shithub: git9

ref: 0225afc4a1006abac5f35cec0bfe27623f03e3f9
dir: /revert/

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#!/bin/rc
rfork e
. /sys/lib/git/common.rc

usage='
	git/revert [-c query] file...
		-c        revert to commit "query" (default: HEAD)
'

rel=`{pwd}
gitup

commit=/mnt/git/HEAD
while(~ $1 -* && ! ~ $1 --){
	switch($1){
	case -c;
		commit=`{git/query -p $2}
		shift
	case *;
		usage
	}
	shift
}
if(~ $#* 0)
	usage

rel=`{echo $rel | sed 's@^'$gitroot'/?@@'}
if(~ $#rel 0)
	rel=''

for(f in `$nl{cd $commit/tree/ && walk -f ./$rel/$*})
	cp -- $commit/tree/$f $f