#
# Fetch one or more remote refs and merge it/them into the current HEAD.
-USAGE='[-n | --no-summary] [--[no-]commit] [--[no-]squash] [--[no-]ff] [-s strategy]... [<fetch-options>] <repo> <head>...'
+USAGE='[-n | --no-stat] [--[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=
test -z "$(git ls-files -u)" ||
die "You are in the middle of a conflicted merge."
-strategy_args= no_summary= no_commit= squash= no_ff=
+strategy_args= no_stat= no_commit= squash= no_ff= log_arg= verbosity=
curr_branch=$(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-summa|--no-summar|--no-summary)
- no_summary=-n ;;
- --summary)
- no_summary=$1
- ;;
+ -q|--quiet)
+ verbosity="$verbosity -q" ;;
+ -v|--verbose)
+ verbosity="$verbosity -v" ;;
+ -n|--no-stat|--no-summary)
+ no_stat=-n ;;
+ --stat|--summary)
+ no_stat=$1 ;;
+ --log|--no-log)
+ log_arg=$1 ;;
--no-c|--no-co|--no-com|--no-comm|--no-commi|--no-commit)
no_commit=--no-commit ;;
--c|--co|--com|--comm|--commi|--commit)
shift
done
-orig_head=$(git rev-parse --verify HEAD 2>/dev/null)
-git-fetch --update-head-ok "$@" || exit 1
+error_on_no_merge_candidates () {
+ exec >&2
+ for opt
+ do
+ case "$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
+}
-curr_head=$(git rev-parse --verify HEAD 2>/dev/null)
-if test "$curr_head" != "$orig_head"
+test true = "$rebase" && {
+ git update-index --ignore-submodules --refresh &&
+ git diff-files --ignore-submodules --quiet &&
+ git diff-index --ignore-submodules --cached --quiet HEAD -- ||
+ die "refusing to pull with rebase: your working tree is not up-to-date"
+
+ . 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="$(git rev-parse -q --verify \
+ "refs/remotes/$origin/$reflist")"
+}
+orig_head=$(git rev-parse -q --verify HEAD)
+git fetch $verbosity --update-head-ok "$@" || exit 1
+
+curr_head=$(git rev-parse -q --verify HEAD)
+if test -n "$orig_head" && test "$curr_head" != "$orig_head"
then
# The fetch involved updating the current branch.
case "$merge_head" in
'')
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 "You asked me to pull without telling me which branch you"
- echo >&2 "want to merge with, and 'branch.${curr_branch}.merge' in"
- echo >&2 "your configuration file does not tell me either. Please"
- echo >&2 "name which branch you want to merge on the command line and"
- echo >&2 "try again (e.g. 'git pull <repository> <refspec>')."
- echo >&2 "See git-pull(1) for details on the refspec."
- echo >&2
- echo >&2 "If you often merge with the same branch, you may want to"
- echo >&2 "configure the following variables in your configuration"
- echo >&2 "file:"
- echo >&2
- echo >&2 " branch.${curr_branch}.remote = <nickname>"
- echo >&2 " branch.${curr_branch}.merge = <remote-ref>"
- echo >&2 " remote.<nickname>.url = <url>"
- echo >&2 " remote.<nickname>.fetch = <refspec>"
- echo >&2
- echo >&2 "See git-config(1) for details."
- exit 1
;;
?*' '?*)
if test -z "$orig_head"
if test -z "$orig_head"
then
- git update-ref -m "initial pull" HEAD $merge_head "" &&
+ git update-ref -m "initial pull" HEAD $merge_head "$curr_head" &&
git read-tree --reset -u HEAD || exit 1
exit
fi
-merge_name=$(git fmt-merge-msg <"$GIT_DIR/FETCH_HEAD") || exit
-test true = "$rebase" && exec git-rebase $merge_head
-exec git-merge $no_summary $no_commit $squash $no_ff $strategy_args \
- "$merge_name" HEAD $merge_head
+merge_name=$(git fmt-merge-msg $log_arg <"$GIT_DIR/FETCH_HEAD") || exit
+test true = "$rebase" &&
+ exec git-rebase $strategy_args --onto $merge_head \
+ ${oldremoteref:-$merge_head}
+exec git-merge $no_stat $no_commit $squash $no_ff $log_arg $strategy_args \
+ "$merge_name" HEAD $merge_head $verbosity