Start toward testing armv7-linux-androideabi

Author: EliahKagan

Cross.toml

@@ -12,5 +12,8 @@ passthrough = [
     "GIX_VERSION",
 ]
 
+[target.armv7-linux-androideabi]
+image = "cross-rs-gitoxide:armv7-linux-androideabi"
+
 [target.s390x-unknown-linux-gnu]
 image = "cross-rs-gitoxide:s390x-unknown-linux-gnu"

etc/docker/Dockerfile.test-cross

@@ -0,0 +1,15 @@
+ARG TARGET
+
+FROM ghcr.io/cross-rs/${TARGET}:latest
+
+RUN apt-get update && \
+    apt-get install --no-install-recommends -y apt-transport-https gnupg && \
+    release="$(sed -n 's/^VERSION_CODENAME=//p' /etc/os-release)" && \
+    echo "deb https://ppa.launchpadcontent.net/git-core/ppa/ubuntu $release main" \
+        >/etc/apt/sources.list.d/git-core-ubuntu-ppa.list && \
+    apt-key adv --keyserver keyserver.ubuntu.com \
+        --recv-keys F911AB184317630C59970973E363C90F8F1B6217 && \
+    apt-get update && \
+    apt-get install --no-install-recommends -y git jq && \
+    rm -rf /var/lib/apt/lists/* && \
+    git config --system gitoxide.imaginary.arbitraryVariable arbitraryValue

etc/docker/Dockerfile.test-cross-s390x

@@ -1,15 +1,22 @@
 #!/bin/sh
-set -ex
+
+# Usage:
+#
+#   etc/run-cross-experiment.sh armv7-linux-androideabi
+#   etc/run-cross-experiment.sh s390x-unknown-linux-gnu
+
+set -eux
+target="$1"
 
 # Build the customized `cross` container image.
-docker build -t cross-rs-gitoxide:s390x-unknown-linux-gnu \
-    - <etc/docker/Dockerfile.test-cross-s390x
+docker build --build-arg "TARGET=$target" -t "cross-rs-gitoxide:$target" \
+    - <etc/docker/Dockerfile.test-cross
 
 # Clean files that could cause tests to wrongly pass or fail.
 cargo clean
 gix clean -xd -m '*generated*' -e
 
 # Run the test suite.
-cross test --workspace --no-fail-fast --target s390x-unknown-linux-gnu \
+cross test --workspace --no-fail-fast --target "$target" \
     --no-default-features --features max-pure \
     -- --skip realpath::fuzzed_timeout