git: 9front

ref: 371a06bcf74b94cc885ecf8b7b3aad84aa246b5f
dir: /sys/src/cmd/git/test/merge.rc/

#!/bin/rc

. util.rc

rm -fr scratch
mkdir -p scratch
cd scratch
c='foo
bar
baz
'

# setup test repo
@{
	rfork ne
	q git/init a

	cd a
	echo hello > a
	echo goodbye > b
	echo -n $c > c
	chmod +x a
	q git/add a b c
	q git/commit -m v1 .
	cd ..
	pwd
	q git/clone `{pwd}^/a b
}

echo @@ merge different files @@
@{
	rfork ne
	@{
		cd a
		echo x > a
		q git/commit -m diverge1a a
	}
	@{
		cd b
		echo y > b
		q git/commit -m diverge1b b
	}

	@{
		cd b
		qq git/pull
		q git/merge origin/front || status=''
		q git/commit -m merged
	}
}

flag +x
~ `{cat b/a} x || die merge 1.a
~ `{cat b/b} y || die merge 1.b
~ `''{cat b/c} $c || die merge 1.c
test -x b/a || die merge preserve exec
! test -x b/b || die merge preserve nonexec b
! test -x b/c || die merge preserve nonexec c
@{rfork ne ; cd b ; git/fs; git/walk -q} || die merge commit dropped files

echo @@ merge concurent edits @@
@{
	rfork ne
	@{
		cd a
		chmod -x a
		chmod +x b
		echo quux >>c
		q git/commit -m diverge2a a b c
	}
	@{
		cd b
		sed s/foo/FOO/ <c >c.new
		mv c.new c
		q git/commit -m diverge2b c

		qq git/pull
		qq git/merge origin/front
		q git/commit -m merge c
	}
}

c='FOO
bar
baz
quux
'
~ `{cat b/a} x || die	# commit from a
~ `{cat b/b} y || die # commit from b
~ `''{cat b/c} $c || {diff -u b/c <{echo $c}; die merge 1.c}
! test -x b/a || die merge remove exec
test -x b/b || die merge add exec
! test -x b/c || die merge preserve nonexec c

# repro for bug in git/save, around missing
# files when saving the merged commit.
mkdir -p scratch/james
echo @@ james test @@
@{
	cd scratch/james
	q git/init
	mkdir -p lib/ndb
	touch lib/words 
	q git/add lib/words
	q git/commit -m 'add words' lib/words
	q git/branch -n myhead
	echo stuff > lib/ndb/local
	q git/add lib/ndb/local
	q git/commit -m 'Add lib/ndb/local' lib/ndb/local

	q git/branch front
	echo cromulent >> lib/words
	q git/commit -m 'Some change on front' lib/words
	q git/branch myhead
	q git/merge front
	q git/commit -m 'Merge front'
	d=`''{git/diff lib/words lib/ndb/local}  # should have no output
	if(! ~ $d ''){
		echo $d
		exit diff
	}
	exit ''
}