From cc3bec8ffe905596039c5e221f9c8c02f70ad8f9 Mon Sep 17 00:00:00 2001
From: Florian Brandes <florian.brandes@posteo.de>
Date: Mon, 15 May 2023 11:15:02 +0200
Subject: [PATCH] pgadmin4: add update script

Signed-off-by: Florian Brandes <florian.brandes@posteo.de>
---
 pkgs/tools/admin/pgadmin/update.sh | 130 +++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100755 pkgs/tools/admin/pgadmin/update.sh

diff --git a/pkgs/tools/admin/pgadmin/update.sh b/pkgs/tools/admin/pgadmin/update.sh
new file mode 100755
index 000000000000..6eed53f92b81
--- /dev/null
+++ b/pkgs/tools/admin/pgadmin/update.sh
@@ -0,0 +1,130 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl wget jq yq common-updater-scripts prefetch-yarn-deps yarn-lock-converter
+
+set -eu -o pipefail
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+################################################################
+#         This script will update pgadmin4 in nixpkgs          #
+# Due to recent changes upstream, we will need to convert the  #
+#             `yarn.lock` file back to version 1.              #
+#   This isn't trivially done and relies on 3rd party tools    #
+#       and a hand-written converter (in this script).         #
+# Also, the converter cannot check for `github` repos in the   #
+#   `yarn.lock` file, which this script will add automatically #
+################################################################
+
+
+
+##################################################
+# Check for new version and download #
+##################################################
+
+scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
+nixpkgs=$(realpath "$scriptDir"/../../../..)
+
+newest_version="$(curl -s https://www.pgadmin.org/versions.json | jq -r .pgadmin4.version)"
+old_version=$(nix-instantiate --eval -E "(import \"$nixpkgs\" { config = {}; overlays = []; }).pgadmin4.version" | tr -d '"')
+url="https://ftp.postgresql.org/pub/pgadmin/pgadmin4/v${newest_version}/source/pgadmin4-${newest_version}.tar.gz"
+
+if [[ $newest_version == $old_version ]]; then
+  printf "${GREEN}Already at latest version $newest_version${NC}\n"
+  exit 0
+fi
+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 $url
+tar -xzf "pgadmin4-$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${NC}\n"
+# remove header
+tail +8 yarn.lock > yarn_mod.lock
+LENGTH=$(yq '. | with_entries(select(.value.resolution | contains("github"))) | keys | length' yarn_mod.lock)
+for i in $(seq 0 $(($LENGTH-1)));
+do
+  ENTRY=$(yq ". | with_entries(select(.value.resolution | contains(\"github\"))) | keys | .[$i]" yarn_mod.lock)
+  URL=$(echo $ENTRY | cut -d "@" -f 2)
+  VERSION=$(yq ".$ENTRY.version" yarn_mod.lock)
+  LENGTH_DEP=$(yq ".$ENTRY.dependencies | keys | length" yarn_mod.lock)
+  echo "$ENTRY:" >> adendum.lock
+  echo "  version $VERSION" >> adendum.lock
+  echo "  resolved \"$URL" >> adendum.lock
+  echo "  dependencies:" >> adendum.lock
+
+  for j in $(seq 0 $(($LENGTH_DEP-1)));
+  do
+    DEPENDENCY_KEY=$(yq ".$ENTRY.dependencies | keys | .[$j]" yarn_mod.lock)
+    DEPENDENCY_VALUE=$(yq ".$ENTRY.dependencies.$DEPENDENCY_KEY" yarn_mod.lock)
+    # remove '"'
+    DEPENDENCY_KEY=${DEPENDENCY_KEY//\"}
+    echo "    \"$DEPENDENCY_KEY\" $DEPENDENCY_VALUE" >> adendum.lock
+  done
+done
+
+echo "" >> yarn_v1.lock
+cat adendum.lock >> yarn_v1.lock
+printf "${GREEN}Done${NC}\n"
+
+###########
+# cleanup #
+###########
+
+rm yarn.lock adendum.lock
+mv yarn_v1.lock yarn.lock
+
+##############################
+# Generate correct yarn hash #
+##############################
+
+printf "${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