#!/bin/rc

. /sys/lib/git/common.rc
gitup

flagfmt='a:abort, r:resume'; args='onto'
eval `''{aux/getflags $*} || exec aux/usage

tmp=_rebase.working
if(~ $#abort 1){
	if(! test -f .git/rebase.todo)
		die no rebase to abort
	src=`{cat .git/rebase.src}
	rm -f .git/rebase.^(src dst todo)
	git/branch $src
	git/branch -d $tmp
	exit
}

if(test -f .git/rebase.todo){
	if(~ $#resume 0)
		die rebase in progress
	if(! ~ $#* 0)
		aux/usage
	src=`{cat .git/rebase.src}
	dst=`{cat .git/rebase.dst}
	commits=`{cat .git/rebase.todo}
}
if not{
	if(! ~ $#* 1)
		aux/usage
	src=`{git/branch}
	dst=`{git/query $1}
	commits=`{git/query $onto $src @ .. $src}
	## TODO: edit $commits here for -i
}

git/branch -nb $dst $tmp
while(! ~ $#commmits 0){
	c=$commits(1)
	commits=$commits(2-)
	if(! git/export $c | git/import){
		echo $src > .git/rebase.src
		echo $dst > .git/rebase.dst
		echo $commits > .git/rebase.todo
		die $c: fix and git/rebase -r
	}
}

git/branch -nb $tmp $src
git/branch -d $tmp