From ae18f7f4c23f127cd89e0966d3899cfaa4672eba Mon Sep 17 00:00:00 2001
From: Sam Heinz <54530346+asylumexp@users.noreply.github.com>
Date: Sat, 27 Jun 2026 22:10:59 +1000
Subject: [PATCH] feat(erpnext): add migration to v16/update install script for
 v16

---
 ct/erpnext.sh              | 56 ++++++++++++++++++++++++++++++++++++--
 install/erpnext-install.sh |  8 ++++--
 2 files changed, 58 insertions(+), 6 deletions(-)

diff --git a/ct/erpnext.sh b/ct/erpnext.sh
index d2a00bd6a1..fabc25942b 100644
--- a/ct/erpnext.sh
+++ b/ct/erpnext.sh
@@ -29,9 +29,59 @@ function update_script() {
     msg_error "No ${APP} Installation Found!"
     exit
   fi
-  msg_info "Updating ERPNext"
-  $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; cd /opt/frappe-bench && bench update --reset'
-  msg_ok "Updated ERPNext"
+
+  FRAPPE_MAJOR="$(grep -oP '__version__\s*=\s*[\x27"]\K[0-9]+' /opt/frappe-bench/apps/frappe/frappe/__init__.py 2>/dev/null || echo 0)"
+  SITE="$(ls /opt/frappe-bench/sites/*/site_config.json 2>/dev/null | head -1 | cut -d/ -f5)"
+  [[ -z "$SITE" ]] && SITE="site1.local"
+
+  if [[ "${FRAPPE_MAJOR:-0}" -lt 16 ]] && { [[ "${PHS_SILENT:-0}" == "1" ]] || whiptail --backtitle "Proxmox VE Helper Scripts" --title "ERPNext v16 Major Upgrade" \
+    --yesno "A major upgrade from Frappe/ERPNext v15 to v16 is available.\n\nUpgrade to v16 now?" 16 78; }; then
+
+    msg_info "Backing up site ${SITE}"
+    $STD sudo -u frappe bash -c "export PATH=\"\$HOME/.local/bin:/usr/local/bin:\$PATH\"; cd /opt/frappe-bench && bench --site ${SITE} backup"
+    msg_ok "Backup created"
+
+    msg_info "Installing Dependencies"
+    $STD apt-get install -y pkg-config
+    $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:/usr/local/bin:$PATH"; uv python install 3.14'
+    msg_ok "Installed Dependencies"
+
+    msg_info "Migrating bench environment"
+    $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:/usr/local/bin:$PATH"; cd /opt/frappe-bench && bench migrate-env "$(uv python find 3.14)"'
+    msg_ok "Migrated environment"
+
+    msg_info "Switching Frappe and ERPNext to v16 (Patience)"
+    $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:/usr/local/bin:$PATH"; cd /opt/frappe-bench && bench switch-to-branch version-16 frappe erpnext --upgrade' || true
+    NEW_MAJOR="$(grep -oP '__version__\s*=\s*[\x27"]\K[0-9]+' /opt/frappe-bench/apps/frappe/frappe/__init__.py 2>/dev/null || echo 0)"
+    if [[ "${NEW_MAJOR:-0}" -lt 16 ]]; then
+      msg_error "Failed to switch Frappe/ERPNext to v16"
+      exit 250
+    fi
+    msg_ok "Switched to v16"
+
+    msg_info "Running database migration (Patience)"
+    for i in 1 2 3; do
+      $STD sudo -u frappe bash -c "export PATH=\"\$HOME/.local/bin:/usr/local/bin:\$PATH\"; cd /opt/frappe-bench && bench --site ${SITE} migrate" && break
+      [[ "$i" -eq 3 ]] && {
+        msg_error "Database migration failed after 3 attempts"
+        exit 253
+      }
+    done
+    msg_ok "Database migrated"
+
+    msg_info "Building assets"
+    $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:/usr/local/bin:$PATH"; cd /opt/frappe-bench && bench build --production'
+    msg_ok "Assets built"
+
+    msg_info "Restarting ERPNext"
+    $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:/usr/local/bin:$PATH"; cd /opt/frappe-bench && bench restart'
+    msg_ok "Upgraded ERPNext to v16"
+  else
+    msg_info "Updating ERPNext"
+    $STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; cd /opt/frappe-bench && bench update --reset'
+    msg_ok "Updated ERPNext"
+  fi
+  msg_ok "Updated successfully!"
   exit
 }
 
diff --git a/install/erpnext-install.sh b/install/erpnext-install.sh
index 5e1b60cb1f..f2c3c4437f 100644
--- a/install/erpnext-install.sh
+++ b/install/erpnext-install.sh
@@ -31,11 +31,12 @@ $STD apt install -y \
   libjpeg-dev \
   libmariadb-dev \
   python3-pip \
+  pkg-config \
   cron
 msg_ok "Installed Dependencies"
 
 NODE_VERSION="24" NODE_MODULE="yarn" setup_nodejs
-UV_PYTHON="3.13" setup_uv
+UV_PYTHON="3.14" setup_uv
 setup_mariadb
 
 msg_info "Configuring MariaDB for ERPNext"
@@ -68,8 +69,9 @@ msg_info "Initializing Frappe Bench"
 ADMIN_PASS=$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | head -c13)
 DB_ROOT_PASS=$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | head -c13)
 mysql -u root -e "ALTER USER 'root'@'localhost' IDENTIFIED BY '${DB_ROOT_PASS}'; FLUSH PRIVILEGES;"
-$STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; cd /opt && bench init --frappe-branch version-15 frappe-bench'
-$STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; cd /opt/frappe-bench && bench get-app erpnext --branch version-15'
+$STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; uv python install 3.14'
+$STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; cd /opt && bench init --frappe-branch version-16 --python "$(uv python find 3.14)" frappe-bench'
+$STD sudo -u frappe bash -c 'export PATH="$HOME/.local/bin:$PATH"; cd /opt/frappe-bench && bench get-app erpnext --branch version-16'
 
 msg_info "Starting Redis Services for Site Setup"
 $STD sudo -u frappe bash -c 'redis-server /opt/frappe-bench/config/redis_queue.conf --daemonize yes'