fix: safely quote ruby mirror values in /etc/rvmrc

Agent-Logs-Url: https://github.com/bbartels/features/sessions/47fca3d3-4eb7-487d-9af5-e4b462552066

Co-authored-by: bbartels <[email protected]>

Author: Copilot

src/ruby/install.sh

@@ -387,11 +387,21 @@ else
     fi
     validate_mirror_url "RUBY_SOURCE_MIRROR" "${RUBY_SOURCE_MIRROR:-}"
     validate_mirror_url "RUBY_BINARIES_MIRROR" "${RUBY_BINARIES_MIRROR:-}"
-    if [ -n "${RUBY_SOURCE_MIRROR:-}" ] && ! grep -Fqx "rvm_rubies_url=${RUBY_SOURCE_MIRROR}" /etc/rvmrc 2>/dev/null; then
-        echo "rvm_rubies_url=${RUBY_SOURCE_MIRROR}" >> /etc/rvmrc
+    if [ -n "${RUBY_SOURCE_MIRROR:-}" ]; then
+        ruby_source_mirror_escaped="$(printf "%s" "${RUBY_SOURCE_MIRROR}" | sed "s/'/'\"'\"'/g")"
+        ruby_source_line_quoted="rvm_rubies_url='${ruby_source_mirror_escaped}'"
+        ruby_source_line_plain="rvm_rubies_url=${RUBY_SOURCE_MIRROR}"
+        if ! grep -Fqx "${ruby_source_line_quoted}" /etc/rvmrc 2>/dev/null && ! grep -Fqx "${ruby_source_line_plain}" /etc/rvmrc 2>/dev/null; then
+            echo "${ruby_source_line_quoted}" >> /etc/rvmrc
+        fi
     fi
-    if [ -n "${RUBY_BINARIES_MIRROR:-}" ] && ! grep -Fqx "rvm_binaries_url=${RUBY_BINARIES_MIRROR}" /etc/rvmrc 2>/dev/null; then
-        echo "rvm_binaries_url=${RUBY_BINARIES_MIRROR}" >> /etc/rvmrc
+    if [ -n "${RUBY_BINARIES_MIRROR:-}" ]; then
+        ruby_binaries_mirror_escaped="$(printf "%s" "${RUBY_BINARIES_MIRROR}" | sed "s/'/'\"'\"'/g")"
+        ruby_binaries_line_quoted="rvm_binaries_url='${ruby_binaries_mirror_escaped}'"
+        ruby_binaries_line_plain="rvm_binaries_url=${RUBY_BINARIES_MIRROR}"
+        if ! grep -Fqx "${ruby_binaries_line_quoted}" /etc/rvmrc 2>/dev/null && ! grep -Fqx "${ruby_binaries_line_plain}" /etc/rvmrc 2>/dev/null; then
+            echo "${ruby_binaries_line_quoted}" >> /etc/rvmrc
+        fi
     fi
     # Install rvm
     run_rvm_installer "${RVM_INSTALL_ARGS}" || install_previous_version