From c59ee916a66299f23d81568c77d7af3be17d4b6c Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Thu, 14 Jun 2018 09:37:31 +0200
Subject: scripts/update-abilist.sh: Accept empty list of files to patch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit b289cd9db8286fa6c670104dd5dfcfc68d5d00d6 (“Ignore absolute
symbols in ABI tests.”) broke “make update-all-abi” because an empty
list of files is now passed to scripts/update-abilist.sh.
---
 ChangeLog                 | 4 ++++
 scripts/update-abilist.sh | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index d094d20cfd..ad08fe932a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2018-06-14  Florian Weimer  <fweimer@redhat.com>
+
+	* scripts/update-abilist.sh: Accept empty list of files to patch.
+
 2018-06-13  Samuel Thibault  <samuel.thibault@ens-lyon.org>
 
 	* sysdeps/mach/hurd/i386/Makefile (test-xfail-check-abi-libhurduser,
diff --git a/scripts/update-abilist.sh b/scripts/update-abilist.sh
index 68d469b3e5..28953bfe28 100644
--- a/scripts/update-abilist.sh
+++ b/scripts/update-abilist.sh
@@ -20,9 +20,12 @@
 set -e
 export LC_ALL=C
 
-if [ $# -lt 3 ]; then
+if [ $# -lt 2 ]; then
   echo "usage: $0 OLD-FILE NEW-FILE FILES-TO-BE-PATCHED..." 1>&2
   exit 2
+elif [ $# -eq 2 ]; then
+  echo "info: no files to patch" 1>&2
+  exit 0
 fi
 
 old_file="$1"
-- 
cgit v1.2.3