shithub: git9

ref: c44adda7a7ce4f2ee4babf384dc9d321d21e34ad
dir: /export/

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

usage='
	git/export [query]
'

gitup

q=$*
if(~ $#q 0)
	q=HEAD
commits=`{git/query $q || die $status}

scratch=/tmp/gitexport.$pid
mkdir -p $scratch
mkdir $scratch/a $scratch/b
n=1
m=$#commits
for(c in $commits){
	cp=`{git/query -p $c}
	pp=`{git/query -p $c'^'}

	@{
		rfork n
		cd $scratch
		bind $pp/tree a
		bind $cp/tree b
		
		echo From $c
		echo From: `{cat $cp/author}
		echo Date: `{date -m `{mtime $cp/author | awk '{print $1}'}}
		<$cp/msg awk '
		BEGIN {RS = ""; FS = "\n"}
		NR == 1 {
			n = ENVIRON["n"]
			m = ENVIRON["m"]
			if(m > 1)
				patch = sprintf("[PATCH %d/%d]", n, m)
			else
				patch = "[PATCH]"
			printf "Subject: %s", patch
			for(i = 1; i <= NF; i++)
				printf " %s", $i
			printf "\n\n"
			next
		}
		{print; printf "\n"}'
		ape/diff -urN a b
	}
	if(! ~ $n $m)
		echo
	n=`{echo $n + 1 | bc}
}
rm $scratch/a $scratch/b
rm $scratch