Fix failing Spack unit tests + use latest EB and Spack

Author: vkarak

ci-scripts/dockerfiles/eb-spack-howto.dockerfile

@@ -5,21 +5,21 @@
 
 FROM ghcr.io/reframe-hpc/lmod:8.4.12
 
-ENV _SPACK_VER=0.16
-ENV _EB_VER=4.4.1
+ENV _SPACK_VER=0.22.2
+ENV _EB_VER=4.9.4
 
 
 # Install ReFrame unit test requirements
 RUN apt-get -y update && \
-    apt-get -y install gcc git make python3 python3-pip
+    apt-get -y install gcc git make python3 python3-pip curl
 
 # ReFrame user
 RUN useradd -ms /bin/bash rfmuser
 
 USER rfmuser
 
 # Install Spack
-RUN git clone --branch releases/v${_SPACK_VER} https://github.com/spack/spack ~/spack && \
+RUN git clone --branch v${_SPACK_VER} https://github.com/spack/spack ~/spack && \
     cd ~/spack
 
 RUN pip3 install easybuild==${_EB_VER}

reframe/frontend/autodetect.py

@@ -47,8 +47,7 @@ def __enter__(self):
         self._workdir = os.path.abspath(
             tempfile.mkdtemp(prefix='rfm.', dir=self._prefix)
         )
-        paths = ['bin/', 'reframe/', 'tools/',
-                 'bootstrap.sh', 'requirements.txt']
+        paths = ['bin/', 'reframe/', 'bootstrap.sh', 'requirements.txt']
         use_pip = False
         try:
             for p in paths: