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diff --git a/git-pull.sh b/git-pull.sh
index bfeb4a0ff65fabaa49b212411ee2451cbf656f3d..2de4c3aa70c10203aebe4e117b30422e39f41e02 100755 (executable)
--- a/git-pull.sh
+++ b/git-pull.sh
require_work_tree
cd_to_toplevel
-test -z "$(git ls-files -u)" ||
- die "You are in the middle of a conflicted merge."
+
+die_conflict () {
+ git diff-index --cached --name-status -r --ignore-submodules HEAD --
+ if [ $(git config --bool --get advice.resolveConflict || echo true) = "true" ]; then
+ die "Pull is not possible because you have unmerged files.
+Please, fix them up in the work tree, and then use 'git add/rm <file>'
+as appropriate to mark resolution, or use 'git commit -a'."
+ else
+ die "Pull is not possible because you have unmerged files."
+ fi
+}
+
+die_merge () {
+ if [ $(git config --bool --get advice.resolveConflict || echo true) = "true" ]; then
+ die "You have not concluded your merge (MERGE_HEAD exists).
+Please, commit your changes before you can merge."
+ else
+ die "You have not concluded your merge (MERGE_HEAD exists)."
+ fi
+}
+
+test -z "$(git ls-files -u)" || die_conflict
+test -f "$GIT_DIR/MERGE_HEAD" && die_merge
strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
log_arg= verbosity=
+merge_args=
curr_branch=$(git symbolic-ref -q HEAD)
curr_branch_short=$(echo "$curr_branch" | sed "s|refs/heads/||")
rebase=$(git config --bool branch.$curr_branch_short.rebase)
esac
strategy_args="${strategy_args}-s $strategy "
;;
+ -X*)
+ case "$#,$1" in
+ 1,-X)
+ usage ;;
+ *,-X)
+ xx="-X $(git rev-parse --sq-quote "$2")"
+ shift ;;
+ *,*)
+ xx=$(git rev-parse --sq-quote "$1") ;;
+ esac
+ merge_args="$merge_args$xx "
+ ;;
-r|--r|--re|--reb|--reba|--rebas|--rebase)
rebase=true
;;
esac
done
+ if test true = "$rebase"
+ then
+ op_type=rebase
+ op_prep=against
+ else
+ op_type=merge
+ op_prep=with
+ fi
+
curr_branch=${curr_branch#refs/heads/}
upstream=$(git config "branch.$curr_branch.merge")
remote=$(git config "branch.$curr_branch.remote")
if [ $# -gt 1 ]; then
- echo "There are no candidates for merging in the refs that you just fetched."
+ if [ "$rebase" = true ]; then
+ printf "There is no candidate for rebasing against "
+ else
+ printf "There are no candidates for merging "
+ fi
+ echo "among the refs that you just fetched."
echo "Generally this means that you provided a wildcard refspec which had no"
echo "matches on the remote end."
elif [ $# -gt 0 ] && [ "$1" != "$remote" ]; then
echo "You asked to pull from the remote '$1', but did not specify"
- echo "a branch to merge. Because this is not the default configured remote"
+ echo "a branch. Because this is not the default configured remote"
echo "for your current branch, you must specify a branch on the command line."
elif [ -z "$curr_branch" ]; then
echo "You are not currently on a branch, so I cannot use any"
echo "'branch.<branchname>.merge' in your configuration file."
- echo "Please specify which branch you want to merge on the command"
+ echo "Please specify which remote branch you want to use on the command"
echo "line and try again (e.g. 'git pull <repository> <refspec>')."
echo "See git-pull(1) for details."
elif [ -z "$upstream" ]; then
echo "You asked me to pull without telling me which branch you"
- echo "want to merge with, and 'branch.${curr_branch}.merge' in"
- echo "your configuration file does not tell me either. Please"
- echo "specify which branch you want to merge on the command line and"
+ echo "want to $op_type $op_prep, and 'branch.${curr_branch}.merge' in"
+ echo "your configuration file does not tell me, either. Please"
+ echo "specify which branch you want to use on the command line and"
echo "try again (e.g. 'git pull <repository> <refspec>')."
echo "See git-pull(1) for details."
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 "If you often $op_type $op_prep the same branch, you may want to"
+ echo "use something like the following in your configuration file:"
+ echo
+ echo " [branch \"${curr_branch}\"]"
+ echo " remote = <nickname>"
+ echo " merge = <remote-ref>"
+ test rebase = "$op_type" &&
+ echo " rebase = true"
echo
- echo " branch.${curr_branch}.remote = <nickname>"
- echo " branch.${curr_branch}.merge = <remote-ref>"
- echo " remote.<nickname>.url = <url>"
- echo " remote.<nickname>.fetch = <refspec>"
+ echo " [remote \"<nickname>\"]"
+ echo " url = <url>"
+ echo " fetch = <refspec>"
echo
echo "See git-config(1) for details."
else
- echo "Your configuration specifies to merge the ref '${upstream#refs/heads/}' from the"
- echo "remote, but no such ref was fetched."
+ echo "Your configuration specifies to $op_type $op_prep the ref '${upstream#refs/heads/}'"
+ echo "from the remote, but no such ref was fetched."
fi
exit 1
}
fi
merge_name=$(git fmt-merge-msg $log_arg <"$GIT_DIR/FETCH_HEAD") || exit
-test true = "$rebase" &&
- exec git-rebase $diffstat $strategy_args --onto $merge_head \
- ${oldremoteref:-$merge_head}
-exec git-merge $diffstat $no_commit $squash $no_ff $ff_only $log_arg $strategy_args \
- "$merge_name" HEAD $merge_head $verbosity
+case "$rebase" in
+true)
+ eval="git-rebase $diffstat $strategy_args $merge_args"
+ eval="$eval --onto $merge_head ${oldremoteref:-$merge_head}"
+ ;;
+*)
+ eval="git-merge $diffstat $no_commit $squash $no_ff $ff_only"
+ eval="$eval $log_arg $strategy_args $merge_args"
+ eval="$eval \"$merge_name\" HEAD $merge_head $verbosity"
+ ;;
+esac
+eval "exec $eval"