tag=$tag:a
[[ -r $tag ]] || die Unknown tag
mkdir -p issues/$issue/tags
- ln -f -s `relpath $tag issues/$issue/tags` issues/$issue/tags/$tag:t
+ ln -f -s \
+ `cd issues/$issue/tags ; relative $tag:h`/$tag:t \
+ issues/$issue/tags/$tag:t
git add issues/$issue/tags/$tag:t
}