git-archive

#!/bin/bash

CONFIG_NAME=gitarchive source "$(dirname "$0")/lib/common.sh"

printf >&2 'Initializing...'
if ! default_branch_name="$(2>/dev/null gh repo view --json defaultBranchRef | jq -r '.defaultBranchRef.name')" ; then
  err "GitHub repo not set up; can't determine default branch name"
fi
printf >&2 '\r               \r'

current_branch_name="$(git rev-parse --abbrev-ref HEAD)"

if [[ "$current_branch_name" == "$default_branch_name" ]]; then
  err "Can't archive default branch"
fi

archive_repo=archive
prefs_json_file="$(config_file prefs.json)"
if [[ -e "$prefs_json_file" ]]; then
  curr_dir="$(readlink -f "$PWD")"
  archive_repo="$(<"$prefs_json_file" jq -r '.repos_by_path[$dir] // $def' --arg def "$archive_repo" --arg dir "$curr_dir")"
fi

if ! &>/dev/null git remote ; then
  err "You must run this within a git repo."
elif ! &>/dev/null git remote show "$archive_repo" ; then
  err "Can't archive to \"$archive_repo\" because there is no such remote in this repo."
fi

archive_url="$(git remote get-url "$archive_repo")"
archive_filepath=''
current_description=''
if grep -q '^/' <<< "$archive_url" ; then
  archive_filepath="$archive_url"
  current_description="$(branch-description get)"
fi

printf >&2 'Pushing...'
git push "$archive_repo" &>/dev/null
if [[ -n "$current_description" ]]; then
  (
    cd "$archive_filepath"
    branch-description set -b "$current_branch_name" "$current_description"
  )
fi

git co "$default_branch_name" &>/dev/null
git branch -D "$current_branch_name" &>/dev/null

msg "Archived $current_branch_name to $archive_url and switched to $default_branch_name"