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path: root/t/t6001-rev-list-graft.sh
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#!/bin/sh
 
test_description='Revision traversal vs grafts and path limiter'
 
. ./test-lib.sh
 
test_expect_success setup '
	mkdir subdir &&
	echo >fileA fileA &&
	echo >subdir/fileB fileB &&
	git add fileA subdir/fileB &&
	git commit -a -m "Initial in one history." &&
	A0=`git rev-parse --verify HEAD` &&
 
	echo >fileA fileA modified &&
	git commit -a -m "Second in one history." &&
	A1=`git rev-parse --verify HEAD` &&
 
	echo >subdir/fileB fileB modified &&
	git commit -a -m "Third in one history." &&
	A2=`git rev-parse --verify HEAD` &&
 
	rm -f .git/refs/heads/master .git/index &&
 
	echo >fileA fileA again &&
	echo >subdir/fileB fileB again &&
	git add fileA subdir/fileB &&
	git commit -a -m "Initial in alternate history." &&
	B0=`git rev-parse --verify HEAD` &&
 
	echo >fileA fileA modified in alternate history &&
	git commit -a -m "Second in alternate history." &&
	B1=`git rev-parse --verify HEAD` &&
 
	echo >subdir/fileB fileB modified in alternate history &&
	git commit -a -m "Third in alternate history." &&
	B2=`git rev-parse --verify HEAD` &&
	: done
'
 
check () {
	type=$1
	shift
 
	arg=
	which=arg
	rm -f test.expect
	for a
	do
		if test "z$a" = z--
		then
			which=expect
			child=
			continue
		fi
		if test "$which" = arg
		then
			arg="$arg$a "
			continue
		fi
		if test "$type" = basic
		then
			echo "$a"
		else
			if test "z$child" != z
			then
				echo "$child $a"
			fi
			child="$a"
		fi
	done >test.expect
	if test "$type" != basic && test "z$child" != z
	then
		echo >>test.expect $child
	fi
	if test $type = basic
	then
		git rev-list $arg >test.actual
	elif test $type = parents
	then
		git rev-list --parents $arg >test.actual
	elif test $type = parents-raw
	then
		git rev-list --parents --pretty=raw $arg |
		sed -n -e 's/^commit //p' >test.actual
	fi
	diff test.expect test.actual
}
 
for type in basic parents parents-raw
do
	test_expect_success 'without grafts' "
		rm -f .git/info/grafts
		check $type $B2 -- $B2 $B1 $B0
	"
 
	test_expect_success 'with grafts' "
		echo '$B0 $A2' >.git/info/grafts
		check $type $B2 -- $B2 $B1 $B0 $A2 $A1 $A0
	"
 
	test_expect_success 'without grafts, with pathlimit' "
		rm -f .git/info/grafts
		check $type $B2 subdir -- $B2 $B0
	"
 
	test_expect_success 'with grafts, with pathlimit' "
		echo '$B0 $A2' >.git/info/grafts
		check $type $B2 subdir -- $B2 $B0 $A2 $A0
	"
 
done
test_done