Merge branch 'rs/discard-index-discard-array' into maint

diff --git a/git-pull.sh b/git-pull.sh
index 5d97e97bd95fe25d158058af025c48e47f6d241f..6828e2c7157fd80905e864b475c11ccc7a330e03 100755 (executable)
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -39,7 +39,7 @@ 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= progress= recurse_submodules=
+log_arg= verbosity= progress= recurse_submodules= verify_signatures=
 merge_args= edit=
 curr_branch=$(git symbolic-ref -q HEAD)
 curr_branch_short="${curr_branch#refs/heads/}"
@@ -125,6 +125,12 @@ do
        --no-recurse-submodules)
                recurse_submodules=--no-recurse-submodules
                ;;
+       --verify-signatures)
+               verify_signatures=--verify-signatures
+               ;;
+       --no-verify-signatures)
+               verify_signatures=--no-verify-signatures
+               ;;
        --d|--dr|--dry|--dry-|--dry-r|--dry-ru|--dry-run)
                dry_run=--dry-run
                ;;
@@ -260,10 +266,17 @@ case "$merge_head" in
        ;;
 esac
 
+# Pulling into unborn branch: a shorthand for branching off
+# FETCH_HEAD, for lazy typers.
 if test -z "$orig_head"
 then
-       git update-ref -m "initial pull" HEAD $merge_head "$curr_head" &&
-       git read-tree -m -u HEAD || exit 1
+       # Two-way merge: we claim the index is based on an empty tree,
+       # and try to fast-forward to HEAD.  This ensures we will not
+       # lose index/worktree changes that the user already made on
+       # the unborn branch.
+       empty_tree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+       git read-tree -m -u $empty_tree $merge_head &&
+       git update-ref -m "initial pull" HEAD $merge_head "$curr_head"
        exit
 fi
 
@@ -283,7 +296,7 @@ true)
        eval="$eval --onto $merge_head ${oldremoteref:-$merge_head}"
        ;;
 *)
-       eval="git-merge $diffstat $no_commit $edit $squash $no_ff $ff_only"
+       eval="git-merge $diffstat $no_commit $verify_signatures $edit $squash $no_ff $ff_only"
        eval="$eval  $log_arg $strategy_args $merge_args $verbosity $progress"
        eval="$eval \"\$merge_name\" HEAD $merge_head"
        ;;