CI: Install package from outside source tree

Author: effigies

tools/ci/build_archive.sh

@@ -14,16 +14,16 @@ set -x
 if [ "$INSTALL_TYPE" = "sdist" -o "$INSTALL_TYPE" = "wheel" ]; then
     python -m build
 elif [ "$INSTALL_TYPE" = "archive" ]; then
-    ARCHIVE="package.tar.gz"
+    ARCHIVE="/tmp/package.tar.gz"
     git archive -o $ARCHIVE HEAD
 fi
 
 if [ "$INSTALL_TYPE" = "sdist" ]; then
-    ARCHIVE=$( ls dist/*.tar.gz )
+    ARCHIVE=$( ls $PWD/dist/*.tar.gz )
 elif [ "$INSTALL_TYPE" = "wheel" ]; then
-    ARCHIVE=$( ls dist/*.whl )
+    ARCHIVE=$( ls $PWD/dist/*.whl )
 elif [ "$INSTALL_TYPE" = "pip" ]; then
-    ARCHIVE="."
+    ARCHIVE="$PWD"
 fi
 
 export ARCHIVE

tools/ci/install.sh

@@ -18,10 +18,15 @@ if [ -n "$EXTRA_PIP_FLAGS" ]; then
     EXTRA_PIP_FLAGS=${!EXTRA_PIP_FLAGS}
 fi
 
-pip install $EXTRA_PIP_FLAGS $ARCHIVE
-
-# Basic import check
-python -c 'import nibabel; print(nibabel.__version__)'
+(
+  # Ensure installation does not depend on being in source tree
+  mkdir ../unversioned_install_dir
+  cd ../unversioned_install_dir
+  pip install $EXTRA_PIP_FLAGS $ARCHIVE
+
+  # Basic import check
+  python -c 'import nibabel; print(nibabel.__version__)'
+)
 
 if [ "$CHECK_TYPE" == "skiptests" ]; then
     exit 0