shithub: git9

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Use mntgen(1) for branch scratch space

--- a/export

+++ b/export

@@ -12,12 +12,9 @@

 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

+mntgen /mnt/scratch

 for(c in $commits){

 	cp=`{git/query -p $c}

 	pp=`{git/query -p $c'^'}

@@ -24,7 +21,7 @@

 	@{

 		rfork n

-		cd $scratch

+		cd /mnt/scratch

 		bind $pp/tree a

 		bind $cp/tree b

@@ -53,5 +50,3 @@

 		echo

 	n=`{echo $n + 1 | bc}

 }

-rm $scratch/a $scratch/b

-rm $scratch