Update Template for Debian with fixes and improvements

common/build/build-debian-iso.sh

@@ -26,9 +26,10 @@ die() { echo "ERROR: $*" >&2; exit 1; }
 
 usage() {
     cat <<EOF
-Usage: $(basename "$0") [OPTIONS]
+Usage: $(basename "$0") [OPTIONS] [BD-NUMBER...]
 
-Build all Debian amd64 BD ISOs from jigdo files without using jigdo-lite.
+Build Debian amd64 BD ISOs from jigdo files without using jigdo-lite.
+If no BD numbers are given, all available BDs are built.
 
 Options:
   -o DIR   Output directory  (default: ./debian-isos, or \$OUTPUT_DIR)
@@ -36,14 +37,18 @@ Options:
   -s DIR   Scan DIR for locally cached .deb packages to reuse
   -h       Show this help
 
+Arguments:
+  BD-NUMBER  One or more disc numbers to build (1-6).  Multiple allowed.
+
 Environment:
   FETCH_BATCH_SIZE  Number of package URLs fetched per batch (default: 30)
 
 Examples:
-  $(basename "$0")
-  $(basename "$0") -o /data/isos
-  $(basename "$0") -s /var/cache/apt/archives
-  $(basename "$0") -m http://ftp.de.debian.org/debian
+  $(basename "$0")              # build all BDs
+  $(basename "$0") 1            # build BD-1 only
+  $(basename "$0") 1 2 3        # build BD-1, BD-2, BD-3
+  $(basename "$0") -o /data/isos 1 2
+  $(basename "$0") -s /var/cache/apt/archives 1
 EOF
 }
 
@@ -281,12 +286,15 @@ build_image() {
 }
 
 main() {
+    local -a selected_nums=()
+
     while [[ $# -gt 0 ]]; do
         case "$1" in
             -h|--help)   usage; exit 0 ;;
             -o|--output) OUTPUT_DIR="$2"; shift 2 ;;
             -m|--mirror) MIRROR="$2";     shift 2 ;;
             -s|--scan)   SCAN_DIR="$2";   shift 2 ;;
+            [1-6])       selected_nums+=("$1"); shift ;;
             *) die "Unknown option: $1" ;;
         esac
     done
@@ -295,9 +303,9 @@ main() {
     mkdir -p "$OUTPUT_DIR"
     [[ -n "$SCAN_DIR" && ! -d "$SCAN_DIR" ]] && die "Scan directory not found: $SCAN_DIR"
 
-    local -a images=()
+    local -a all_images=()
     while IFS= read -r name; do
-        images+=("${name%.jigdo}")
+        all_images+=("${name%.jigdo}")
     done < <(
         wget -qO- "${JIGDO_URL}/" \
             | grep -oP 'href="debian-[^"]+BD-[0-9]+\.jigdo"' \
@@ -306,7 +314,19 @@ main() {
             | sort -uV
     )
 
-    (( ${#images[@]} > 0 )) || die "No BD jigdo files found at $JIGDO_URL"
+    (( ${#all_images[@]} > 0 )) || die "No BD jigdo files found at $JIGDO_URL"
+
+    local -a images=()
+    if (( ${#selected_nums[@]} == 0 )); then
+        images=("${all_images[@]}")
+    else
+        for n in "${selected_nums[@]}"; do
+            local match
+            match=$(printf '%s\n' "${all_images[@]}" | grep -i "BD-${n}\b" | head -1)
+            [[ -n "$match" ]] || die "BD-${n} not found in jigdo index"
+            images+=("$match")
+        done
+    fi
 
     echo "Mirror: $(normalize_mirror "$MIRROR")"
     echo "Output: $OUTPUT_DIR"