calibre-web: fix empty-library bootstrap, migrate pre-existing library on update

ct/calibre-web.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: mikolaj92
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
@@ -35,8 +37,7 @@ function update_script() {
     systemctl stop calibre-web
     msg_ok "Stopped Service"
 
-    create_backup /opt/calibre-web/app.db \
-      /opt/calibre-web/data
+    create_backup /opt/calibre-web/data
 
     CLEAN_INSTALL=1 fetch_and_deploy_gh_release "Calibre-Web" "janeczku/calibre-web" "prebuild" "latest" "/opt/calibre-web" "calibreweb*.tar.gz"
     setup_uv
@@ -48,11 +49,26 @@ function update_script() {
     $STD uv pip install --python /opt/calibre-web/.venv/bin/python --no-cache-dir .
     msg_ok "Installed Dependencies"
 
-    sed -i 's|^ExecStart=.*|ExecStart=/opt/calibre-web/.venv/bin/cps|' /etc/systemd/system/calibre-web.service
+    sed -i 's|^ExecStart=.*|ExecStart=/opt/calibre-web/.venv/bin/cps -p /opt/calibre-web/data/app.db|' /etc/systemd/system/calibre-web.service
+    if ! grep -q '^Environment=HOME=' /etc/systemd/system/calibre-web.service; then
+      sed -i '/^ExecStart=/i Environment=HOME=/opt/calibre-web/data' /etc/systemd/system/calibre-web.service
+    fi
     $STD systemctl daemon-reload
 
     restore_backup
 
+    mkdir -p /opt/calibre-web-library
+    if [[ -f /opt/calibre-web/data/metadata.db && ! -f /opt/calibre-web-library/metadata.db ]]; then
+      msg_info "Migrating Calibre Library to its own directory"
+      find /opt/calibre-web/data -mindepth 1 -maxdepth 1 ! -name app.db ! -name .calibre-web -exec mv -t /opt/calibre-web-library -- {} +
+      msg_ok "Migrated Calibre Library"
+    fi
+    if [[ ! -f /opt/calibre-web-library/metadata.db ]]; then
+      msg_info "Creating Empty Calibre Library"
+      $STD calibredb list --with-library /opt/calibre-web-library
+      msg_ok "Created Empty Calibre Library"
+    fi
+
     msg_info "Starting Service"
     systemctl start calibre-web
     msg_ok "Started Service"

install/calibre-web-install.sh

@@ -42,8 +42,14 @@ $STD uv pip install --python /opt/calibre-web/.venv/bin/python --no-cache-dir --
 $STD uv pip install --python /opt/calibre-web/.venv/bin/python --no-cache-dir .
 msg_ok "Installed Python Dependencies"
 
+mkdir -p /opt/calibre-web/data /opt/calibre-web-library
+if [[ ! -f /opt/calibre-web-library/metadata.db ]]; then
+  msg_info "Creating Empty Calibre Library"
+  $STD calibredb list --with-library /opt/calibre-web-library
+  msg_ok "Created Empty Calibre Library"
+fi
+
 msg_info "Creating Service"
-mkdir -p /opt/calibre-web/data
 cat <<EOF >/etc/systemd/system/calibre-web.service
 [Unit]
 Description=Calibre-Web Service
@@ -53,8 +59,9 @@ After=network.target
 Type=simple
 User=root
 Environment="QTWEBENGINE_CHROMIUM_FLAGS=--no-sandbox"
+Environment=HOME=/opt/calibre-web/data
 WorkingDirectory=/opt/calibre-web
-ExecStart=/opt/calibre-web/.venv/bin/cps
+ExecStart=/opt/calibre-web/.venv/bin/cps -p /opt/calibre-web/data/app.db
 Restart=on-failure
 RestartSec=5