fix bump scripts (#3013)

Author: zetaab

hack/bump-charts.sh

@@ -21,4 +21,15 @@ TO_MINOR="${3:?TO_MINOR (3rd arg) not set or empty}"
 # example usage: hack/bump-release.sh 28 28 1
 # should replace 1.28.x with 1.28.1 / 2.28.x with 2.28.1
 
-find charts -type f -exec sed -i -re 's/((ersion)?: ?v?)?([1-2]\.)'${FROM_MAJOR}'\.([0-9][0-9a-zA-Z.-]*)/\1\3'${TO_MAJOR}'.'${TO_MINOR}'/g' "{}" \;
+# Use portable sed syntax that works on both Linux (GNU sed) and macOS (BSD sed)
+if sed --version >/dev/null 2>&1; then
+  # GNU sed (Linux)
+  SED_INPLACE=(-i)
+  SED_EXTENDED=(-r)
+else
+  # BSD sed (macOS)
+  SED_INPLACE=(-i '')
+  SED_EXTENDED=(-E)
+fi
+
+find charts -type f -exec sed "${SED_INPLACE[@]}" "${SED_EXTENDED[@]}" -e 's/((ersion)?: ?v?)?([1-2]\.)'${FROM_MAJOR}'\.([0-9][0-9a-zA-Z.-]*)/\1\3'${TO_MAJOR}'.'${TO_MINOR}'/g' "{}" \;

hack/bump-release.sh

@@ -21,4 +21,15 @@ TO_MINOR="${3:?TO_MINOR (3rd arg) not set or empty}"
 # example usage: hack/bump-release.sh 28 28 1
 # should replace 1.28.x with 1.28.1 / 2.28.x with 2.28.1
 
-find docs manifests tests examples -type f -exec sed -i -re 's/((ersion)?: ?v?)?([1-2]\.)'${FROM_MAJOR}'\.([0-9][0-9a-zA-Z.-]*)/\1\3'${TO_MAJOR}'.'${TO_MINOR}'/g' "{}" \;
+# Use portable sed syntax that works on both Linux (GNU sed) and macOS (BSD sed)
+if sed --version >/dev/null 2>&1; then
+  # GNU sed (Linux)
+  SED_INPLACE=(-i)
+  SED_EXTENDED=(-r)
+else
+  # BSD sed (macOS)
+  SED_INPLACE=(-i '')
+  SED_EXTENDED=(-E)
+fi
+
+find docs manifests tests examples -type f -exec sed "${SED_INPLACE[@]}" "${SED_EXTENDED[@]}" -e 's/((ersion)?: ?v?)?([1-2]\.)'${FROM_MAJOR}'\.([0-9][0-9a-zA-Z.-]*)/\1\3'${TO_MAJOR}'.'${TO_MINOR}'/g' "{}" \;