# Copyright (c) 2005 Junio C Hamano.
#
-USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--onto <newbase>] [<upstream>|--root] [<branch>] [--quiet | -q]'
+USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] (<upstream>|--root) [<branch>] [--quiet | -q]'
LONG_USAGE='git-rebase replaces <branch> with a new branch of the
same name. When the --onto option is provided the new branch starts
out with a HEAD equal to <newbase>, otherwise it is equal to <upstream>
require_work_tree
cd_to_toplevel
+LF='
+'
OK_TO_SKIP_PRE_REBASE=
RESOLVEMSG="
When you have resolved this problem run \"git rebase --continue\".
"
unset newbase
strategy=recursive
+strategy_opts=
do_merge=
dotest="$GIT_DIR"/rebase-merge
prec=4
verbose=
-diffstat=$(git config --bool rebase.stat)
+diffstat=
+test "$(git config --bool rebase.stat)" = true && diffstat=t
git_am_opt=
rebase_root=
force_rebase=
+allow_rerere_autoupdate=
continue_merge () {
test -n "$prev_head" || die "prev_head must be defined"
then
printf "Committed: %0${prec}d " $msgnum
fi
+ echo "$cmt $(git rev-parse HEAD^0)" >> "$dotest/rewritten"
else
if test -z "$GIT_QUIET"
then
printf "Already applied: %0${prec}d " $msgnum
fi
fi
- if test -z "$GIT_QUIET"
- then
- git rev-list --pretty=oneline -1 "$cmt" | sed -e 's/^[^ ]* //'
- fi
+ test -z "$GIT_QUIET" &&
+ GIT_PAGER='' git log --format=%s -1 "$cmt"
prev_head=`git rev-parse HEAD^0`
# save the resulting commit so we can read-tree on it later
export GITHEAD_$cmt GITHEAD_$hd
if test -n "$GIT_QUIET"
then
- export GIT_MERGE_VERBOSITY=1
+ GIT_MERGE_VERBOSITY=1 && export GIT_MERGE_VERBOSITY
fi
- git-merge-$strategy "$cmt^" -- "$hd" "$cmt"
+ eval 'git-merge-$strategy' $strategy_opts '"$cmt^" -- "$hd" "$cmt"'
rv=$?
case "$rv" in
0)
return
;;
1)
- git rerere
+ git rerere $allow_rerere_autoupdate
die "$RESOLVEMSG"
;;
2)
finish_rb_merge () {
move_to_original_branch
+ git notes copy --for-rewrite=rebase < "$dotest"/rewritten
+ if test -x "$GIT_DIR"/hooks/post-rewrite &&
+ test -s "$dotest"/rewritten; then
+ "$GIT_DIR"/hooks/post-rewrite rebase < "$dotest"/rewritten
+ fi
rm -r "$dotest"
say All done.
}
is_interactive "$@" && exec git-rebase--interactive "$@"
-if test $# -eq 0
-then
- test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage
- test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing &&
- die 'A rebase is in progress, try --continue, --skip or --abort.'
- die "No arguments given and $GIT_DIR/rebase-apply already exists."
-fi
-
while test $# != 0
do
case "$1" in
--no-verify)
OK_TO_SKIP_PRE_REBASE=yes
;;
+ --verify)
+ OK_TO_SKIP_PRE_REBASE=
+ ;;
--continue)
test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply ||
die "No rebase in progress?"
+ git update-index --ignore-submodules --refresh &&
git diff-files --quiet --ignore-submodules || {
echo "You must edit all merge conflicts and then"
echo "mark them as resolved using git add"
die "No rebase in progress?"
git rerere clear
- if test -d "$dotest"
- then
- GIT_QUIET=$(cat "$dotest/quiet")
- move_to_original_branch
- else
- dotest="$GIT_DIR"/rebase-apply
- GIT_QUIET=$(cat "$dotest/quiet")
- move_to_original_branch
- fi
+
+ test -d "$dotest" || dotest="$GIT_DIR"/rebase-apply
+
+ head_name="$(cat "$dotest"/head-name)" &&
+ case "$head_name" in
+ refs/*)
+ git symbolic-ref HEAD $head_name ||
+ die "Could not move back to $head_name"
+ ;;
+ esac
git reset --hard $(cat "$dotest/orig-head")
rm -r "$dotest"
exit
-M|-m|--m|--me|--mer|--merg|--merge)
do_merge=t
;;
+ -X*|--strategy-option*)
+ case "$#,$1" in
+ 1,-X|1,--strategy-option)
+ usage ;;
+ *,-X|*,--strategy-option)
+ newopt="$2"
+ shift ;;
+ *,--strategy-option=*)
+ newopt="$(expr " $1" : ' --strategy-option=\(.*\)')" ;;
+ *,-X*)
+ newopt="$(expr " $1" : ' -X\(.*\)')" ;;
+ 1,*)
+ usage ;;
+ esac
+ strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--$newopt")"
+ do_merge=t
+ ;;
-s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
--strateg=*|--strategy=*|\
-s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
--root)
rebase_root=t
;;
- -f|--f|--fo|--for|--forc|force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase)
+ -f|--f|--fo|--for|--forc|--force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase|--no-ff)
force_rebase=t
;;
+ --rerere-autoupdate|--no-rerere-autoupdate)
+ allow_rerere_autoupdate="$1"
+ ;;
-*)
usage
;;
done
test $# -gt 2 && usage
+if test $# -eq 0 && test -z "$rebase_root"
+then
+ test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage
+ test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing &&
+ die 'A rebase is in progress, try --continue, --skip or --abort.'
+fi
+
# Make sure we do not have $GIT_DIR/rebase-apply
if test -z "$do_merge"
then
fi
fi
-# The tree must be really really clean.
-if ! git update-index --ignore-submodules --refresh > /dev/null; then
- echo >&2 "cannot rebase: you have unstaged changes"
- git diff-files --name-status -r --ignore-submodules -- >&2
- exit 1
-fi
-diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --)
-case "$diff" in
-?*) echo >&2 "cannot rebase: your index contains uncommitted changes"
- echo >&2 "$diff"
- exit 1
- ;;
-esac
+require_clean_work_tree "rebase" "Please commit or stash them."
if test -z "$rebase_root"
then
# Make sure the branch to rebase onto is valid.
onto_name=${newbase-"$upstream_name"}
-onto=$(git rev-parse --verify "${onto_name}^0") || exit
+case "$onto_name" in
+*...*)
+ if left=${onto_name%...*} right=${onto_name#*...} &&
+ onto=$(git merge-base --all ${left:-HEAD} ${right:-HEAD})
+ then
+ case "$onto" in
+ ?*"$LF"?*)
+ die "$onto_name: there are more than one merge bases"
+ ;;
+ '')
+ die "$onto_name: there is no merge base"
+ ;;
+ esac
+ else
+ die "$onto_name: there is no merge base"
+ fi
+ ;;
+*)
+ onto=$(git rev-parse --verify "${onto_name}^0") || exit
+ ;;
+esac
# If a hook exists, give it a chance to interrupt
run_pre_rebase_hook "$upstream_arg" "$@"
then
head_name="detached HEAD"
else
+ echo >&2 "fatal: no such branch: $1"
usage
fi
;;
if test -z "$force_rebase"
then
# Lazily switch to the target branch if needed...
- test -z "$switch_to" || git checkout "$switch_to"
+ test -z "$switch_to" || git checkout "$switch_to" --
say "Current branch $branch_name is up to date."
exit 0
else
fi
# If the $onto is a proper descendant of the tip of the branch, then
-# we just fast forwarded.
+# we just fast-forwarded.
if test "$mb" = "$branch"
then
say "Fast-forwarded $branch_name to $onto_name."
if test -z "$do_merge"
then
git format-patch -k --stdout --full-index --ignore-if-in-upstream \
- $root_flag "$revisions" |
+ --src-prefix=a/ --dst-prefix=b/ \
+ --no-renames $root_flag "$revisions" |
git am $git_am_opt --rebasing --resolvemsg="$RESOLVEMSG" &&
move_to_original_branch
ret=$?
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