fireshare: source fireshare.env during update instead of hardcoding defaults

ct/fireshare.sh

@@ -57,11 +57,9 @@ function update_script() {
     $STD .venv/bin/python -m pip install --upgrade --break-system-packages pip
     $STD .venv/bin/python -m pip install --no-cache-dir --break-system-packages --ignore-installed app/server
     cp .venv/bin/fireshare /usr/local/bin/fireshare
-    export FLASK_APP="/opt/fireshare/app/server/fireshare:create_app()"
-    export DATA_DIRECTORY=/opt/fireshare-data
-    export IMAGE_DIRECTORY=/opt/fireshare-images
-    export VIDEO_DIRECTORY=/opt/fireshare-videos
-    export PROCESSED_DIRECTORY=/opt/fireshare-processed
+    set -a
+    source /opt/fireshare/fireshare.env
+    set +a
     $STD uv run flask db upgrade
     cd /opt/fireshare/app/client
     $STD npm install

tools/pve/post-pbs-install.sh

@@ -62,14 +62,7 @@ repo_state_list() {
 
 component_exists_in_sources() {
   local component="$1"
-  local line comp
-  while IFS= read -r line; do
-    line="${line#*Components:}"
-    for comp in $line; do
-      [[ "$comp" == "$component" ]] && return 0
-    done
-  done < <(grep -h -E "^[^#]*Components:" /etc/apt/sources.list.d/*.sources 2>/dev/null)
-  return 1
+  grep -h -E "^[^#]*Components:[^#]*\b${component}\b" /etc/apt/sources.list.d/*.sources 2>/dev/null | grep -q .
 }
 
 require_whiptail() {

tools/pve/post-pve-install.sh

@@ -63,14 +63,7 @@ get_pve_major_minor() {
 
 component_exists_in_sources() {
   local component="$1"
-  local line comp
-  while IFS= read -r line; do
-    line="${line#*Components:}"
-    for comp in $line; do
-      [[ "$comp" == "$component" ]] && return 0
-    done
-  done < <(grep -h -E "^[^#]*Components:" /etc/apt/sources.list.d/*.sources 2>/dev/null)
-  return 1
+  grep -h -E "^[^#]*Components:[^#]*\b${component}\b" /etc/apt/sources.list.d/*.sources 2>/dev/null | grep -q .
 }
 
 main() {