From 78b10da3fc88c5ddf46b68d3dd3ac9b62fdf2cb6 Mon Sep 17 00:00:00 2001
From: CentOS Sources <bugs@centos.org>
Date: Thu, 30 Nov 2017 18:48:18 +0000
Subject: [PATCH] debrand docker-1.12.6-68.gitec8512b.el7

---
 SOURCES/v1.10-migrator-helper |   65 ++++++++++++++++++++++++++++++++
 1 files changed, 65 insertions(+), 0 deletions(-)

diff --git a/SOURCES/v1.10-migrator-helper b/SOURCES/v1.10-migrator-helper
new file mode 100644
index 0000000..2ab1727
--- /dev/null
+++ b/SOURCES/v1.10-migrator-helper
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# Copyright (C) 2016 Red Hat, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set -euo pipefail
+IFS=$'\n\t'
+
+# This is a small wrapper script that automatically fetches
+# the storage options from the docker-storage sysconfig file
+# and passes them to the migrator.
+#
+# The script supports both in-container runs and direct
+# invocation.
+
+MIGRATOR=/usr/bin/v1.10-migrator-local
+STORAGE_FILE=/etc/sysconfig/docker-storage
+GRAPH=/var/lib/docker
+
+main() {
+
+	# are we in a container?
+	if [[ -n ${container-} ]]; then
+
+		if [[ ! -d /host ]]; then
+			echo "ERROR: Running inside a container, but /host not mounted." >&2
+			exit 1
+		fi
+
+		cp "$MIGRATOR" /host/tmp
+		MIGRATOR="chroot /host /tmp/$(basename $MIGRATOR)"
+		STORAGE_FILE=/host${STORAGE_FILE}
+	fi
+
+	if [ ! -d "$GRAPH" ]; then
+		echo "ERROR: Cannot find docker root dir at \"$GRAPH\"." >&2
+		exit 1
+	fi
+
+	# load storage opts if we can find the file
+	local storage_opts=
+	if [ -r "$STORAGE_FILE" ] && grep -q -E '^DOCKER_STORAGE_OPTIONS\s*=' "$STORAGE_FILE"; then
+		storage_opts=$(sed -n -e 's/^DOCKER_STORAGE_OPTIONS\s*=\s*// p' "$STORAGE_FILE")
+		storage_opts=${storage_opts#\"}
+		storage_opts=${storage_opts%\"}
+	fi
+
+	CMD="$MIGRATOR --graph $GRAPH $storage_opts"
+	echo "RUNNING: $CMD"
+	eval $CMD
+}
+
+main "$@"

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