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path: root/roles/photostructure/templates/opt/photostructure/photostructure-update.sh.j2
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#!/usr/bin/env bash

set -Eeu -o pipefail

SRCDIR={{ photostructure_install_dir | quote }}
PHOTOSTRUCTURE_USER={{ photostructure_user | quote }}
PHOTOSTRUCTURE_INSTALL_DIR={{ photostructure_install_dir | quote }}
PHOTOSTRUCTURE_HOME={{ photostructure_home | quote }}

as-photostructure() {
  runuser -u "$PHOTOSTRUCTURE_USER" -- "$@"
}

if (( $EUID != 0 )); then
  echo 'must be superuser' 1>&2
  exit 1
fi

cd "$SRCDIR"

as-photostructure git fetch

local_rev=$(git rev-parse HEAD)
upstream_rev=$(git rev-parse '@{u}')

echo "local: $local_rev"
echo "upstream: $upstream_rev"

if [ "$local_rev" != "$upstream_rev" ]; then
  systemctl stop photostructure

  as-photostructure git pull --ff-only

  echo "building photostructure..."
  rm -rf "${PHOTOSTRUCTURE_INSTALL_DIR}/node_modules" \
    "$PHOTOSTRUCTURE_HOME/.electron"                  \
    "$PHOTOSTRUCTURE_HOME/.electron-gyp"              \
    "$PHOTOSTRUCTURE_HOME/.npm/_libvips"              \
    "$PHOTOSTRUCTURE_HOME/.node-gyp"                  \
    "$PHOTOSTRUCTURE_HOME/.cache/yarn/*/*sharp*"

  cd "$PHOTOSTRUCTURE_INSTALL_DIR"
  as-photostructure npx yarn install --yes

  systemctl start photostructure
else
  echo "photostructure is already up to date"
fi