[Grml-devel] Patch to grml-crypt

Thomas Köhler jean-luc at picard.franken.de
Thu Nov 10 17:22:52 CET 2011

Hello all,

grml-crypt allows to run fsck before mounting a filesystem using
the -F option. Given twice, fsck will be forced to run, even if
the filesystem seems to be clean.

Attached patch will add another feature to this if there is a
third -F option: It will get the next commandline option and
passes it to fsck as additional options.

For example
grml-crypt -FFF "-y -T" /dev/ice
will pass "-y -T" to the (forced) fsck.

Kind regards,
Thomas Köhler

 Thomas Köhler       Email:       jean-luc at picard.franken.de
     <><             WWW:              http://gott-gehabt.de
                     IRC: tkoehler       Freenode: thkoehler
                     PGP public key available from Homepage!
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From 00882c92a69b405752b08d00a815cab39a63fd05 Mon Sep 17 00:00:00 2001
From: Thomas Koehler <jean-luc at picard.franken.de>
Date: Thu, 10 Nov 2011 17:19:28 +0100
Subject: [PATCH] If given a third time, -F will pass the next argument as additional arguments to fsck.

 grml-crypt |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/grml-crypt b/grml-crypt
index 7722474..3e740f1 100755
--- a/grml-crypt
+++ b/grml-crypt
@@ -36,6 +36,7 @@ ACTION_=""
@@ -67,7 +68,10 @@ OPTIONS:
    -o         optimised initialisation mode (should be as secure as the default but faster)
    -y         verifies the passphrase by asking for it twice
    -f         force file overwriting in format mode and/or disable confirmation dialog
-   -F         only for action start: run fsck before mounting the filesystem. Use fsck's -f option if given twice.
+   -F         only for action start: run fsck before mounting the filesystem.
+              Use fsck's -f option if given twice.
+              Read next argument as a list of options to pass to fsck if given three times:
+              'grml-crypt -FFF "-y -T" start /dev/ice' will run fsck with options -y and -T.
    -m         additional arguments to mount
    -v         verbose (show what is going on, v++)
    -h         this help text
@@ -194,7 +198,7 @@ function actionStart
   if [[ "$FSCK_" == "true" ]] ; then
     execute "fsck -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
   elif [[ "$FSCK_" == "trueforce" ]] ; then
-    execute "fsck -f -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
+    execute "fsck -f $FSCK_EXTRA_OPTS_ -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
   $READONLY_SET_ && margs_='-r'
@@ -389,7 +393,12 @@ while getopts "s:t:rzoyfFm:hvS:C:I:A:" opt; do
     F) if [[ "$FSCK_" == "true" ]] ; then
-         FSCK_='true'
+         if [[ "$FSCK_" == "trueforce" ]] ; then
+           FSCK_EXTRA_OPTS_="$2"
+           shift
+         else
+           FSCK_='true'
+         fi

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