Enable nightly standalone packages to install mslice nightly versions

installers/conda/linux/create_tarball.sh

@@ -132,9 +132,17 @@ mkdir -p "$bundle_contents"
 # Create conda environment internally. --copy ensures no symlinks are used
 bundle_conda_prefix="$bundle_contents"
 
+# The mantid channel is required as the source for installing mslice
+mantid_channel=mantid
+# If it's a Nightly or Unstable package, use the mantid/label/nightly label so it picks up
+# the nightly version of mslice
+if [[ "$suffix" == "Unstable" ]] || [[ "$suffix" == "Nightly" ]]; then
+  $mantid_channel=mantid/label/nightly
+fi
+
 echo "Creating Conda environment in '$bundle_conda_prefix'"
 "$CONDA_EXE" create --quiet --prefix "$bundle_conda_prefix" --copy \
-  --channel "$conda_channel" --channel conda-forge --channel mantid --yes \
+  --channel "$conda_channel" --channel conda-forge --channel $mantid_channel --yes \
   mantidworkbench \
   jq  # used for processing the version string
 echo

installers/conda/osx/create_bundle.sh

@@ -201,9 +201,17 @@ mkdir -p "$bundle_contents"/{Resources,MacOS}
 # --platform osx-64 is required to allow ARM-based systems to install the osx-64 mantid packages.
 bundle_conda_prefix="$bundle_contents"/Resources
 
+# The mantid channel is required as the source for installing mslice
+mantid_channel=mantid
+# If it's a Nightly or Unstable package, use the mantid/label/nightly label so it picks up
+# the nightly version of mslice
+if [[ "$suffix" == "Unstable" ]] || [[ "$suffix" == "Nightly" ]]; then
+  $mantid_channel=mantid/label/nightly
+fi
+
 echo "Creating Conda environment in '$bundle_conda_prefix'"
 "$CONDA_EXE" create --quiet --prefix "$bundle_conda_prefix" --copy --platform osx-64 \
-  --channel "$conda_channel" --channel conda-forge --channel mantid --yes \
+  --channel "$conda_channel" --channel conda-forge --channel $mantid_channel --yes \
   mantidworkbench \
   jq  # used for processing the version string
 echo

installers/conda/win/create_package.sh

@@ -72,9 +72,17 @@ rm -rf $CONDA_ENV_PATH
 
 mkdir $COPY_DIR
 
+# The mantid channel is required as the source for installing mslice
+MANTID_CHANNEL=mantid
+# If it's a Nightly or Unstable package, use the mantid/label/nightly label so it picks up
+# the nightly version of mslice
+if [[ "$SUFFIX" == "Unstable" ]] || [[ "$SUFFIX" == "Nightly" ]]; then
+  $MANTID_CHANNEL=mantid/label/nightly
+fi
+
 echo "Creating conda env from mantidworkbench and jq"
 "$CONDA_EXE" create --prefix $CONDA_ENV_PATH \
-  --copy --channel $CONDA_CHANNEL --channel conda-forge --channel mantid -y \
+  --copy --channel $CONDA_CHANNEL --channel conda-forge --channel $MANTID_CHANNEL -y \
   mantidworkbench \
   m2w64-jq
 echo "Conda env created"