From 41c0b628dd6ce485f8e896471948e073014f3e34 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Wed, 9 Dec 2015 08:25:45 +0000
Subject: [PATCH] Optionally remove existing usb backup before starting new one

---
 man/freedombone-backup-local.1.gz | Bin 547 -> 611 bytes
 src/freedombone-backup-local      |  12 ++++++++++++
 2 files changed, 12 insertions(+)

diff --git a/man/freedombone-backup-local.1.gz b/man/freedombone-backup-local.1.gz
index 52644965c80ea7a06101b0affadcdc6480d6999e..ef9373976ad3dfd9f9d1ed2a853a227cba4a5d63 100644
GIT binary patch
literal 611
zcmV-p0-XIHiwFR5<!4p^1AS9nZ<|06e7|3@;>9m9B(5r@R#nv`t{o+gEn^y`X&&xi
z4c7pN?!yWHzRO43#8Qe*LhS9#&dnVDZV7vhn5t5!3de#cPp%#pD&Ym3fp>Zimzcoh
z^z5St9<6Wxnjto*M+R2Ba=h>u^P?qrx3ksUWAAeQ97EWBgH_O%j8&RvcmlSmB^8PW
zIK)v1sg?&EXruev^(MNC{zLtc;z1_(2oD-db->2~dO43SwpW|o)%w<ByIdMbR9W&W
zg+wE_XlR`HtI6gF8O?>B?F624ndBfED(tx{EJ(xr5CYl{Oe*}Il9n^>SUl8)%Q8$s
zRs*$ZjKy*wB@n*Um{{tdeO{2Bv;l#zSGwf3t@BpiO?({zR*7!vw$^d`5FrxA^u)uN
zT4}Ex>WLV=h^9oFs}$6JI61Lb$F$IEXaT(`#vgo)quGL@otYNJh0tUWw^CKmC<jSf
zY{mR?#*!BZqaHs3%}JmpmDDnNFTN3DK+g~a8OzvO1CetGk!J;VS1v4Qe|pr)skLr}
zboRdy)87OV+>q1KSXpI%a02O!6o}=zE4L<A_)H_o+WUbdZOx^aD22T$3iWJ`hl^px
zU{V+_=#Fl&R@#Da89{BENp5Xzra_QNn>*oCT7lpu*GcfokU$#a&<s?wc(+_{Jr*hf
zD`l<bC43f2eAP-QD-+|pC*P_s%omz%7MozPSxjL*`*c2;e>m@|p|m9$Lx0y4!qs?^
x+_}6A58u<hUgkII$1XMX#nUy)ozgLy=%z#6p_q1pN$=ZP>^I1KDH<>Y007k~Ca?ei

literal 547
zcmV+;0^I!{iwFQGxMo%W1AUTRZ<{a_hVT6=j=0H918t{CSu{-xZI(pMmr7W*uM69p
zfEU2XAMN<}I|Q_Kl{#bz`S`q#U%z&ESi;dDX1Wr(#<Ae?<ePD+B`@I$g3AfqqJ-<q
ztG59JG(P=phSZ`NS=jK}^D<y8OqLLAXPbGzUS)nCLwuft)6kc!(}w4G0j_Nn70MPk
zq)7~!QI9xalP}xdK3OIIL4V8eQAzwUC~oJ;&HZYBSnaj}I~2--)K$gn45UHs(9$mA
zj}=!S<g^|1kPCP!lq^8BR5)^9I#8B{F+{W;*-V5zl7_ebrDteLpXZo?st2@ft;1@7
zk_dk_C>?dsIxopj)`CDdYEyC7)p=)co!%vYwKQ$h)z0h?5=7G29z2|>v-Uig9>nNJ
zm<nB?GtkH3<V3GuVxjlY3HnfMIOLcnvjyGg%yud+grR`AQ@Vy$dyrkRGxO71M_C|@
zdi@9tCxeDuQp@PITN^P3^bHq5!7{cpKyVH*^1Q_JON&cdpT212gTXjm(6hM5MjHph
z=Va7%c@)kyb{a*wa)lQmB^3#73nQavW+G*+M?0Wq>0!CM4_K@PY_xNRSMXkF@zH3Z
zosu^6r_kvSEEI<A7yD?jUrb>>dpEhBznPq?v2qn!OAmSq@n(E2AAC{8kDs%nSr%*k
l^^n=-=5&YZpiPQ4S)Wx8D5ht_<oDmb*l#_FJ)WZj001(#3bFtI

diff --git a/src/freedombone-backup-local b/src/freedombone-backup-local
index aca32644..7334dcb9 100755
--- a/src/freedombone-backup-local
+++ b/src/freedombone-backup-local
@@ -189,6 +189,17 @@ function make_backup_directory {
     fi
 }
 
+function remove_backup_directory {
+    if [ $1 ]; then
+        if [[ $1 == "remove" ]]; then
+            if [ ! -d $USB_MOUNT/backup ]; then
+                rm -rf $USB_MOUNT/backup
+                echo 'Existing backup directory removed'
+            fi
+        fi
+    fi
+}
+
 function check_storage_space_remaining {
     # Check space remaining on the usb drive
     used_percent=$(df -k $USB_MOUNT | tail -n 1 | awk -F ' ' '{print $5}' | awk -F '%' '{print $1}')
@@ -324,6 +335,7 @@ function backup_directories {
 }
 
 mount_drive $1 $2
+remove_backup_directory $2
 make_backup_directory
 check_storage_space_remaining
 backup_users