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| #!/bin/bash | |
| # | |
| # Simple script to resize the writable paritition of a Ubuntu Snappy system | |
| # to the maximum possible value of the underlaying storage device. | |
| # | |
| # Author : Simon Eisenmann <simon@struktur.de> | |
| # License : BSD-3-Clause http://opensource.org/licenses/BSD-3-Clause | |
| # | |
| # Copyright (c) 2015, struktur AG | |
| # All rights reserved. | |
| # | |
| # Redistribution and use in source and binary forms, with or without | |
| # modification, are permitted provided that the following conditions are met: | |
| # | |
| # 1. Redistributions of source code must retain the above copyright notice, | |
| # this list of conditions and the following disclaimer. | |
| # | |
| # 2. Redistributions in binary form must reproduce the above copyright notice, | |
| # this list of conditions and the following disclaimer in the documentation | |
| # and/or other materials provided with the distribution. | |
| # | |
| # 3. Neither the name of the copyright holder nor the names of its | |
| # contributors may be used to endorse or promote products derived from this | |
| # software without specific prior written permission. | |
| # | |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| # POSSIBILITY OF SUCH DAMAGE. | |
| set -e | |
| DEVNAME=$(blkid -L writable) | |
| echo DEVNAME=$DEVNAME | |
| DEV=$(basename $DEVNAME) | |
| echo DEV=$DEV | |
| BLOCKPATH=/sys/class/block/$DEV | |
| echo BLOCKPATH=$BLOCKPATH | |
| PARTITION=$(cat $BLOCKPATH/partition) | |
| echo PARTITION=$PARTITION | |
| REALPATH=$(realpath $BLOCKPATH) | |
| echo REALPATH=$REALPATH | |
| PARENTPATH=$(dirname $REALPATH) | |
| echo PARENTPATH=$PARENTPATH | |
| BLK=$(cat $PARENTPATH/dev) | |
| echo BLK=$BLK | |
| BLKDEV=$(realpath /dev/block/$BLK) | |
| echo BLKDEV=$BLKDEV | |
| set +e | |
| growpart --fudge 20480 -u auto $BLKDEV $PARTITION | |
| resize2fs $DEVNAME |