2015-07-07 08:16:29 -04:00
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function centos_is_stupid {
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2015-07-15 03:26:34 -04:00
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FUNCNAME="centos_is_stupid"
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2015-07-07 08:16:29 -04:00
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echo "Checking for appropriate kernel version and mksquashfs version..."
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SQFS_VER=$(mksquashfs -version 2>&1 | head -n1 | awk '{print $3}' | sed -re 's/(^[0-9]*\.[0-9]*).*$/\1/g')
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KERN_VER=$(uname -r | cut -f1 -d"-")
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SQUASH_OPTS="-noappend -comp xz"
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set +e
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ver_check() {
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[ "$1" == "$2" ] && return 10
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ver1front=`echo $1 | cut -d "." -f -1`
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ver1back=`echo $1 | cut -d "." -f 2-`
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ver2front=`echo $2 | cut -d "." -f -1`
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ver2back=`echo $2 | cut -d "." -f 2-`
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if [ "$ver1front" != "$1" ] || [ "$ver2front" != "$2" ]; then
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[ "$ver1front" -gt "$ver2front" ] && return 11
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[ "$ver1front" -lt "$ver2front" ] && return 9
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[ "$ver1front" == "$1" ] || [ -z "$ver1back" ] && ver1back=0
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[ "$ver2front" == "$2" ] || [ -z "$ver2back" ] && ver2back=0
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ver_check "$ver1back" "$ver2back"
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return $?
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else
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[ "$1" -gt "$2" ] && return 11 || return 9
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fi
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}
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ver_check ${KERN_VER} "2.6.38"
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KERNTEST=${?}
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ver_check ${SQFS_VER} "4.2"
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SQFSTEST=${?}
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if [ ${KERNTEST} -lt "10" ];
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then
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echo "You need a newer kernel to even think about doing this. (>= 2.6.38)"
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echo "If you're on CentOS, there are 3.x branches available via the elrepo repository."
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echo "I recommend the 'kernel-lt' package from there."
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echo "Bailing out."
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exit 1
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#elif [ ${SQFS_VER} -ge "4.2" ] && [ ${KERN_VER} -ge "2.6.38" ];
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elif [ ${SQFSTEST} -ge "10" ] && [ ${KERNTEST} -ge "10" ];
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then
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#echo "Awesome; your mksquashfs (if found) is not less than v4.2."
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SQUASH_CMD=$(which mksquashfs)
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if [ ${?} != "0" ];
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then
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echo "...Except you need to install whatever package you need to for mksquashfs."
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exit 1
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else
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SQUASH_CMD=$(which mksquashfs)
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fi
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elif [ ${SQFSTEST} -lt "10" ] && [ ${KERNTEST} -ge "10" ];
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then
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if [ ! -f ${SRCDIR}/squashfs4.2/squashfs-tools/mksquashfs ];
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then
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echo "Boy howdy. We need to compile a custom version of the squashfs-tools because you aren't running a version that supports XZ. Give me a second."
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set -e
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mkdir -p ${SRCDIR} ${BASEDIR}/bin
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cd ${SRCDIR}
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#wget --quiet -O squashfs4.2.tar.gz "http://downloads.sourceforge.net/project/squashfs/squashfs/squashfs4.2/squashfs4.2.tar.gz?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fsquashfs%2Ffiles%2F&ts=1387047818&use_mirror=hivelocity"
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curl -o squashfs4.2.tar.gz "http://downloads.sourceforge.net/project/squashfs/squashfs/squashfs4.2/squashfs4.2.tar.gz?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fsquashfs%2Ffiles%2F&ts=1387047818&use_mirror=hivelocity" >> "${LOGFILE}.${FUNCNAME}" 2>&1
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tar -zxf squashfs4.2.tar.gz
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cd squashfs4.2/squashfs-tools
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make clean
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sed -i -e 's/^#\(XZ_SUPPORT\)/\1/g' Makefile
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make
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SQUASH_CMD="${SRCDIR}/squashfs4.2/squashfs-tools/mksquashfs"
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else
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echo "Using custom-compiled mksquashfs from an earlier run."
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SQUASH_CMD="${SRCDIR}/squashfs4.2/squashfs-tools/mksquashfs"
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fi
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fi
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set -e
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}
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