pgadmin4: remove comments and add exit trap to update.sh

GREEN='\033[0;32m'

YELLOW='\033[1;33m'

NC='\033[0m' # No Color

TMPDIR=/tmp/pgadmin-update-script

################################################################

#         This script will update pgadmin4 in nixpkgs          #

#   `yarn.lock` file, which this script will add automatically #

################################################################

cleanup() {

  if [ -e $TMPDIR/.done ]

  then

    rm -rf "$TMPDIR"

  else

    echo

    read -p "Script exited prematurely. Do you want to delete the temporary directory $TMPDIR ? " -n 1 -r

    echo

    if [[ $REPLY =~ ^[Yy]$ ]]

    then

      rm -rf "$TMPDIR"

    fi

  fi

}

##################################################

# Check for new version and download #

##################################################

trap cleanup EXIT

scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)

nixpkgs=$(realpath "$scriptDir"/../../../..)

printf "${YELLOW}New version: $newest_version ${NC}\n"

# don't use mktemp, so if a network error happens, we can resume from there

mkdir -p /tmp/pgadmin-update-script

pushd /tmp/pgadmin-update-script

wget -nc $url

mkdir -p $TMPDIR

pushd $TMPDIR

wget -c $url

tar -xzf "pgadmin4-$newest_version.tar.gz"

cd "pgadmin4-$newest_version/web"

######################################

# Convert the `yarn.lock` file to v1 #

######################################

printf "${YELLOW}Will now convert the v2 lockfile. This will download the npm packages to get the metadata.\n"

printf "Please note: This will take some time!${NC}\n"

yarn-lock-converter -i yarn.lock -o yarn_v1.lock --cache .cache

printf "${GREEN}Conversion done${NC}\n"

###########################################################################

# Do some post-convert corrections (namely add '"' to multipackage lines) #

###########################################################################

printf "${YELLOW}Will now do some regex substitution post-processing${NC}\n"

sed -i -E "s|(.), |\1\", \"|g" yarn_v1.lock

printf "${GREEN}Substituion done${NC}\n"

#########################################################

# Add the github packages we lost during the conversion #

#########################################################

printf "${YELLOW}Will now add missing github packages back to the v1 yarn.lock file${NC}\n"

# remove header

tail +8 yarn.lock > yarn_mod.lock

cat adendum.lock >> yarn_v1.lock

printf "${GREEN}Done${NC}\n"

###########

# cleanup #

###########

rm yarn.lock adendum.lock

rm yarn.lock

mv yarn_v1.lock yarn.lock

##############################

# Generate correct yarn hash #

##############################

printf "${YELLOW}Will now generate the hash. This will download the packages to the nix store and also take some time${NC}\n"

YARN_HASH=$(prefetch-yarn-deps yarn.lock)

YARN_HASH=$(nix hash to-sri --type sha256 "$YARN_HASH")

printf "${GREEN}Done${NC}\n"

##########################################

# add the v1 `yarn.lock` file to nixpkgs #

##########################################

printf "${YELLOW}Copy files to nixpkgs${NC}\n"

cp yarn.lock "$nixpkgs/pkgs/tools/admin/pgadmin/"

printf "${GREEN}Done${NC}\n"

popd

rm -rf /tmp/pgadmin-update-script

#############################################

# Update the hashes in the default.nix file #

#############################################

sed -i -E -e "s#yarnSha256 = \".*\"#yarnSha256 = \"$YARN_HASH\"#" ${scriptDir}/default.nix

update-source-version pgadmin4 "$newest_version" --print-changes

touch $TMPDIR/.done