allow executables to be available/usable in conda images

.gitlab-ci.Dockerfile.conda

@@ -78,6 +78,11 @@ RUN . /opt/conda/etc/profile.d/conda.sh && \
     make install -j$NUM_CORES
 RUN rm -rf gstlal-inspiral
 
+# Fix shebangs on executables
+RUN . /opt/conda/etc/profile.d/conda.sh && \
+    conda activate gstlal-$CONDA_ENV && \
+    sed -i.tmp "s@/usr/bin/env python3@$CONDA_PREFIX/bin/python@g" ${CONDA_PREFIX}/bin/gstlal_*
+
 # Run stage
 FROM $CI_REGISTRY_IMAGE/dependencies/conda-$CONDA_ENV:$CI_COMMIT_REF_NAME AS run
 
@@ -93,6 +98,7 @@ COPY .gitlab-ci.conda_entrypoint.sh /bin/entrypoint.sh
 RUN chmod +x /bin/entrypoint.sh
 
 # Export environment variables
+ENV PATH="/opt/conda/envs/gstlal-$CONDA_ENV/bin:${PATH}"
 ENV PKG_CONFIG_PATH /opt/conda/envs/gstlal-$CONDA_ENV/lib/pkgconfig
 ENV GST_PLUGIN_PATH /opt/conda/envs/gstlal-$CONDA_ENV/lib/gstreamer-1.0
 ENV GSTLAL_FIR_WHITEN 0