apply: use the right attribute for paths in non-Git patches

diff --git a/git-rebase.sh b/git-rebase.sh
index b2f1c76dc3ede707870564a8ba73af6d1753e95c..07e2bd48dc60811db7ee5e44c127aa0480c0ec1d 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -13,6 +13,8 @@ git-rebase --continue | --abort | --skip | --edit-todo
  Available options are
 v,verbose!         display a diffstat of what changed upstream
 q,quiet!           be quiet. implies --no-stat
+autostash!         automatically stash/stash pop before and after
+fork-point         use 'merge-base --fork-point' to refine upstream
 onto=!             rebase onto given branch instead of upstream
 p,preserve-merges! try to recreate merges instead of ignoring them
 s,strategy=!       use the given merge strategy
@@ -64,6 +66,8 @@ apply_dir="$GIT_DIR"/rebase-apply
 verbose=
 diffstat=
 test "$(git config --bool rebase.stat)" = true && diffstat=t
+autostash="$(git config --bool rebase.autostash || echo false)"
+fork_point=auto
 git_am_opt=
 rebase_root=
 force_rebase=
@@ -82,6 +86,8 @@ keep_empty=
 test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t
 
 read_basic_state () {
+       test -f "$state_dir/head-name" &&
+       test -f "$state_dir/onto" &&
        head_name=$(cat "$state_dir"/head-name) &&
        onto=$(cat "$state_dir"/onto) &&
        # We always write to orig-head, but interactive rebase used to write to
@@ -143,6 +149,26 @@ move_to_original_branch () {
        esac
 }
 
+finish_rebase () {
+       if test -f "$state_dir/autostash"
+       then
+               stash_sha1=$(cat "$state_dir/autostash")
+               if git stash apply $stash_sha1 2>&1 >/dev/null
+               then
+                       echo "$(gettext 'Applied autostash.')"
+               else
+                       git stash store -m "autostash" -q $stash_sha1 ||
+                       die "$(eval_gettext "Cannot store \$stash_sha1")"
+                       gettext 'Applying autostash resulted in conflicts.
+Your changes are safe in the stash.
+You can run "git stash pop" or "git stash drop" at any time.
+'
+               fi
+       fi
+       git gc --auto &&
+       rm -rf "$state_dir"
+}
+
 run_specific_rebase () {
        if [ "$interactive_rebase" = implied ]; then
                GIT_EDITOR=:
@@ -150,6 +176,12 @@ run_specific_rebase () {
                autosquash=
        fi
        . git-rebase--$type
+       ret=$?
+       if test $ret -eq 0
+       then
+               finish_rebase
+       fi
+       exit $ret
 }
 
 run_pre_rebase_hook () {
@@ -221,6 +253,12 @@ do
        --no-autosquash)
                autosquash=
                ;;
+       --fork-point)
+               fork_point=t
+               ;;
+       --no-fork-point)
+               fork_point=
+               ;;
        -M|-m)
                do_merge=t
                ;;
@@ -241,6 +279,9 @@ do
        --stat)
                diffstat=t
                ;;
+       --autostash)
+               autostash=true
+               ;;
        -v)
                verbose=t
                diffstat=t
@@ -341,7 +382,7 @@ abort)
                ;;
        esac
        output git reset --hard $orig_head
-       rm -r "$state_dir"
+       finish_rebase
        exit
        ;;
 edit-todo)
@@ -395,12 +436,14 @@ then
                        error_on_missing_default_upstream "rebase" "rebase" \
                                "against" "git rebase <branch>"
                fi
+
+               test "$fork_point" = auto && fork_point=t
                ;;
        *)      upstream_name="$1"
                shift
                ;;
        esac
-       upstream=`git rev-parse --verify "${upstream_name}^0"` ||
+       upstream=$(peel_committish "${upstream_name}") ||
        die "$(eval_gettext "invalid upstream \$upstream_name")"
        upstream_arg="$upstream_name"
 else
@@ -436,7 +479,7 @@ case "$onto_name" in
        fi
        ;;
 *)
-       onto=$(git rev-parse --verify "${onto_name}^0") ||
+       onto=$(peel_committish "$onto_name") ||
        die "$(eval_gettext "Does not point to a valid commit: \$onto_name")"
        ;;
 esac
@@ -473,13 +516,35 @@ case "$#" in
                head_name="detached HEAD"
                branch_name=HEAD ;# detached
        fi
-       orig_head=$(git rev-parse --verify "${branch_name}^0") || exit
+       orig_head=$(git rev-parse --verify HEAD) || exit
        ;;
 *)
        die "BUG: unexpected number of arguments left to parse"
        ;;
 esac
 
+if test "$fork_point" = t
+then
+       new_upstream=$(git merge-base --fork-point "$upstream_name" \
+                       "${switch_to:-HEAD}")
+       if test -n "$new_upstream"
+       then
+               upstream=$new_upstream
+       fi
+fi
+
+if test "$autostash" = true && ! (require_clean_work_tree) 2>/dev/null
+then
+       stash_sha1=$(git stash create "autostash") ||
+       die "$(gettext 'Cannot autostash')"
+
+       mkdir -p "$state_dir" &&
+       echo $stash_sha1 >"$state_dir/autostash" &&
+       stash_abbrev=$(git rev-parse --short $stash_sha1) &&
+       echo "$(eval_gettext 'Created autostash: $stash_abbrev')" &&
+       git reset --hard
+fi
+
 require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")"
 
 # Now we are rebasing commits $upstream..$orig_head (or with --root,
@@ -497,8 +562,11 @@ then
        if test -z "$force_rebase"
        then
                # Lazily switch to the target branch if needed...
-               test -z "$switch_to" || git checkout "$switch_to" --
+               test -z "$switch_to" ||
+               GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \
+                       git checkout "$switch_to" --
                say "$(eval_gettext "Current branch \$branch_name is up to date.")"
+               finish_rebase
                exit 0
        else
                say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")"
@@ -522,7 +590,9 @@ test "$type" = interactive && run_specific_rebase
 
 # Detach HEAD and reset the tree
 say "$(gettext "First, rewinding head to replay your work on top of it...")"
-git checkout -q "$onto^0" || die "could not detach HEAD"
+
+GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name" \
+       git checkout -q "$onto^0" || die "could not detach HEAD"
 git update-ref ORIG_HEAD $orig_head
 
 # If the $onto is a proper descendant of the tip of the branch, then
@@ -531,6 +601,7 @@ if test "$mb" = "$orig_head"
 then
        say "$(eval_gettext "Fast-forwarded \$branch_name to \$onto_name.")"
        move_to_original_branch
+       finish_rebase
        exit 0
 fi