Trivial: let dump-repo script dump HHAS as well as bytecode

Summary: What the title says

Reviewed By: markw65

Differential Revision: D6064258

fbshipit-source-id: 273a385fb768c01d0ed6248db1dbd399e185bdac

hphp/tools/dump-repo

@@ -10,6 +10,12 @@ fi
 repo=$1
 pattern=$2
 
+if [[ -n $DUMP_HHAS ]] ; then
+    dump_what=-vEval.DumpHhas=true
+else
+    dump_what=-vEval.DumpBytecode=1
+fi
+
 table=$(sqlite3 $repo ".tables 'FileMd5%'")
 where=
 if [[ -n $pattern ]] ; then
@@ -19,6 +25,6 @@ sqlite3 $repo "select path from $table $where" | \
    grep -v "^/:" | \
    xargs -I% sh -c \
         "echo ==== Dumping % ======; \
-         ${HHVM:-hhvm} -vRepo.Authoritative=true -vRepo.Commit=false -vRepo.{Central,Local}.Path=$repo -vEval.DumpBytecode=1 --lint=% 2>&1 | \
+         ${HHVM:-hhvm} -vRepo.Authoritative=true -vRepo.Commit=false -vRepo.{Central,Local}.Path=$repo $dump_what --lint=% 2>&1 | \
          grep -v '^No syntax errors detected in'; \
          echo"