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 "$GIT_DIR/MERGE_HEAD" && die_merge
strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
-log_arg= verbosity=
+log_arg= verbosity= progress= recurse_submodules=
+merge_args=
curr_branch=$(git symbolic-ref -q HEAD)
-curr_branch_short=$(echo "$curr_branch" | sed "s|refs/heads/||")
+curr_branch_short="${curr_branch#refs/heads/}"
rebase=$(git config --bool branch.$curr_branch_short.rebase)
+dry_run=
while :
do
case "$1" in
verbosity="$verbosity -q" ;;
-v|--verbose)
verbosity="$verbosity -v" ;;
+ --progress)
+ progress=--progress ;;
-n|--no-stat|--no-summary)
diffstat=--no-stat ;;
--stat|--summary)
esac
strategy_args="${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$xx "
+ ;;
-r|--r|--re|--reb|--reba|--rebas|--rebase)
rebase=true
;;
--no-r|--no-re|--no-reb|--no-reba|--no-rebas|--no-rebase)
rebase=false
;;
+ --recurse-submodules)
+ recurse_submodules=--recurse-submodules
+ ;;
+ --no-recurse-submodules)
+ recurse_submodules=--no-recurse-submodules
+ ;;
+ --d|--dr|--dry|--dry-|--dry-r|--dry-ru|--dry-run)
+ dry_run=--dry-run
+ ;;
-h|--h|--he|--hel|--help)
usage
;;
die "updating an unborn branch with changes added to the index"
fi
else
- git update-index --ignore-submodules --refresh &&
- git diff-files --ignore-submodules --quiet &&
- git diff-index --ignore-submodules --cached --quiet HEAD -- ||
- die "refusing to pull with rebase: your working tree is not up-to-date"
+ require_clean_work_tree "pull with rebase" "Please commit or stash them."
fi
oldremoteref= &&
. git-parse-remote &&
done
}
orig_head=$(git rev-parse -q --verify HEAD)
-git fetch $verbosity --update-head-ok "$@" || exit 1
+git fetch $verbosity $progress $dry_run $recurse_submodules --update-head-ok "$@" || exit 1
+test -z "$dry_run" || exit 0
curr_head=$(git rev-parse -q --verify HEAD)
if test -n "$orig_head" && test "$curr_head" != "$orig_head"
exit
fi
+if test true = "$rebase"
+then
+ o=$(git show-branch --merge-base $curr_branch $merge_head $oldremoteref)
+ if test "$oldremoteref" = "$o"
+ then
+ unset oldremoteref
+ fi
+fi
+
merge_name=$(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"