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git diff "$parent_sha1".."$1" > "$DOTEST"/patch
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}
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die_with_patch () {
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make_patch "$1"
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die "$2"
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}
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die_abort () {
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rm -rf "$DOTEST"
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die "$1"
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}
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pick_one () {
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case "$1" in -n) sha1=$2 ;; *) sha1=$1 ;; esac
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git rev-parse --verify $sha1 || die "Invalid commit name: $sha1"
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test -d "$REWRITTEN" &&
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pick_one_preserving_merges "$@" && return
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parent_sha1=$(git rev-parse --verify $sha1^ 2>/dev/null)
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current_sha1=$(git rev-parse --verify HEAD)
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if [ $current_sha1 = $parent_sha1 ]; then
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git reset --hard $sha1
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sha1=$(git rev-parse --short $sha1)
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warn Fast forward to $sha1
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else
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git cherry-pick $STRATEGY "$@"
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fi
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}
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pick_one_preserving_merges () {
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case "$1" in -n) sha1=$2 ;; *) sha1=$1 ;; esac
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sha1=$(git rev-parse $sha1)
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|
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if [ -f "$DOTEST"/current-commit ]
|
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then
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current_commit=$(cat "$DOTEST"/current-commit) &&
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git rev-parse HEAD > "$REWRITTEN"/$current_commit &&
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rm "$DOTEST"/current-commit ||
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die "Cannot write current commit's replacement sha1"
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fi
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|
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# rewrite parents; if none were rewritten, we can fast-forward.
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fast_forward=t
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preserve=t
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new_parents=
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for p in $(git rev-list --parents -1 $sha1 | cut -d\ -f2-)
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do
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if [ -f "$REWRITTEN"/$p ]
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then
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preserve=f
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new_p=$(cat "$REWRITTEN"/$p)
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test $p != $new_p && fast_forward=f
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case "$new_parents" in
|
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*$new_p*)
|
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;; # do nothing; that parent is already there
|
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*)
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new_parents="$new_parents $new_p"
|
||||
esac
|
||||
fi
|
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done
|
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case $fast_forward in
|
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t)
|
||||
echo "Fast forward to $sha1"
|
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test $preserve=f && echo $sha1 > "$REWRITTEN"/$sha1
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||||
;;
|
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f)
|
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test "a$1" = a-n && die "Refusing to squash a merge: $sha1"
|
||||
|
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first_parent=$(expr "$new_parents" : " \([^ ]*\)")
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# detach HEAD to current parent
|
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git checkout $first_parent 2> /dev/null ||
|
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die "Cannot move HEAD to $first_parent"
|
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|
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echo $sha1 > "$DOTEST"/current-commit
|
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case "$new_parents" in
|
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\ *\ *)
|
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# redo merge
|
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author_script=$(get_author_ident_from_commit $sha1)
|
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eval "$author_script"
|
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msg="$(git cat-file commit $sha1 | \
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sed -e '1,/^$/d' -e "s/[\"\\]/\\\\&/g")"
|
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# NEEDSWORK: give rerere a chance
|
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if ! git merge $STRATEGY -m "$msg" $new_parents
|
||||
then
|
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echo "$msg" > "$GIT_DIR"/MERGE_MSG
|
||||
warn Error redoing merge $sha1
|
||||
warn
|
||||
warn After fixup, please use
|
||||
die "$author_script git commit"
|
||||
fi
|
||||
;;
|
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*)
|
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git cherry-pick $STRATEGY "$@" ||
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||||
die_with_patch $sha1 "Could not pick $sha1"
|
||||
esac
|
||||
esac
|
||||
}
|
||||
|
||||
do_next () {
|
||||
read command sha1 rest < "$TODO"
|
||||
case "$command" in
|
||||
\#|'')
|
||||
mark_action_done
|
||||
continue
|
||||
;;
|
||||
pick)
|
||||
comment_for_reflog pick
|
||||
|
||||
mark_action_done
|
||||
pick_one $sha1 ||
|
||||
die_with_patch $sha1 "Could not apply $sha1... $rest"
|
||||
;;
|
||||
edit)
|
||||
comment_for_reflog edit
|
||||
|
||||
mark_action_done
|
||||
pick_one $sha1 ||
|
||||
die_with_patch $sha1 "Could not apply $sha1... $rest"
|
||||
make_patch $sha1
|
||||
warn
|
||||
warn "You can amend the commit now, with"
|
||||
warn
|
||||
warn " git commit --amend"
|
||||
warn
|
||||
exit 0
|
||||
;;
|
||||
squash)
|
||||
comment_for_reflog squash
|
||||
|
||||
test -z "$(grep -ve '^$' -e '^#' < $DONE)" &&
|
||||
die "Cannot 'squash' without a previous commit"
|
||||
|
||||
mark_action_done
|
||||
failed=f
|
||||
pick_one -n $sha1 || failed=t
|
||||
MSG="$DOTEST"/message
|
||||
echo "# This is a combination of two commits." > "$MSG"
|
||||
echo "# The first commit's message is:" >> "$MSG"
|
||||
echo >> "$MSG"
|
||||
git cat-file commit HEAD | sed -e '1,/^$/d' >> "$MSG"
|
||||
echo >> "$MSG"
|
||||
echo "# And this is the 2nd commit message:" >> "$MSG"
|
||||
echo >> "$MSG"
|
||||
git cat-file commit $sha1 | sed -e '1,/^$/d' >> "$MSG"
|
||||
git reset --soft HEAD^
|
||||
author_script=$(get_author_ident_from_commit $sha1)
|
||||
case $failed in
|
||||
f)
|
||||
# This is like --amend, but with a different message
|
||||
eval "$author_script"
|
||||
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
|
||||
git commit -F "$MSG" -e
|
||||
;;
|
||||
t)
|
||||
cp "$MSG" "$GIT_DIR"/MERGE_MSG
|
||||
warn
|
||||
warn "Could not apply $sha1... $rest"
|
||||
warn "After you fixed that, commit the result with"
|
||||
warn
|
||||
warn " $(echo $author_script | tr '\012' ' ') \\"
|
||||
warn " git commit -F \"$GIT_DIR\"/MERGE_MSG -e"
|
||||
die_with_patch $sha1 ""
|
||||
esac
|
||||
;;
|
||||
*)
|
||||
warn "Unknown command: $command $sha1 $rest"
|
||||
die_with_patch $sha1 "Please fix this in the file $TODO."
|
||||
esac
|
||||
test -s "$TODO" && return
|
||||
|
||||
comment_for_reflog finish &&
|
||||
HEADNAME=$(cat "$DOTEST"/head-name) &&
|
||||
OLDHEAD=$(cat "$DOTEST"/head) &&
|
||||
SHORTONTO=$(git rev-parse --short $(cat "$DOTEST"/onto)) &&
|
||||
if [ -d "$REWRITTEN" ]
|
||||
then
|
||||
test -f "$DOTEST"/current-commit &&
|
||||
current_commit=$(cat "$DOTEST"/current-commit) &&
|
||||
git rev-parse HEAD > "$REWRITTEN"/$current_commit
|
||||
NEWHEAD=$(cat "$REWRITTEN"/$OLDHEAD)
|
||||
else
|
||||
NEWHEAD=$(git rev-parse HEAD)
|
||||
fi &&
|
||||
message="$GIT_REFLOG_ACTION: $HEADNAME onto $SHORTONTO)" &&
|
||||
git update-ref -m "$message" $HEADNAME $NEWHEAD $OLDHEAD &&
|
||||
git symbolic-ref HEAD $HEADNAME &&
|
||||
rm -rf "$DOTEST" &&
|
||||
warn "Successfully rebased and updated $HEADNAME."
|
||||
|
||||
exit
|
||||
}
|
||||
|
||||
do_rest () {
|
||||
while :
|
||||
do
|
||||
do_next
|
||||
done
|
||||
test -f "$DOTEST"/verbose &&
|
||||
git diff --stat $(cat "$DOTEST"/head)..HEAD
|
||||
exit
|
||||
}
|
||||
|
||||
while case $# in 0) break ;; esac
|
||||
do
|
||||
case "$1" in
|
||||
--continue)
|
||||
comment_for_reflog continue
|
||||
|
||||
test -d "$DOTEST" || die "No interactive rebase running"
|
||||
|
||||
require_clean_work_tree
|
||||
do_rest
|
||||
;;
|
||||
--abort)
|
||||
comment_for_reflog abort
|
||||
|
||||
test -d "$DOTEST" || die "No interactive rebase running"
|
||||
|
||||
HEADNAME=$(cat "$DOTEST"/head-name)
|
||||
HEAD=$(cat "$DOTEST"/head)
|
||||
git symbolic-ref HEAD $HEADNAME &&
|
||||
git reset --hard $HEAD &&
|
||||
rm -rf "$DOTEST"
|
||||
exit
|
||||
;;
|
||||
--skip)
|
||||
comment_for_reflog skip
|
||||
|
||||
test -d "$DOTEST" || die "No interactive rebase running"
|
||||
|
||||
git reset --hard && do_rest
|
||||
;;
|
||||
-s|--strategy)
|
||||
shift
|
||||
case "$#,$1" in
|
||||
*,*=*)
|
||||
STRATEGY="-s `expr "z$1" : 'z-[^=]*=\(.*\)'`" ;;
|
||||
1,*)
|
||||
usage ;;
|
||||
*)
|
||||
STRATEGY="-s $2"
|
||||
shift ;;
|
||||
esac
|
||||
;;
|
||||
--merge)
|
||||
# we use merge anyway
|
||||
;;
|
||||
-C*)
|
||||
die "Interactive rebase uses merge, so $1 does not make sense"
|
||||
;;
|
||||
-v|--verbose)
|
||||
VERBOSE=t
|
||||
;;
|
||||
-p|--preserve-merges)
|
||||
PRESERVE_MERGES=t
|
||||
;;
|
||||
-i|--interactive)
|
||||
# yeah, we know
|
||||
;;
|
||||
''|-h)
|
||||
usage
|
||||
;;
|
||||
*)
|
||||
test -d "$DOTEST" &&
|
||||
die "Interactive rebase already started"
|
||||
|
||||
git var GIT_COMMITTER_IDENT >/dev/null ||
|
||||
die "You need to set your committer info first"
|
||||
|
||||
comment_for_reflog start
|
||||
|
||||
ONTO=
|
||||
case "$1" in
|
||||
--onto)
|
||||
ONTO=$(git rev-parse --verify "$2") ||
|
||||
die "Does not point to a valid commit: $2"
|
||||
shift; shift
|
||||
;;
|
||||
esac
|
||||
|
||||
require_clean_work_tree
|
||||
|
||||
if [ ! -z "$2"]
|
||||
then
|
||||
git show-ref --verify --quiet "refs/heads/$2" ||
|
||||
die "Invalid branchname: $2"
|
||||
git checkout "$2" ||
|
||||
die "Could not checkout $2"
|
||||
fi
|
||||
|
||||
HEAD=$(git rev-parse --verify HEAD) || die "No HEAD?"
|
||||
UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base"
|
||||
|
||||
test -z "$ONTO" && ONTO=$UPSTREAM
|
||||
|
||||
mkdir "$DOTEST" || die "Could not create temporary $DOTEST"
|
||||
: > "$DOTEST"/interactive || die "Could not mark as interactive"
|
||||
git symbolic-ref HEAD > "$DOTEST"/head-name ||
|
||||
die "Could not get HEAD"
|
||||
|
||||
echo $HEAD > "$DOTEST"/head
|
||||
echo $UPSTREAM > "$DOTEST"/upstream
|
||||
echo $ONTO > "$DOTEST"/onto
|
||||
test t = "$VERBOSE" && : > "$DOTEST"/verbose
|
||||
if [ t = "$PRESERVE_MERGES" ]
|
||||
then
|
||||
# $REWRITTEN contains files for each commit that is
|
||||
# reachable by at least one merge base of $HEAD and
|
||||
# $UPSTREAM. They are not necessarily rewritten, but
|
||||
# their children might be.
|
||||
# This ensures that commits on merged, but otherwise
|
||||
# unrelated side branches are left alone. (Think "X"
|
||||
# in the man page's example.)
|
||||
mkdir "$REWRITTEN" &&
|
||||
for c in $(git merge-base --all $HEAD $UPSTREAM)
|
||||
do
|
||||
echo $ONTO > "$REWRITTEN"/$c ||
|
||||
die "Could not init rewritten commits"
|
||||
done
|
||||
MERGES_OPTION=
|
||||
else
|
||||
MERGES_OPTION=--no-merges
|
||||
fi
|
||||
|
||||
SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
|
||||
SHORTHEAD=$(git rev-parse --short $HEAD)
|
||||
SHORTONTO=$(git rev-parse --short $ONTO)
|
||||
cat > "$TODO" << EOF
|
||||
# Rebasing $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO
|
||||
#
|
||||
# Commands:
|
||||
# pick = use commit
|
||||
# edit = use commit, but stop for amending
|
||||
# squash = use commit, but meld into previous commit
|
||||
EOF
|
||||
git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
|
||||
--abbrev=7 --reverse $UPSTREAM..$HEAD | \
|
||||
sed "s/^/pick /" >> "$TODO"
|
||||
|
||||
test -z "$(grep -ve '^$' -e '^#' < $TODO)" &&
|
||||
die_abort "Nothing to do"
|
||||
|
||||
cp "$TODO" "$TODO".backup
|
||||
${VISUAL:-${EDITOR:-vi}} "$TODO" ||
|
||||
die "Could not execute editor"
|
||||
|
||||
test -z "$(grep -ve '^$' -e '^#' < $TODO)" &&
|
||||
die_abort "Nothing to do"
|
||||
|
||||
git checkout $ONTO && do_rest
|
||||
esac
|
||||
shift
|
||||
done
|
||||
|
|
@ -3,7 +3,7 @@
|
|||
# Copyright (c) 2005 Junio C Hamano.
|
||||
#
|
||||
|
||||
USAGE='[-v] [--onto <newbase>] <upstream> [<branch>]'
|
||||
USAGE='[--interactive | -i] [-v] [--onto <newbase>] <upstream> [<branch>]'
|
||||
LONG_USAGE='git-rebase replaces <branch> with a new branch of the
|
||||
same name. When the --onto option is provided the new branch starts
|
||||
out with a HEAD equal to <newbase>, otherwise it is equal to <upstream>
|
||||
|
|
@ -120,6 +120,16 @@ finish_rb_merge () {
|
|||
echo "All done."
|
||||
}
|
||||
|
||||
is_interactive () {
|
||||
test -f "$dotest"/interactive ||
|
||||
while case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
|
||||
do
|
||||
shift
|
||||
done && test -n "$1"
|
||||
}
|
||||
|
||||
is_interactive "$@" && exec git-rebase--interactive "$@"
|
||||
|
||||
while case "$#" in 0) break ;; esac
|
||||
do
|
||||
case "$1" in
|
||||
|
|
|
|||
|
|
@ -49,6 +49,33 @@ require_work_tree () {
|
|||
die "fatal: $0 cannot be used without a working tree."
|
||||
}
|
||||
|
||||
get_author_ident_from_commit () {
|
||||
pick_author_script='
|
||||
/^author /{
|
||||
s/'\''/'\''\\'\'\''/g
|
||||
h
|
||||
s/^author \([^<]*\) <[^>]*> .*$/\1/
|
||||
s/'\''/'\''\'\'\''/g
|
||||
s/.*/GIT_AUTHOR_NAME='\''&'\''/p
|
||||
|
||||
g
|
||||
s/^author [^<]* <\([^>]*\)> .*$/\1/
|
||||
s/'\''/'\''\'\'\''/g
|
||||
s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
|
||||
|
||||
g
|
||||
s/^author [^<]* <[^>]*> \(.*\)$/\1/
|
||||
s/'\''/'\''\'\'\''/g
|
||||
s/.*/GIT_AUTHOR_DATE='\''&'\''/p
|
||||
|
||||
q
|
||||
}
|
||||
'
|
||||
encoding=$(git config i18n.commitencoding || echo UTF-8)
|
||||
git show -s --pretty=raw --encoding="$encoding" "$1" |
|
||||
LANG=C LC_ALL=C sed -ne "$pick_author_script"
|
||||
}
|
||||
|
||||
if [ -z "$LONG_USAGE" ]
|
||||
then
|
||||
LONG_USAGE="Usage: $0 $USAGE"
|
||||
|
|
|
|||
|
|
@ -0,0 +1,191 @@
|
|||
#!/bin/sh
|
||||
#
|
||||
# Copyright (c) 2007 Johannes E. Schindelin
|
||||
#
|
||||
|
||||
test_description='git rebase interactive
|
||||
|
||||
This test runs git rebase "interactively", by faking an edit, and verifies
|
||||
that the result still makes sense.
|
||||
'
|
||||
. ./test-lib.sh
|
||||
|
||||
# set up two branches like this:
|
||||
#
|
||||
# A - B - C - D - E
|
||||
# \
|
||||
# F - G - H
|
||||
# \
|
||||
# I
|
||||
#
|
||||
# where B, D and G touch the same file.
|
||||
|
||||
test_expect_success 'setup' '
|
||||
: > file1 &&
|
||||
git add file1 &&
|
||||
test_tick &&
|
||||
git commit -m A &&
|
||||
git tag A &&
|
||||
echo 1 > file1 &&
|
||||
test_tick &&
|
||||
git commit -m B file1 &&
|
||||
: > file2 &&
|
||||
git add file2 &&
|
||||
test_tick &&
|
||||
git commit -m C &&
|
||||
echo 2 > file1 &&
|
||||
test_tick &&
|
||||
git commit -m D file1 &&
|
||||
: > file3 &&
|
||||
git add file3 &&
|
||||
test_tick &&
|
||||
git commit -m E &&
|
||||
git checkout -b branch1 A &&
|
||||
: > file4 &&
|
||||
git add file4 &&
|
||||
test_tick &&
|
||||
git commit -m F &&
|
||||
git tag F &&
|
||||
echo 3 > file1 &&
|
||||
test_tick &&
|
||||
git commit -m G file1 &&
|
||||
: > file5 &&
|
||||
git add file5 &&
|
||||
test_tick &&
|
||||
git commit -m H &&
|
||||
git checkout -b branch2 F &&
|
||||
: > file6 &&
|
||||
git add file6 &&
|
||||
test_tick &&
|
||||
git commit -m I &&
|
||||
git tag I
|
||||
'
|
||||
|
||||
cat > fake-editor.sh << EOF
|
||||
#!/bin/sh
|
||||
test "\$1" = .git/COMMIT_EDITMSG && exit
|
||||
test -z "\$FAKE_LINES" && exit
|
||||
grep -v "^#" < "\$1" > "\$1".tmp
|
||||
rm "\$1"
|
||||
cat "\$1".tmp
|
||||
action=pick
|
||||
for line in \$FAKE_LINES; do
|
||||
case \$line in
|
||||
squash)
|
||||
action="\$line";;
|
||||
*)
|
||||
echo sed -n "\${line}s/^pick/\$action/p"
|
||||
sed -n "\${line}p" < "\$1".tmp
|
||||
sed -n "\${line}s/^pick/\$action/p" < "\$1".tmp >> "\$1"
|
||||
action=pick;;
|
||||
esac
|
||||
done
|
||||
EOF
|
||||
|
||||
chmod a+x fake-editor.sh
|
||||
VISUAL="$(pwd)/fake-editor.sh"
|
||||
export VISUAL
|
||||
|
||||
test_expect_success 'no changes are a nop' '
|
||||
git rebase -i F &&
|
||||
test $(git rev-parse I) = $(git rev-parse HEAD)
|
||||
'
|
||||
|
||||
test_expect_success 'rebase on top of a non-conflicting commit' '
|
||||
git checkout branch1 &&
|
||||
git tag original-branch1 &&
|
||||
git rebase -i branch2 &&
|
||||
test file6 = $(git diff --name-only original-branch1) &&
|
||||
test $(git rev-parse I) = $(git rev-parse HEAD~2)
|
||||
'
|
||||
|
||||
test_expect_success 'reflog for the branch shows state before rebase' '
|
||||
test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
|
||||
'
|
||||
|
||||
test_expect_success 'exchange two commits' '
|
||||
FAKE_LINES="2 1" git rebase -i HEAD~2 &&
|
||||
test H = $(git cat-file commit HEAD^ | tail -n 1) &&
|
||||
test G = $(git cat-file commit HEAD | tail -n 1)
|
||||
'
|
||||
|
||||
cat > expect << EOF
|
||||
diff --git a/file1 b/file1
|
||||
index e69de29..00750ed 100644
|
||||
--- a/file1
|
||||
+++ b/file1
|
||||
@@ -0,0 +1 @@
|
||||
+3
|
||||
EOF
|
||||
|
||||
cat > expect2 << EOF
|
||||
<<<<<<< HEAD:file1
|
||||
2
|
||||
=======
|
||||
3
|
||||
>>>>>>> b7ca976... G:file1
|
||||
EOF
|
||||
|
||||
test_expect_success 'stop on conflicting pick' '
|
||||
git tag new-branch1 &&
|
||||
! git rebase -i master &&
|
||||
diff -u expect .git/.dotest-merge/patch &&
|
||||
diff -u expect2 file1 &&
|
||||
test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
|
||||
test 0 = $(grep -v "^#" < .git/.dotest-merge/todo | wc -l)
|
||||
'
|
||||
|
||||
test_expect_success 'abort' '
|
||||
git rebase --abort &&
|
||||
test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
|
||||
! test -d .git/.dotest-merge
|
||||
'
|
||||
|
||||
test_expect_success 'retain authorship' '
|
||||
echo A > file7 &&
|
||||
git add file7 &&
|
||||
test_tick &&
|
||||
GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
|
||||
git tag twerp &&
|
||||
git rebase -i --onto master HEAD^ &&
|
||||
git show HEAD | grep "^Author: Twerp Snog"
|
||||
'
|
||||
|
||||
test_expect_success 'squash' '
|
||||
git reset --hard twerp &&
|
||||
echo B > file7 &&
|
||||
test_tick &&
|
||||
GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
|
||||
echo "******************************" &&
|
||||
FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
|
||||
test B = $(cat file7) &&
|
||||
test $(git rev-parse HEAD^) = $(git rev-parse master)
|
||||
'
|
||||
|
||||
test_expect_success 'retain authorship when squashing' '
|
||||
git show HEAD | grep "^Author: Nitfol"
|
||||
'
|
||||
|
||||
test_expect_success 'preserve merges with -p' '
|
||||
git checkout -b to-be-preserved master^ &&
|
||||
: > unrelated-file &&
|
||||
git add unrelated-file &&
|
||||
test_tick &&
|
||||
git commit -m "unrelated" &&
|
||||
git checkout -b to-be-rebased master &&
|
||||
echo B > file1 &&
|
||||
test_tick &&
|
||||
git commit -m J file1 &&
|
||||
test_tick &&
|
||||
git merge to-be-preserved &&
|
||||
echo C > file1 &&
|
||||
test_tick &&
|
||||
git commit -m K file1 &&
|
||||
git rebase -i -p --onto branch1 master &&
|
||||
test $(git rev-parse HEAD^^2) = $(git rev-parse to-be-preserved) &&
|
||||
test $(git rev-parse HEAD~3) = $(git rev-parse branch1) &&
|
||||
test $(git show HEAD:file1) = C &&
|
||||
test $(git show HEAD~2:file1) = B
|
||||
'
|
||||
|
||||
test_done
|
||||
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