7 die Usage: $0 ISSUE TAG "[TAG ...]"
12 [[ -d issues/$issue ]] || die Unknown issue
17 [[ -r $tag ]] || die Unknown tag
18 mkdir -p issues/$issue/tags
20 `cd issues/$issue/tags ; relative $tag:h`/$tag:t \
21 issues/$issue/tags/$tag:t
22 git add issues/$issue/tags/$tag:t