add missing install script

Author: xchwarze

frieren-back/modules/packages/bin/dependency-installer.sh

@@ -0,0 +1,55 @@
+#!/bin/sh
+
+# Installs module dependencies, streaming the package-manager output straight to
+# stdout (no buffering) so BackgroundTaskHelper captures it line by line and the
+# UI can show progress in real time. Unlike package-manager-call.sh this does NOT
+# wrap the result in JSON — it favours a live log over a structured result.
+#
+# Usage: dependency-installer.sh [--dest <target>] <dep1> [dep2 ...]
+
+DEST=""
+
+if [ -f /usr/bin/apk ]; then
+    PM="apk"
+    INSTALL="add"
+else
+    PM="opkg"
+    INSTALL="install"
+fi
+
+while [ "$#" -gt 0 ]; do
+    case "$1" in
+        --dest)
+            # apk has no per-destination install; only opkg honours --dest
+            [ "$PM" = "opkg" ] && DEST="--dest $2"
+            shift 2
+        ;;
+        *)
+            break
+        ;;
+    esac
+done
+
+DEPS="$@"
+
+if [ -z "$DEPS" ]; then
+    echo "No dependencies specified."
+    exit 1
+fi
+
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+}
+
+(
+    flock -x 200
+
+    log "Updating package lists..."
+    $PM update 2>&1
+
+    log "Installing: $DEPS"
+    $PM $DEST $INSTALL $DEPS 2>&1
+    code=$?
+
+    log "Finished with exit code $code."
+) 200>/tmp/ipkg.lock