import-from-pass-to-pago

#! /usr/bin/env bash
# A tool for importing the password repository from pass to pago.
#
# License: MIT.
# See the file `LICENSE`.
set -euo pipefail
shopt -s nullglob

src=${1:-}
dest=${2:-}
if [[ ! -d $src || ! -d $dest ]]; then
    cat <<EOF
usage: $(basename "$0") <pass-dir> <pago-dir>

Requirements:
- git(1)
- A pago directory initialized *without Git* (\`pago init --no-git\`)
- The pago agent running
EOF
    exit 2
fi

git_src=0
[[ -d $src/.git/ ]] && git_src=1
recips=.age-recipients

cd "$dest/store/"
if [[ $git_src -eq 1 ]]; then
    mv "$recips" ..
    git clone "$src" "$dest/store"
    mv ../"$recips" .
else
    printf "no '%s/.git/' - not cloning to '%s'\n" "$src" "$dest"
    git init
fi

cd "$src"
for file in ./*.gpg ./**/*.gpg; do
    no_ext=${file%*.gpg}
    name=${no_ext#./*}
    ${PASS:-pass} show "$name" | ${PAGO:-pago} add "$name" \
        --dir "$dest" \
        --multiline \
        --no-confirm \
        --no-git \
        ;
done

cd "$dest/store/"
if [[ $git_src -eq 1 ]]; then
    rm -f ./*.gpg ./**/*.gpg ./.gpg-id
fi

git add "$recips"
git add ./*.age ./**/*.age

git commit -m 'Migrate to pago'