Fix patch extension shellcheck [skip ci]

Author: shivammathur

scripts/patch-extensions.sh

@@ -1,3 +1,5 @@
+# shellcheck shell=bash
+# shellcheck disable=SC2016
 # Function to add CFLAGS without duplicating them across extension patches.
 add_cflags() {
   local flag
@@ -45,8 +47,10 @@ configure_imagick() {
     exit 1
   fi
   [[ "$PHP_VERSION" = "5.6" ]] && add_cflags -Wno-incompatible-pointer-types -Wno-int-conversion
-  export CPPFLAGS="$(pkg-config --cflags "$PKG_WAND")"
-  export LDFLAGS="$(pkg-config --libs "$PKG_WAND")"
+  CPPFLAGS="$(pkg-config --cflags "$PKG_WAND")"
+  LDFLAGS="$(pkg-config --libs "$PKG_WAND")"
+  export CPPFLAGS
+  export LDFLAGS
 }
 
 # Function to patch imagick source.
@@ -125,7 +129,9 @@ patch_xdebug() {
 
 # Function to move to xhprof extension source.
 patch_xhprof() {
-  [ -d extension ] && cd extension
+  if [ -d extension ]; then
+    cd extension || return 1
+  fi
   return 0
 }
 
@@ -182,7 +188,9 @@ patch_ds() {
 
 # Function to move to maxminddb extension source.
 patch_maxminddb() {
-  [ -d ext ] && cd ext
+  if [ -d ext ]; then
+    cd ext || return 1
+  fi
   [[ "$PHP_VERSION" = "8.6" ]] && patch_xt_offsetof_tree .
   return 0
 }