Add option to use with zigbuild

Signed-off-by: Jacob Kiers <code@kiers.eu>

zig/install-dependencies.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -xo pipefail
+
+apt-get update && apt-get install -y jq curl xz-utils
+
+TMP_DIR=$(mktemp -d)
+
+pushd ${TMP_DIR}
+
+# Install minisign
+curl -Ls https://github.com/jedisct1/minisign/releases/download/0.11/minisign-0.11-linux.tar.gz -o - | tar --strip-components 2 -C /usr/local/bin/ -vxzf - minisign-linux/x86_64/minisign
+
+# Installing zig, checking its validity
+mkdir -p /usr/local/bin
+curl -Ls https://ziglang.org/download/index.json -o zig-versions.json
+
+ZIG_SHASUM=".\"${ZIG_VERSION}\".\"x86_64-linux\".shasum"
+ZIG_TARBALL_URL=".\"${ZIG_VERSION}\".\"x86_64-linux\".tarball"
+
+echo "$(jq -r ${ZIG_SHASUM} zig-versions.json) zig.tar.xz" > zig.tar.xz.shasum
+curl -Ls "$(jq -r ${ZIG_TARBALL_URL} zig-versions.json)" -o zig.tar.xz
+curl -Ls "$(jq -r ${ZIG_TARBALL_URL} zig-versions.json).minisig" -o zig.tar.xz.minisig
+sha256sum -c zig.tar.xz.shasum
+
+if [ $? -ne 0 ]; then
+  echo "Error in SHA256 hash!"
+  exit 1
+else
+  echo "SHA256 hash OK"
+fi
+
+minisign -P 'RWSGOq2NVecA2UPNdBUZykf1CCb147pkmdtYxgb3Ti+JO/wCYvhbAb/U' -Vm zig.tar.xz
+
+if [ $? -ne 0 ]; then
+  echo "Error in signature!"
+  exit 1
+else
+  echo "Signature OK"
+fi
+
+tar -C /usr/local/bin --strip-components 1 -xf zig.tar.xz
+
+# Installing binstall and zigbuild
+curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
+cargo binstall -y cargo-zigbuild
+
+popd
+rm -rf ${TMP_DIR}
+
+apt-get clean
+rm -rf /var/lib/apt/lists/*