Sucessfully repack OTA!

sig/scripts/undo-release-package.sh

@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $# -lt 1 || $# -gt 2 ]]; then
+    printf 'Usage: %s input.zip.sig [output-dir]\n' "$0" >&2
+    exit 1
+fi
+
+input=$1
+outdir=${2:-release-unpacked}
+
+if [[ ! -f "$input" ]]; then
+    printf 'input does not exist: %s\n' "$input" >&2
+    exit 1
+fi
+
+if [[ -e "$outdir" && -n "$(ls -A "$outdir")" ]]; then
+    printf 'output directory is not empty: %s\n' "$outdir" >&2
+    exit 1
+fi
+
+mkdir -p "$outdir" "$outdir/templates" "$outdir/release-signed" "$outdir/release" "$outdir/swu"
+
+cargo build --quiet
+
+sig_bin=target/debug/sig
+base=$(basename "$input")
+zip_name=${base%.sig}
+zip_path="$outdir/$zip_name"
+
+cp -p "$input" "$outdir/templates/release.zip.sig"
+"$sig_bin" unpack "$input" -o "$zip_path"
+unzip -q "$zip_path" -d "$outdir/release-signed"
+
+mapfile -t signed_files < <(python3 - "$zip_path" <<'PY'
+import sys
+import zipfile
+
+with zipfile.ZipFile(sys.argv[1]) as archive:
+    for item in archive.infolist():
+        if not item.is_dir():
+            print(item.filename)
+PY
+)
+
+swu_sig_name=''
+ota_sig_name=''
+for name in "${signed_files[@]}"; do
+    case "$name" in
+        *.swu.sig) swu_sig_name=$name ;;
+        ota-package-list.json.sig) ota_sig_name=$name ;;
+    esac
+done
+
+if [[ -z "$swu_sig_name" || -z "$ota_sig_name" ]]; then
+    printf 'release zip must contain one .swu.sig and ota-package-list.json.sig\n' >&2
+    exit 1
+fi
+
+swu_name=${swu_sig_name%.sig}
+ota_name=${ota_sig_name%.sig}
+
+cp -p "$outdir/release-signed/$swu_sig_name" "$outdir/templates/$swu_sig_name"
+cp -p "$outdir/release-signed/$ota_sig_name" "$outdir/templates/$ota_sig_name"
+
+"$sig_bin" unpack "$outdir/release-signed/$swu_sig_name" -o "$outdir/release/$swu_name"
+"$sig_bin" unpack "$outdir/release-signed/$ota_sig_name" -o "$outdir/release/$ota_name"
+scripts/extract-swu.sh "$outdir/release/$swu_name" "$outdir/swu"
+
+cat > "$outdir/repack.env" <<EOF
+ORIGINAL_SIG=$input
+ZIP_NAME=$zip_name
+SWU_SIG_NAME=$swu_sig_name
+SWU_NAME=$swu_name
+OTA_SIG_NAME=$ota_sig_name
+OTA_NAME=$ota_name
+EOF
+
+printf 'unpacked %s to %s\n' "$input" "$outdir"