[ -n "$name" ] || die "no branch name specified"
branchrev="$(git rev-parse --verify "$name" 2>/dev/null)" ||
die "invalid branch name: $name"
-baserev="$(git rev-parse --verify "refs/top-bases/$name" 2>/dev/null)" ||
- die "not a TopGit topic branch: $name"
-
## Record new dependency