[PATCH 11/14] xfs_scrub_all: report version

["Darrick J. Wong" <darrick.wong@oracle.com>]

From: Darrick J. Wong <darrick.wong@oracle.com>

Make xfs_scrub_all -V report its version like the other xfs tools.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 man/man8/xfs_scrub_all.8 |   10 ++++++++++
 scrub/Makefile           |    1 +
 scrub/xfs_scrub_all.in   |   11 +++++++++++
 3 files changed, 22 insertions(+)


diff --git a/man/man8/xfs_scrub_all.8 b/man/man8/xfs_scrub_all.8
index 5e1420b..7454880 100644
--- a/man/man8/xfs_scrub_all.8
+++ b/man/man8/xfs_scrub_all.8
@@ -3,6 +3,9 @@
 xfs_scrub_all \- scrub all mounted XFS filesystems
 .SH SYNOPSIS
 .B xfs_scrub_all
+[
+.B \-hV
+]
 .SH DESCRIPTION
 .B xfs_scrub_all
 attempts to read and check all the metadata on all mounted XFS filesystems.
@@ -13,6 +16,13 @@ in a restricted fashion.
 Mounted filesystems are mapped to physical storage devices so that scrub
 operations can be run in parallel so long as no two scrubbers access
 the same device simultaneously.
+.SH OPTIONS
+.TP
+.B \-h
+Display help.
+.TP
+.B \-V
+Prints the version number and exits.
 .SH EXIT CODE
 The exit code returned by
 .B xfs_scrub_all
diff --git a/scrub/Makefile b/scrub/Makefile
index bcc05a0..482e8a7 100644
--- a/scrub/Makefile
+++ b/scrub/Makefile
@@ -102,6 +102,7 @@ default: depend $(LTCOMMAND) $(XFS_SCRUB_ALL_PROG) $(OPTIONAL_TARGETS)
 xfs_scrub_all: xfs_scrub_all.in
 	@echo "    [SED]    $@"
 	$(Q)$(SED) -e "s|@sbindir@|$(PKG_ROOT_SBIN_DIR)|g" \
+		   -e "s|@pkg_version@|$(PKG_VERSION)|g" \
 		   -e "s|@scrub_args@|$(XFS_SCRUB_ARGS)|g" < $< > $@
 	$(Q)chmod a+x $@
 
diff --git a/scrub/xfs_scrub_all.in b/scrub/xfs_scrub_all.in
index 80f07d5..aed66a1 100644
--- a/scrub/xfs_scrub_all.in
+++ b/scrub/xfs_scrub_all.in
@@ -26,6 +26,7 @@ import threading
 import time
 import sys
 import os
+import argparse
 
 retcode = 0
 terminate = False
@@ -139,6 +140,16 @@ def main():
 		thr.start()
 	global retcode, terminate
 
+	parser = argparse.ArgumentParser( \
+			description = "Scrub all mounted XFS filesystems.")
+	parser.add_argument("-V", help = "Report version and exit.", \
+			action = "store_true")
+	args = parser.parse_args()
+
+	if args.V:
+		print("xfs_scrub_all version @pkg_version@")
+		sys.exit(0)
+
 	fs = find_mounts()
 
 	# Tail the journal if we ourselves aren't a service...