fix: move vendoring of cargo dependencies to cargo vendor

Author: jmt-lab

twoliter/embedded/Makefile.toml

@@ -354,10 +354,20 @@ dependencies = ["setup"]
 script_runner = "bash"
 script = [
 '''
+declare -a CARGO_MANIFESTS
+# We make sure there is an empty folder at least here
+# to make the docker mount happy later on
+mkdir -p .cargo/vendor
 for ws in sources variants .; do
-  [ -s "${BUILDSYS_ROOT_DIR}/${ws}/Cargo.toml" ] || continue
-  cargo fetch --locked --manifest-path "${BUILDSYS_ROOT_DIR}/${ws}/Cargo.toml"
+  [ -s "${BUILDSYS_ROOT_DIR}/${ws}/Cargo.lock" ] || continue
+  CARGO_MANIFESTS+=(--sync "${BUILDSYS_ROOT_DIR}/${ws}/Cargo.toml")
 done
+cargo vendor --locked --no-delete  --versioned-dirs --respect-source-config  ${CARGO_MANIFESTS[@]} .cargo/vendor > .cargo/config.toml 2> .cargo/vendor.log || {
+   echo "vendoring of cargo dependencies failed"
+   cat .cargo/vendor.log
+   exit 1
+}
+rm .cargo/vendor.log
 
 chmod -R o+r ${CARGO_HOME}
 '''

twoliter/embedded/build.Dockerfile

@@ -109,7 +109,11 @@ RUN --mount=target=/host \
     rm /bypass
 
 USER builder
-RUN --mount=source=.cargo,target=/home/builder/.cargo \
+    # We only mount the config.toml and the vendor directory instead of the whole .cargo directory
+    # because the .git and .registry directories are specific to the version of cargo and can cause
+    # incapatibility between the host cargo and the cargo in the sdk
+RUN --mount=source=.cargo/config.toml,target=/home/builder/rpmbuild/.cargo/config.toml \
+    --mount=source=.cargo/vendor,target=/home/builder/rpmbuild/.cargo/vendor \
     --mount=type=cache,target=/home/builder/.cache,from=cache,source=/cache \
     --mount=source=sources,target=/home/builder/rpmbuild/BUILD/sources \
     --mount=target=/host \