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diff --git a/git-pull.sh b/git-pull.sh
index 076785c96b30b4fd8ab944324fd53db7c584567a..a3665d7751cc836dc669390df7b972c29575037b 100755 (executable)
--- a/git-pull.sh
+++ b/git-pull.sh
USAGE='[-n | --no-summary] [--no-commit] [-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
. git-sh-setup
+set_reflog_action "pull $*"
+require_work_tree
+cd_to_toplevel
+
+test -z "$(git ls-files -u)" ||
+ die "You are in the middle of a conflicted merge."
strategy_args= no_summary= no_commit= squash=
while case "$#,$1" in 0) break ;; *,-*) ;; *) break ;; esac
shift
done
-orig_head=$(git-rev-parse --verify HEAD) || die "Pulling into a black hole?"
+orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
git-fetch --update-head-ok "$@" || exit 1
-curr_head=$(git-rev-parse --verify HEAD)
+curr_head=$(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: $orig_head commit."
+ echo >&2 "Warning: commit $orig_head."
git-update-index --refresh 2>/dev/null
git-read-tree -u -m "$orig_head" "$curr_head" ||
die 'Cannot fast-forward your working tree.
case "$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 $?;;
+ esac
+ curr_branch=${curr_branch#refs/heads/}
+
+ echo >&2 "Warning: No merge candidate found because value of config option
+ \"branch.${curr_branch}.merge\" does not match any remote branch fetched."
echo >&2 "No changes."
exit 0
;;
?*' '?*)
- var=`git-repo-config --get pull.octopus`
- if test -n "$var"
+ if test -z "$orig_head"
then
- strategy_default_args="-s $var"
- fi
- ;;
-*)
- var=`git-repo-config --get pull.twohead`
- if test -n "$var"
- then
- strategy_default_args="-s $var"
+ echo >&2 "Cannot merge multiple branches into empty head"
+ exit 1
fi
;;
esac
-case "$strategy_args" in
-'')
- strategy_args=$strategy_default_args
- ;;
-esac
+if test -z "$orig_head"
+then
+ 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
-git-merge $no_summary $no_commit $squash $strategy_args \
+exec git-merge $no_summary $no_commit $squash $strategy_args \
"$merge_name" HEAD $merge_head