shithub: git9

ref: f5805c3552dd00a6018f8440c1a4c8aa6755fd03
dir: /import/

#!/bin/rc

rfork ne

nl='
'
if(! cd `{git/conf -r})
	exit 'not in git repository'

fn die{
	echo $patchname: $1 $2
	exit $2
}

fn apply @{
	flag +e

	git/fs
	email=''
	name=''
	msg=''
	parents='-p'^`{cat /mnt/git/HEAD/parent}
	diffpath=/tmp/gitimport.$pid.diff
	branch=`{awk '$1=="branch"{print $2}' < /mnt/git/ctl}
	if(test -e /mnt/git/branch/$branch/tree)
		refpath=.git/refs/$branch
	if not if(test -e /mnt/git/object/$branch/tree)
		refpath=.git/HEAD
	if not
		exit 'invalid branch '$branch

	awk '
	BEGIN{
		state="begin"
	}
	state=="begin" && /^From[ \t]/ {
		state="headers"
	}
	state=="headers" && /^From:/ {
		sub(/^From:*[ \t]*/, "", $0);
		name=$0;
		email=$0;
		sub(/<.*$/, "", name);
		sub(/.*</, "", email);
		sub(/>/, "", email);
	}
	state=="headers" && /^Date:/{
		sub(/^Date:[ \t]*/, "", $0)
		date=$0
	}
	state=="headers" && /^Subject:/{
		sub(/^Subject: (\[PATCH\])*[ \t]*/, "", $0);
		msg=msg $0 "\n"
	}
	state=="headers" && /^$/ {
		state="body"
	}
	(state=="headers" || state=="body") && /^diff/ {
		state="diff"
		print > ENVIRON["diffpath"]
	}
	state=="body" {
		print > "/env/msg"
	}
	state=="diff" {
		print > ENVIRON["diffpath"]
	}
	END{
		if(state != "diff")
			exit("malformed patch: " state);
		if(name == "" || email == "" || msg == "" || date=="")
			print "missing headers"
		printf "%s", name > "/env/name"
		printf "%s", email > "/env/email"
		printf "%s", msg > "/env/msg"
		printf "%s", date > "/env/date"
	}
	'

	date=`{seconds $date}
	ape/patch -p1 < $diffpath
	hash=`{git/save -n $name -e $email -m $msg -d $date $parents}
	echo $hash > $refpath
}

fn import{
	apply
	st=$status
	if(! ~ $st ''){
		echo stdin: $st
		exit $st
	}
}

if(~ $#* 0){
	import
if not
	for(f in $*)
		import < $f