ref: a664cf0bb19c82286560bb5114192d524b63d9f4
dir: /sys/src/cmd/git/test/diff.rc/
#!/bin/rc
. ./util.rc
nl='
'
rm -fr scratch
mkdir -p scratch/subdir/subdir2
mkdir -p scratch/subdir3
echo @@git diff -s relative@@
@{
cd scratch
q git/init
echo hello > file.txt
echo hello1 > subdir/file1.txt
echo hello2 > subdir/subdir2/file2.txt
echo hello3 > subdir3/file3.txt
q git/add file.txt subdir/file1.txt subdir/subdir2/file2.txt subdir3/file3.txt
q git/commit -m initial .
echo >file.txt
echo >subdir/file1.txt
echo >subdir/subdir2/file2.txt
echo >subdir3/file3.txt
out=`$nl{git/diff -s . | awk '{ print $2 }'}
~ $out(1) file.txt && ~ $out(2) subdir/file1.txt && ~ $out(3) subdir/subdir2/file2.txt \
~ $out(4) subdir3/file3.txt || die 'base level fail'
cd subdir
out=`$nl{git/diff -s .. | awk '{ print $2 }'}
~ $out(1) ../file.txt && ~ $out(2) file1.txt && ~ $out(3) subdir2/file2.txt \
~ $out(4) ../subdir3/file3.txt || die 'subdir1 level fail'
cd subdir2
out=`$nl{git/diff -s ../.. | awk '{ print $2 }'}
~ $out(1) ../../file.txt && ~ $out(2) ../file1.txt && ~ $out(3) file2.txt \
~ $out(4) ../../subdir3/file3.txt || die 'subdir2 level fail'
cd ../../subdir3
out=`$nl{git/diff -s .. | awk '{ print $2 }'}
~ $out(1) ../file.txt && ~ $out(2) ../subdir/file1.txt && ~ $out(3) ../subdir/subdir2/file2.txt \
~ $out(4) file3.txt || die 'subdir3 level fail'
! git/diff -s ../.. >[2]/dev/null
}