diff --git a/.github/workflows/common-workflow.yml b/.github/workflows/common-workflow.yml
index 8962450b0..3b35c3fdb 100644
--- a/.github/workflows/common-workflow.yml
+++ b/.github/workflows/common-workflow.yml
@@ -12,7 +12,7 @@ on:
       build_command:
         required: true
         type: string
-      ext_install_command:
+      ext_pkg_build_command:
         required: true
         type: string
       test_cases:
@@ -112,7 +112,12 @@ jobs:
         run: make -j4 install
 
       - name: Compress ISSM artifact
-        run: tar --exclude='./externalpackages/petsc/src' -cvf ISSM_artifact-${{ runner.os }}-${{ inputs.build_type }}.tar -C ${{ env.ISSM_DIR }}/ .
+        run: |
+          rm -rf .git
+          find externalpackages -maxdepth 1 -name src -exec rm -rf {} \;
+          find externalpackages -maxdepth 1 -name *tar.gz -exec rm -rf {} \;
+          find externalpackages -maxdepth 1 -name *zip -exec rm -rf {} \;
+          tar --exclude='./externalpackages/petsc/src' -cvf ISSM_artifact-${{ runner.os }}-${{ inputs.build_type }}.tar -C ${{ env.ISSM_DIR }}/ .
 
       - name: Upload ISSM artifact
         uses: actions/upload-artifact@v4
diff --git a/.github/workflows/ubuntu-basic.yml b/.github/workflows/ubuntu-basic.yml
index 35d766f3b..831e3bbaf 100644
--- a/.github/workflows/ubuntu-basic.yml
+++ b/.github/workflows/ubuntu-basic.yml
@@ -57,7 +57,7 @@ jobs:
         --with-triangle-dir="${ISSM_DIR}/externalpackages/triangle/install" \
         --with-semic-dir="${ISSM_DIR}/externalpackages/semic/install" \
         --with-m1qn3-dir="${ISSM_DIR}/externalpackages/m1qn3/install"
-      ext_install_command: |
+      ext_pkg_build_command: |
         cd $ISSM_DIR/externalpackages/triangle && ./install-linux.sh
         cd $ISSM_DIR/externalpackages/m1qn3    && ./install-linux.sh
         cd $ISSM_DIR/externalpackages/petsc    && ./install-3.22-linux.sh
diff --git a/.github/workflows/ubuntu-codipack.yml b/.github/workflows/ubuntu-codipack.yml
index ddf0c5bde..0a1fdae22 100644
--- a/.github/workflows/ubuntu-codipack.yml
+++ b/.github/workflows/ubuntu-codipack.yml
@@ -62,7 +62,7 @@ jobs:
         --with-m1qn3-dir="${ISSM_DIR}/externalpackages/m1qn3/install" \
         --with-medipack-dir="${ISSM_DIR}/externalpackages/medipack/install" \
         --with-codipack-dir="${ISSM_DIR}/externalpackages/codipack/install"
-      ext_install_command: |
+      ext_pkg_build_command: |
         cd $ISSM_DIR/externalpackages/triangle   && ./install-linux.sh
         cd $ISSM_DIR/externalpackages/m1qn3      && ./install-linux.sh
         cd $ISSM_DIR/externalpackages/petsc      && ./install-3.22-linux.sh
diff --git a/.github/workflows/ubuntu-python.yml b/.github/workflows/ubuntu-python.yml
index c48432f50..e68758489 100644
--- a/.github/workflows/ubuntu-python.yml
+++ b/.github/workflows/ubuntu-python.yml
@@ -61,7 +61,7 @@ jobs:
         --with-triangle-dir="${ISSM_DIR}/externalpackages/triangle/install" \
         --with-semic-dir="${ISSM_DIR}/externalpackages/semic/install" \
         --with-m1qn3-dir="${ISSM_DIR}/externalpackages/m1qn3/install"
-      ext_install_command: |
+      ext_pkg_build_command: |
         cd $ISSM_DIR/externalpackages/triangle && ./install-linux.sh
         cd $ISSM_DIR/externalpackages/m1qn3    && ./install-linux.sh
         cd $ISSM_DIR/externalpackages/petsc    && ./install-3.22-linux.sh