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a334e1254c
Forwards the --stat, --no-stat, and --summary options on to git-rebase. Signed-off-by: Tor Arne Vestbø <torarnv@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
195 lines
5.3 KiB
Bash
Executable File
195 lines
5.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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# Fetch one or more remote refs and merge it/them into the current HEAD.
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USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff] [-s strategy]... [<fetch-options>] <repo> <head>...'
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LONG_USAGE='Fetch one or more remote refs and merge it/them into the current HEAD.'
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SUBDIRECTORY_OK=Yes
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OPTIONS_SPEC=
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. git-sh-setup
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set_reflog_action "pull $*"
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require_work_tree
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cd_to_toplevel
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test -z "$(git ls-files -u)" ||
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die "You are in the middle of a conflicted merge."
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strategy_args= diffstat= no_commit= squash= no_ff= log_arg= verbosity=
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curr_branch=$(git symbolic-ref -q HEAD)
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curr_branch_short=$(echo "$curr_branch" | sed "s|refs/heads/||")
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rebase=$(git config --bool branch.$curr_branch_short.rebase)
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while :
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do
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case "$1" in
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-q|--quiet)
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verbosity="$verbosity -q" ;;
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-v|--verbose)
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verbosity="$verbosity -v" ;;
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-n|--no-stat|--no-summary)
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diffstat=--no-stat ;;
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--stat|--summary)
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diffstat=--stat ;;
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--log|--no-log)
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log_arg=$1 ;;
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--no-c|--no-co|--no-com|--no-comm|--no-commi|--no-commit)
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no_commit=--no-commit ;;
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--c|--co|--com|--comm|--commi|--commit)
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no_commit=--commit ;;
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--sq|--squ|--squa|--squas|--squash)
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squash=--squash ;;
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--no-sq|--no-squ|--no-squa|--no-squas|--no-squash)
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squash=--no-squash ;;
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--ff)
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no_ff=--ff ;;
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--no-ff)
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no_ff=--no-ff ;;
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-s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
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--strateg=*|--strategy=*|\
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-s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
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case "$#,$1" in
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*,*=*)
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strategy=`expr "z$1" : 'z-[^=]*=\(.*\)'` ;;
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1,*)
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usage ;;
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*)
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strategy="$2"
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shift ;;
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esac
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strategy_args="${strategy_args}-s $strategy "
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;;
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-r|--r|--re|--reb|--reba|--rebas|--rebase)
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rebase=true
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;;
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--no-r|--no-re|--no-reb|--no-reba|--no-rebas|--no-rebase)
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rebase=false
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;;
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-h|--h|--he|--hel|--help)
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usage
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;;
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*)
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# Pass thru anything that may be meant for fetch.
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break
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;;
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esac
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shift
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done
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error_on_no_merge_candidates () {
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exec >&2
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for opt
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do
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case "$opt" in
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-t|--t|--ta|--tag|--tags)
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echo "Fetching tags only, you probably meant:"
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echo " git fetch --tags"
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exit 1
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esac
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done
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curr_branch=${curr_branch#refs/heads/}
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echo "You asked me to pull without telling me which branch you"
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echo "want to merge with, and 'branch.${curr_branch}.merge' in"
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echo "your configuration file does not tell me either. Please"
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echo "name which branch you want to merge on the command line and"
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echo "try again (e.g. 'git pull <repository> <refspec>')."
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echo "See git-pull(1) for details on the refspec."
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echo
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echo "If you often merge with the same branch, you may want to"
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echo "configure the following variables in your configuration"
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echo "file:"
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echo
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echo " branch.${curr_branch}.remote = <nickname>"
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echo " branch.${curr_branch}.merge = <remote-ref>"
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echo " remote.<nickname>.url = <url>"
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echo " remote.<nickname>.fetch = <refspec>"
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echo
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echo "See git-config(1) for details."
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exit 1
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}
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test true = "$rebase" && {
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git update-index --ignore-submodules --refresh &&
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git diff-files --ignore-submodules --quiet &&
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git diff-index --ignore-submodules --cached --quiet HEAD -- ||
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die "refusing to pull with rebase: your working tree is not up-to-date"
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. git-parse-remote &&
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origin="$1"
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test -z "$origin" && origin=$(get_default_remote)
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reflist="$(get_remote_refs_for_fetch "$@" 2>/dev/null |
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sed "s|refs/heads/\(.*\):|\1|")" &&
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oldremoteref="$(git rev-parse -q --verify \
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"refs/remotes/$origin/$reflist")"
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}
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orig_head=$(git rev-parse -q --verify HEAD)
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git fetch $verbosity --update-head-ok "$@" || exit 1
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curr_head=$(git rev-parse -q --verify HEAD)
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if test -n "$orig_head" && test "$curr_head" != "$orig_head"
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then
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# The fetch involved updating the current branch.
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# The working tree and the index file is still based on the
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# $orig_head commit, but we are merging into $curr_head.
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# First update the working tree to match $curr_head.
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echo >&2 "Warning: fetch updated the current branch head."
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echo >&2 "Warning: fast forwarding your working tree from"
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echo >&2 "Warning: commit $orig_head."
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git update-index --refresh 2>/dev/null
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git read-tree -u -m "$orig_head" "$curr_head" ||
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die 'Cannot fast-forward your working tree.
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After making sure that you saved anything precious from
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$ git diff '$orig_head'
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output, run
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$ git reset --hard
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to recover.'
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fi
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merge_head=$(sed -e '/ not-for-merge /d' \
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-e 's/ .*//' "$GIT_DIR"/FETCH_HEAD | \
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tr '\012' ' ')
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case "$merge_head" in
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'')
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case $? in
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0) error_on_no_merge_candidates "$@";;
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1) echo >&2 "You are not currently on a branch; you must explicitly"
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echo >&2 "specify which branch you wish to merge:"
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echo >&2 " git pull <remote> <branch>"
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exit 1;;
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*) exit $?;;
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esac
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;;
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?*' '?*)
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if test -z "$orig_head"
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then
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echo >&2 "Cannot merge multiple branches into empty head"
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exit 1
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fi
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if test true = "$rebase"
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then
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echo >&2 "Cannot rebase onto multiple branches"
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exit 1
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fi
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;;
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esac
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if test -z "$orig_head"
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then
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git update-ref -m "initial pull" HEAD $merge_head "$curr_head" &&
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git read-tree --reset -u HEAD || exit 1
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exit
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fi
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merge_name=$(git fmt-merge-msg $log_arg <"$GIT_DIR/FETCH_HEAD") || exit
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test true = "$rebase" &&
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exec git-rebase $diffstat $strategy_args --onto $merge_head \
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${oldremoteref:-$merge_head}
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exec git-merge $diffstat $no_commit $squash $no_ff $log_arg $strategy_args \
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"$merge_name" HEAD $merge_head $verbosity
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