PortValhalla/archiso/scripts/show-diff.fish

#!/bin/env fish
# Shows the differences between Arch's original `archiso` template named `releng` and this `archiso` directory.
begin
    set -l contextRoot (mktemp -d)
    set -l dir (status dirname)
    set -l projectDir "$dir/.."

    begin
        source "$dir/template-path.fish"
        rm -rf "$contextRoot"
        and cp -r "$(templatePath)" "$contextRoot"
        and chmod -R a+w "$contextRoot"
        and git init "$contextRoot"
        and git -C "$contextRoot" add .

        and begin
            git -C "$projectDir" ls-files
            git -C "$projectDir" ls-files --exclude-standard --others
        end | \
            rsync --files-from=/dev/stdin --exclude={.gitignore,README.md,scripts,LICENSE,valhalla.patch} "$dir/.." "$contextRoot"
    end &> /dev/null

    and git -C "$contextRoot" diff
end