Add script to get OSTree-1.0.gir from libostree source build

rust-bindings/rust/Dockerfile

@@ -0,0 +1,20 @@
+ARG FEDORA_VER
+FROM fedora:${FEDORA_VER}
+
+RUN dnf install -y curl gcc make tar xz 'dnf-command(builddep)'
+RUN dnf builddep -y ostree
+
+ARG OSTREE_VER
+ENV OSTREE_SRC=https://github.com/ostreedev/ostree/releases/download/v${OSTREE_VER}/libostree-${OSTREE_VER}.tar.xz
+RUN mkdir /src && \
+    cd /src && \
+    curl -L -o /ostree.tar.xz ${OSTREE_SRC} && \
+    tar -xa --strip-components=1 -f /ostree.tar.xz && \
+    rm -r /ostree.tar.xz
+RUN mkdir /build && \
+    cd /build && \
+    /src/configure \
+        --with-openssl \
+        --with-curl \
+        && \
+    make -j4

rust-bindings/rust/Makefile

@@ -47,10 +47,13 @@ gir-files:
 	curl -o $@ -L https://github.com/gtk-rs/gir-files/raw/master/${@F}
 
 gir-files/OSTree-1.0.gir:
+	podman build \
+		--build-arg FEDORA_VER=32 \
+		--build-arg OSTREE_VER=2020.4 \
+		-t ostree-build \
+		.
 	podman run \
 		--rm \
 		-v $(PWD)/gir-files:/gir-files \
-		fedora:rawhide \
-		bash -eu -c "\
-			dnf install -y ostree-devel && \
-			cp /usr/share/gir-1.0/OSTree-1.0.gir /gir-files/"
+		ostree-build \
+		bash -eu -c "cp /build/OSTree-1.0.gir /gir-files/"