build/bin/sage-get-system-packages versions: Fix for jupyter_core, br…

…oken in sagemath#36982 + sagemath#37894
mkoeppe · Jun 12, 2024 · c13b3db · c13b3db
1 parent ceed17e
commit c13b3db
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/build/bin/sage-get-system-packages b/build/bin/sage-get-system-packages
@@ -38,10 +38,13 @@ case "$SYSTEM" in
         # For use in sage-spkg-info
         SYSTEM_PACKAGES_FILE_NAMES="package-version.txt requirements.txt src/pyproject.toml version_requirements.txt"
         strip_comments () {
-            echo "$NAME::"
-            echo
-            sed "s/#.*//;/^[[:space:]]*$/d;s/\"/'/g;s/^/    /;" "$@"
-            echo
+            TEXT=$(sed "s/#.*//;/^[[:space:]]*$/d;s/\"/'/g;s/^/    /;" "$@")
+            if [ -n "$(echo $TEXT)" ]; then
+                echo "$NAME::"
+                echo
+                echo "$TEXT"
+                echo
+            fi
         }
         STRIP_COMMENTS=strip_comments
         COLLECT=