feat: Fetch specs with correct compiler constraint

Change-Id: I2b72fd1abc480deae4ac38ea4bd2be4055f442ad

lib/yashchiki/fetch.sh

@@ -91,13 +91,9 @@ for package in "${packages_to_fetch[@]}"; do
     eval "${oldstate}"
     tmp_err="$(mktemp)"
     tmpfiles_concretize_err+=("${tmp_err}")
-    # We need to strip the compiler spec starting with '%' from the spec string
-    # because the compiler is not yet known.
-    # Note that this will also delete target information right now!
-    package_wo_compiler="${package%%%*}"
     ( set -x;
-        ( specfile=$(get_specfile_name "${package_wo_compiler}");
-        (${MY_SPACK_CMD} spec --fresh -y "${package_wo_compiler}" > "${specfile}")
+        ( specfile=$(get_specfile_name "${package}");
+        (${MY_SPACK_CMD} spec --fresh -y "${package}" > "${specfile}")
         ) 2>"${tmp_err}" \
         || ( echo "CONCRETIZING FAILED" >> "${tmpfiles_concretize_err[0]}" );
     ) &
@@ -148,8 +144,7 @@ find "${MY_SPACK_FOLDER}/var/spack/repos" -type f -print0 \
 # now fetch everything that is needed in order
 fetch_specfiles=()
 for package in "${packages_to_fetch[@]}"; do
-    package_wo_compiler="${package%%%*}"
-    specfile="$(get_specfile_name "${package_wo_compiler}")"
+    specfile="$(get_specfile_name "${package}")"
     if (( $(wc -l <"${specfile}") == 0 )); then
         echo "${package} failed to concretize!" >&2
         exit 1