[PATCH 6/9] e2scrub_all: add the -n option which shows what e2scrub_all would do

["Theodore Ts'o" <tytso@xxxxxxx>]

Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
---
 scrub/e2scrub_all.8.in | 9 +++++++--
 scrub/e2scrub_all.in   | 8 +++++---
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/scrub/e2scrub_all.8.in b/scrub/e2scrub_all.8.in
index ba3b8735e..2787a7108 100644
--- a/scrub/e2scrub_all.8.in
+++ b/scrub/e2scrub_all.8.in
@@ -20,12 +20,17 @@ See the
 manual page for more information about how the checking is performed.
 .SH OPTIONS
 .TP
-\fB-A\fR
-Scrub all ext[234] filesystems even if they are not mounted.
+\fB-n\fR
+Print what commands
+.B e2scrub_all
+would execute (but don't actually execute them).
 .TP
 \fB-r\fR
 Remove e2scrub snapshots but do not check anything.
 .TP
+\fB-A\fR
+Scrub all ext[234] filesystems even if they are not mounted.
+.TP
 \fB-V\fR
 Print version information and exit.
 .SH SEE ALSO
diff --git a/scrub/e2scrub_all.in b/scrub/e2scrub_all.in
index d725a7f2e..8bc868aa0 100644
--- a/scrub/e2scrub_all.in
+++ b/scrub/e2scrub_all.in
@@ -29,8 +29,9 @@ scrub_args=""
 
 print_help() {
 	echo "Usage: $0 [OPTIONS]"
-	echo " -A: Scrub all ext[234] filesystems even if not mounted."
+	echo " -n: Show what commands e2scrub_all would execute."
 	echo " -r: Remove e2scrub snapshots."
+	echo " -A: Scrub all ext[234] filesystems even if not mounted."
 	echo " -V: Print version information and exit."
 }
 
@@ -60,10 +61,11 @@ exitcode() {
 	exit "${ret}"
 }
 
-while getopts "ArV" opt; do
+while getopts "nrAV" opt; do
 	case "${opt}" in
-	"A") scrub_all=1;;
+	"n") DBG="echo Would execute: " ;;
 	"r") scrub_args="${scrub_args} -r";;
+	"A") scrub_all=1;;
 	"V") print_version; exitcode 0;;
 	*) print_help; exitcode 2;;
 	esac
-- 
2.19.1