- echo $HEAD > "$DOTEST"/head
- case "$REBASE_ROOT" in
- '')
- rm -f "$DOTEST"/rebase-root ;;
- *)
- : >"$DOTEST"/rebase-root ;;
- esac
- echo $ONTO > "$DOTEST"/onto
- test -z "$STRATEGY" || echo "$STRATEGY" > "$DOTEST"/strategy
- test t = "$VERBOSE" && : > "$DOTEST"/verbose
- if test t = "$PRESERVE_MERGES"
- then
- if test -z "$REBASE_ROOT"
- then
- mkdir "$REWRITTEN" &&
- for c in $(git merge-base --all $HEAD $UPSTREAM)
- do
- echo $ONTO > "$REWRITTEN"/$c ||
- die "Could not init rewritten commits"
- done
- else
- mkdir "$REWRITTEN" &&
- echo $ONTO > "$REWRITTEN"/root ||
- die "Could not init rewritten commits"
- fi
- # No cherry-pick because our first pass is to determine
- # parents to rewrite and skipping dropped commits would
- # prematurely end our probe
- MERGES_OPTION=
- first_after_upstream="$(git rev-list --reverse --first-parent $UPSTREAM..$HEAD | head -n 1)"
- else
- MERGES_OPTION="--no-merges --cherry-pick"
- fi
-
- SHORTHEAD=$(git rev-parse --short $HEAD)
- SHORTONTO=$(git rev-parse --short $ONTO)
- if test -z "$REBASE_ROOT"
- # this is now equivalent to ! -z "$UPSTREAM"
- then
- SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
- REVISIONS=$UPSTREAM...$HEAD
- SHORTREVISIONS=$SHORTUPSTREAM..$SHORTHEAD
- else
- REVISIONS=$ONTO...$HEAD
- SHORTREVISIONS=$SHORTHEAD
- fi
- git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
- --abbrev=7 --reverse --left-right --topo-order \
- $REVISIONS | \
- sed -n "s/^>//p" |
- while read -r shortsha1 rest
+if test -z "$REBASE_ROOT"
+then
+ UPSTREAM_ARG="$1"
+ UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base"
+ test -z "$ONTO" && ONTO=$UPSTREAM
+ shift
+else
+ UPSTREAM=
+ UPSTREAM_ARG=--root
+ test -z "$ONTO" &&
+ die "You must specify --onto when using --root"
+fi
+run_pre_rebase_hook "$UPSTREAM_ARG" "$@"
+
+comment_for_reflog start
+
+require_clean_work_tree "rebase" "Please commit or stash them."
+
+if test ! -z "$1"
+then
+ output git checkout "$1" -- ||
+ die "Could not checkout $1"
+fi
+
+HEAD=$(git rev-parse --verify HEAD) || die "No HEAD?"
+mkdir "$DOTEST" || die "Could not create temporary $DOTEST"
+
+: > "$DOTEST"/interactive || die "Could not mark as interactive"
+git symbolic-ref HEAD > "$DOTEST"/head-name 2> /dev/null ||
+ echo "detached HEAD" > "$DOTEST"/head-name
+
+echo $HEAD > "$DOTEST"/head
+case "$REBASE_ROOT" in
+'')
+ rm -f "$DOTEST"/rebase-root ;;
+*)
+ : >"$DOTEST"/rebase-root ;;
+esac
+echo $ONTO > "$DOTEST"/onto
+test -z "$STRATEGY" || echo "$STRATEGY" > "$DOTEST"/strategy
+test t = "$VERBOSE" && : > "$DOTEST"/verbose
+if test t = "$PRESERVE_MERGES"
+then
+ if test -z "$REBASE_ROOT"
+ then
+ mkdir "$REWRITTEN" &&
+ for c in $(git merge-base --all $HEAD $UPSTREAM)