Fix staging_log script

dev/scripts/staging_log.sh

@@ -1,25 +1,25 @@
 #!/bin/bash
 
-command -v awk > /dev/null || {
-  echo "Error: 'awk' not installed!"
+command -v gawk > /dev/null || {
+  echo "Error: 'gawk' not installed!"
   exit 1
 }
 
 REMOTE_NAME=upstream
 git ls-remote --exit-code "$REMOTE_NAME" &>/dev/null ||
   REMOTE_NAME=origin
 
-STABLE=$(awk -v FS=. -v OFS=. '{$3="x"  ; print $0}' VERSION)
+STABLE=$(gawk -v FS=. -v OFS=. '{$3="x"  ; print $0}' VERSION)
 git fetch -q $REMOTE_NAME stable/$STABLE || exit 1
 
-STAGING="$(git show "$REMOTE_NAME/stable/$STABLE:VERSION" | awk -v FS=. -v OFS=. '{$3=$3+1 ; print $0}')"
+STAGING="$(git show "$REMOTE_NAME/stable/$STABLE:VERSION" | gawk -v FS=. -v OFS=. '{$3=$3+1 ; print $0}')"
 
 git fetch -q $REMOTE_NAME staging/$STAGING || exit 1
 
 git log --graph --oneline -U0 --submodule $REMOTE_NAME/stable/$STABLE..$REMOTE_NAME/staging/$STAGING | \
-  awk -v version="$STAGING" '
+  gawk -v version="$STAGING" '
     /^*.*Staging update [0-9]{8}/ { printf("\n# %s-staging-%s-%s\n", version, $NF, substr($2, 0, 7)) }
     /^*/ { printf("  %s\n",$0) }
-    /\| Submodule/ {printf("    %s %s\n", $3, $4)}
-    /\|   >/ { $1=""; $2=""; printf("      %s\n", $0 )}
+    /^\| Submodule/ {printf("    %s %s\n", $3, $4)}
+    /^\|   >/ { $1=""; $2=""; printf("      %s\n", $0 )}
  '