fix: cross-compile bundled Android git libs with Rust

.gitea/workflows/android-build.yml

@@ -107,6 +107,7 @@ jobs:
           export PATH="$HOME/.cargo/bin:$PATH"
           cargo --version
           rustc --version
+          rustup target add aarch64-linux-android armv7-linux-androideabi i686-linux-android x86_64-linux-android
 
       - name: Compile bundled native Git binaries
         shell: bash

AndroidProjectTooling.sh

@@ -502,10 +502,11 @@ build_host_git() {
 build_android_git_for_abi() {
   local abi="$1"
   local cc="$2"
+  local rust_target="$3"
   local output_dir="$ANDROID_JNI_DIR/$abi"
   local output_binary="$output_dir/libgit.so"
   local stamp="$output_dir/.source-fingerprint"
-  local fingerprint="$3:android:$abi:$cc:$ANDROID_API:githug-embedded-main"
+  local fingerprint="$4:android:$abi:$cc:$rust_target:$ANDROID_API:githug-embedded-main"
 
   require_path "$ANDROID_TOOLBIN/$cc"
 
@@ -530,6 +531,7 @@ build_android_git_for_abi() {
     AR=llvm-ar \
     RANLIB=llvm-ranlib \
     STRIP=llvm-strip \
+    RUST_TARGETS="$rust_target" \
     "${make_args[@]}" \
     git
 
@@ -554,10 +556,10 @@ build_android_git() {
   local fingerprint
   fingerprint="$(git_source_fingerprint)"
 
-  build_android_git_for_abi "arm64-v8a" "aarch64-linux-android${ANDROID_API}-clang" "$fingerprint"
-  build_android_git_for_abi "armeabi-v7a" "armv7a-linux-androideabi${ANDROID_API}-clang" "$fingerprint"
-  build_android_git_for_abi "x86" "i686-linux-android${ANDROID_API}-clang" "$fingerprint"
-  build_android_git_for_abi "x86_64" "x86_64-linux-android${ANDROID_API}-clang" "$fingerprint"
+  build_android_git_for_abi "arm64-v8a" "aarch64-linux-android${ANDROID_API}-clang" "aarch64-linux-android" "$fingerprint"
+  build_android_git_for_abi "armeabi-v7a" "armv7a-linux-androideabi${ANDROID_API}-clang" "armv7-linux-androideabi" "$fingerprint"
+  build_android_git_for_abi "x86" "i686-linux-android${ANDROID_API}-clang" "i686-linux-android" "$fingerprint"
+  build_android_git_for_abi "x86_64" "x86_64-linux-android${ANDROID_API}-clang" "x86_64-linux-android" "$fingerprint"
 }
 
 build_all_git_targets() {