#
# Fetch one or more remote refs and merge it/them into the current HEAD.
-USAGE='[-n | --no-summary] [--no-commit] [-s strategy]... [<fetch-options>] <repo> <head>...'
+USAGE='[-n | --no-summary] [--[no-]commit] [--[no-]squash] [--[no-]ff] [-s strategy]... [<fetch-options>] <repo> <head>...'
LONG_USAGE='Fetch one or more remote refs and merge it/them into the current HEAD.'
SUBDIRECTORY_OK=Yes
+OPTIONS_SPEC=
. git-sh-setup
set_reflog_action "pull $*"
require_work_tree
test -z "$(git ls-files -u)" ||
die "You are in the middle of a conflicted merge."
-strategy_args= no_summary= no_commit= squash=
-while case "$#,$1" in 0) break ;; *,-*) ;; *) break ;; esac
+strategy_args= no_summary= no_commit= squash= no_ff=
+curr_branch=$(git symbolic-ref -q HEAD)
+curr_branch_short=$(echo "$curr_branch" | sed "s|refs/heads/||")
+rebase=$(git config --bool branch.$curr_branch_short.rebase)
+while :
do
case "$1" in
-n|--n|--no|--no-|--no-s|--no-su|--no-sum|--no-summ|\
;;
--no-c|--no-co|--no-com|--no-comm|--no-commi|--no-commit)
no_commit=--no-commit ;;
+ --c|--co|--com|--comm|--commi|--commit)
+ no_commit=--commit ;;
--sq|--squ|--squa|--squas|--squash)
squash=--squash ;;
+ --no-sq|--no-squ|--no-squa|--no-squas|--no-squash)
+ squash=--no-squash ;;
+ --ff)
+ no_ff=--ff ;;
+ --no-ff)
+ no_ff=--no-ff ;;
-s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
--strateg=*|--strategy=*|\
-s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
esac
strategy_args="${strategy_args}-s $strategy "
;;
+ -r|--r|--re|--reb|--reba|--rebas|--rebase)
+ rebase=true
+ ;;
+ --no-r|--no-re|--no-reb|--no-reba|--no-rebas|--no-rebase)
+ rebase=false
+ ;;
-h|--h|--he|--hel|--help)
usage
;;
- -*)
- # Pass thru anything that is meant for fetch.
+ *)
+ # Pass thru anything that may be meant for fetch.
break
;;
esac
shift
done
-orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
+error_on_no_merge_candidates () {
+ exec >&2
+ for opt
+ do
+ case "$opt" in
+ -t|--t|--ta|--tag|--tags)
+ echo "Fetching tags only, you probably meant:"
+ echo " git fetch --tags"
+ exit 1
+ esac
+ done
+
+ curr_branch=${curr_branch#refs/heads/}
+
+ echo "You asked me to pull without telling me which branch you"
+ echo "want to merge with, and 'branch.${curr_branch}.merge' in"
+ echo "your configuration file does not tell me either. Please"
+ echo "name which branch you want to merge on the command line and"
+ echo "try again (e.g. 'git pull <repository> <refspec>')."
+ echo "See git-pull(1) for details on the refspec."
+ echo
+ echo "If you often merge with the same branch, you may want to"
+ echo "configure the following variables in your configuration"
+ echo "file:"
+ echo
+ echo " branch.${curr_branch}.remote = <nickname>"
+ echo " branch.${curr_branch}.merge = <remote-ref>"
+ echo " remote.<nickname>.url = <url>"
+ echo " remote.<nickname>.fetch = <refspec>"
+ echo
+ echo "See git-config(1) for details."
+ exit 1
+}
+
+test true = "$rebase" && {
+ . git-parse-remote &&
+ origin="$1"
+ test -z "$origin" && origin=$(get_default_remote)
+ reflist="$(get_remote_refs_for_fetch "$@" 2>/dev/null |
+ sed "s|refs/heads/\(.*\):|\1|")" &&
+ oldremoteref="$(git rev-parse --verify \
+ "refs/remotes/$origin/$reflist" 2>/dev/null)"
+}
+orig_head=$(git rev-parse --verify HEAD 2>/dev/null)
git-fetch --update-head-ok "$@" || exit 1
-curr_head=$(git-rev-parse --verify HEAD 2>/dev/null)
+curr_head=$(git rev-parse --verify HEAD 2>/dev/null)
if test "$curr_head" != "$orig_head"
then
# The fetch involved updating the current branch.
echo >&2 "Warning: fetch updated the current branch head."
echo >&2 "Warning: fast forwarding your working tree from"
echo >&2 "Warning: commit $orig_head."
- git-update-index --refresh 2>/dev/null
- git-read-tree -u -m "$orig_head" "$curr_head" ||
+ git update-index --refresh 2>/dev/null
+ git read-tree -u -m "$orig_head" "$curr_head" ||
die 'Cannot fast-forward your working tree.
After making sure that you saved anything precious from
$ git diff '$orig_head'
case "$merge_head" in
'')
- curr_branch=$(git-symbolic-ref -q HEAD)
case $? in
- 0) ;;
- 1) echo >&2 "You are not currently on a branch; you must explicitly"
- echo >&2 "specify which branch you wish to merge:"
- echo >&2 " git pull <remote> <branch>"
- exit 1;;
- *) exit $?;;
+ 0) error_on_no_merge_candidates "$@";;
+ 1) echo >&2 "You are not currently on a branch; you must explicitly"
+ echo >&2 "specify which branch you wish to merge:"
+ echo >&2 " git pull <remote> <branch>"
+ exit 1;;
+ *) exit $?;;
esac
- curr_branch=${curr_branch#refs/heads/}
-
- echo >&2 "Warning: No merge candidate found because value of config option
- \"branch.${curr_branch}.merge\" does not match any remote branch fetched."
- echo >&2 "No changes."
- exit 0
;;
?*' '?*)
if test -z "$orig_head"
if test -z "$orig_head"
then
- git-update-ref -m "initial pull" HEAD $merge_head "" &&
- git-read-tree --reset -u HEAD || exit 1
+ git update-ref -m "initial pull" HEAD $merge_head "" &&
+ git read-tree --reset -u HEAD || exit 1
exit
fi
-merge_name=$(git-fmt-merge-msg <"$GIT_DIR/FETCH_HEAD") || exit
-exec git-merge $no_summary $no_commit $squash $strategy_args \
+merge_name=$(git fmt-merge-msg <"$GIT_DIR/FETCH_HEAD") || exit
+test true = "$rebase" &&
+ exec git-rebase --onto $merge_head ${oldremoteref:-$merge_head}
+exec git-merge $no_summary $no_commit $squash $no_ff $strategy_args \
"$merge_name" HEAD $merge_head