gistpkg-alias.fish: assigns alternate names to gistpkgs

gistpkg-alias.fish

function gistpkg-alias --argument canonical alias
  empty "$canonical"
  and return 100

  empty "$alias"
  and return 100

  set --local canonical (sanitize-git-remote-url $canonical)
  set --local alias (gistpkg-config root)/$alias

  switch (exists $alias)
    case true
      echo "conflict: $alias exists"
      return 101
    case false
      ln -s $canonical $alias
  end
end

gistpkg.zpl

name = gistpkg-alias

author = Chris Olstrom

license = MIT

provides = fish/functions/gistpkg-alias

requires
    command/ln
    fish/builtin/and
    fish/builtin/case
    fish/builtin/echo
    fish/builtin/end
    fish/builtin/false
    fish/builtin/function
    fish/builtin/return
    fish/builtin/set
    fish/builtin/switch
    fish/builtin/true
    fish/functions/alias
    fish/functions/empty
    fish/functions/exists
    fish/functions/sanitize-git-remote-url