[PATCH] Improvement of backup iso script

[Jonatan Schlag <jonatan.schlag@ipfire.org>]

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The backup iso script did not check the arch of the host. On x86_64 host
the wrong iso was downloaded.

Furthermore, there were some if clauses which could cause trouble which
I also tried to improve.
(For example: -e is valid if we have a directory or a file, but we want
to check for a file only )

Fixes: 11258

Signed-off-by: Jonatan Schlag <jonatan.schlag(a)ipfire.org>
---
 src/scripts/backupiso | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/src/scripts/backupiso b/src/scripts/backupiso
index 014e8e9..e92f385 100644
--- a/src/scripts/backupiso
+++ b/src/scripts/backupiso
@@ -1,9 +1,29 @@
 #!/bin/sh
+arch=$(uname -m)
+
+case $arch in
+	"i586")
+	arch="i586"
+	echo "Your arch is $arch"
+	;;
+	"i686")
+	arch="i586"
+	echo "Your arch is $arch"
+	;;
+	"x86_64")
+	arch="x86_64"
+	echo "Your arch is $arch"
+	;;
+	*)
+	echo "Arch is not supported"
+	exit 1
+	;;
+esac
 
 COREVER=$(cat /opt/pakfire/db/core/mine)
 # FIXME: edit this lines before release
 URL="http://download.ipfire.org/releases/ipfire-2.x/2.19-core$COREVER/"
-ISO="ipfire-2.19.i586-full-core$COREVER.iso"
+ISO="ipfire-2.19.$arch-full-core$COREVER.iso"
 
 if [ -z $1 ]; then
 	echo usage: $0 backup-file
@@ -13,9 +33,9 @@ fi
 TS=$1
 
 mkdir -p /var/tmp/backupiso
-cd /var/tmp/backupiso
+(cd /var/tmp/backupiso || exit
 
-if [ ! -e ${ISO} ]
+if [ ! -f ${ISO} ]
 then
 	echo "Fetching ${URL}${ISO}"
 	wget --quiet -c ${URL}${ISO}
@@ -26,7 +46,7 @@ wget --quiet -O ${ISO}.md5 ${URL}${ISO}.md5
 
 echo "Checking md5 of ${ISO}"
 md5sum --status -c ${ISO}.md5
-if [ $? -eq 0 -o $? -eq 24 ]
+if [ $? -eq 0 ] || [ $? -eq 24 ]
 then
 	echo "md5 is OK"
 else
@@ -35,7 +55,7 @@ else
 	wget --quiet -O ${ISO} ${URL}${ISO}
 	echo "Checking again md5 of ${ISO}"
 	md5sum --status -c ${ISO}.md5
-	if [ $? -eq 0 -o $? -eq 24 ]
+	if [ $? -eq 0 ] || [ $? -eq 24 ]
 	then
 		echo "md5 is OK"
 	else
@@ -64,3 +84,4 @@ isohybrid $(basename ${ISO} .iso)-${TS}.iso
 
 echo "Cleaning up"
 rm -rf backupiso.${TS}
+)
-- 
2.1.4