fix: improve version normalization in build script (#90)

Author: hakansa

build-android-lib.sh

@@ -1,56 +1,68 @@
 #!/bin/bash
 # Script to build NetBird mobile bindings using gomobile
 # Usage: ./script.sh [version]
-# - If a version is provided, it will be used.
+# - If a version is provided, it will be used (with leading 'v' stripped if present).
 # - If no version is provided:
-#     * Uses the latest Git tag if available.
+#     * Uses the latest Git tag if available (with leading 'v' stripped if present).
 #     * Otherwise, defaults to "dev-<short-hash>".
 # - When running in GitHub Actions, uses "ci-<short-hash>" instead of "dev-<short-hash>".
 
-set -e
+set -euo pipefail
 
 app_path=$(pwd)
 
+# Normalize semantic versions to drop a leading 'v' (e.g., v1.2.3 -> 1.2.3).
+# Only strips if the string starts with 'v' followed by a digit, so it won't affect
+# dev/ci strings or other non-semver values.
+normalize_version() {
+  local ver="$1"
+  if [[ "$ver" =~ ^v[0-9] ]]; then
+    ver="${ver#v}"
+  fi
+  echo "$ver"
+}
 
 get_version() {
-  if [ -n "$1" ]; then
-    echo "$1"
+  if [ -n "${1:-}" ]; then
+    normalize_version "$1"
     return
   fi
 
   # Try to get an exact tag
-  local tag=$(git describe --tags --exact-match 2>/dev/null || true)
+  local tag
+  tag=$(git describe --tags --exact-match 2>/dev/null || true)
 
   if [ -n "$tag" ]; then
-    echo "$tag"
+    normalize_version "$tag"
     return
   fi
 
   # Fallback to "<prefix>-<short-hash>"
-  local short_hash=$(git rev-parse --short HEAD)
+  local short_hash
+  short_hash=$(git rev-parse --short HEAD)
 
-  if [ "$GITHUB_ACTIONS" == "true" ]; then
-    local new_version="ci-$short_hash"
+  local new_version
+  if [ "${GITHUB_ACTIONS:-}" = "true" ]; then
+    new_version="ci-$short_hash"
   else
-    local new_version="dev-$short_hash"
+    new_version="dev-$short_hash"
   fi
 
   echo "$new_version"
 }
 
-
 cd netbird
 
 # Get version using the function
-version=$(get_version "$1")
+version=$(get_version "${1:-}")
 echo "Using version: $version"
 
 gomobile init
 
 CGO_ENABLED=0 gomobile bind \
-  -o $app_path/gomobile/netbird.aar \
+  -o "$app_path/gomobile/netbird.aar" \
   -javapkg=io.netbird.gomobile \
   -ldflags="-checklinkname=0 -X golang.zx2c4.com/wireguard/ipc.socketDirectory=/data/data/io.netbird.client/cache/wireguard -X github.com/netbirdio/netbird/version.version=$version" \
-  $(pwd)/client/android
+  "$(pwd)/client/android"
 
 cd - > /dev/null