1 files changed, 57 insertions, 0 deletions
diff --git a/source/a/btrfs-progs/fsck.btrfs b/source/a/btrfs-progs/fsck.btrfs
new file mode 100644
index 000000000..779e0b794
--- /dev/null
+++ b/source/a/btrfs-progs/fsck.btrfs
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+# Copyright 2011  Patrick J. Volkerding, Sebeka, Minnesota, USA
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Currently, btrfsck does not recognize any options, so eat any initial options
+# beginning with '-'.  Then, check the remaining args with btrfsck only if they
+# exist and are readable.
+
+# Strip initial args:
+while [ ! -z "$1" ]; do
+  if [ "$(echo $1 | cut -b1)" = "-" ]; then
+    shift # strip option from command line
+  else
+    break
+  fi
+done
+
+# Main filesystem check loop:
+RETVAL=0
+while [ ! -z "$1" ]; do
+  if [ -r "$1" ]; then
+    echo "fsck.btrfs:  Checking filesystem on $1"
+    # Checking the root filesystem (even read-only) will fail, check for that:
+    if ! grep -w "$1" /etc/fstab | grep -wq / ; then
+      btrfsck "$1"
+      ERRCODE=$?
+      if [ ! $ERRCODE = 0 ]; then
+        RETVAL=$ERRCODE
+      fi
+    else
+      echo "  $1 mounted on /, skipped."
+    fi
+  fi
+  shift
+done
+
+# If there was an error, return the most recent error code:
+exit $RETVAL
+