CI: Putting config dir in pwd causes it to be included in built conda

packages, which is bad. Back to using $TMPDIR, or /tmp/ if $TMPDIR is not set

rules/fsl-ci-job-template.yml

@@ -33,7 +33,11 @@
     # the same machine (e.g. macOS builds).
     # We write its location to a file, so the
     # after_script can delete it
-    - FSL_CI_CONFIG_DIR=$(pwd)/fsl_ci_config_${CI_JOB_ID}
+    - if [ -z "$TMPDIR" ]; then
+        FSL_CI_CONFIG_DIR=/tmp/fsl_ci_config_${CI_JOB_ID};
+      else
+        FSL_CI_CONFIG_DIR=$TMPDIR/fsl_ci_config_${CI_JOB_ID};
+      fi
     - mkdir ${FSL_CI_CONFIG_DIR}
     - echo  ${FSL_CI_CONFIG_DIR} > ./.fsl-ci-config-dir
 
@@ -93,3 +97,4 @@
   after_script:
     - FSL_CI_CONFIG_DIR=$(cat ./.fsl-ci-config-dir)
     - rm -r ${FSL_CI_CONFIG_DIR}
+    - rm ./.fsl-ci-config-dir