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annotate more/zapchroot.sh @ 1299:dcf7da6a6633

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Add the sha1sum to the LFS tarball.
author Rob Landley <rob@landley.net>
date Mon, 22 Nov 2010 17:31:51 -0600
parents 720b109bc978
children ffdc94c67308
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/bash
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2
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3 # Copyright 2010 Rob Landley <rob@landley.net> licensed under GPLv2
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4
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5 if [ "$1" == "-d" ]
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6 then
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7 DELETE=1
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8 shift
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9 fi
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10
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11 # Clean up a chroot directory
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12
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13 ZAP=$(readlink -f "$1" 2>/dev/null)
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14
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15 if [ ! -d "$ZAP" ]
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16 then
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17 echo "usage: zapchroot [-d] dirname"
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18 exit 1
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19 fi
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20
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21 i="$(readlink -f "$(pwd)")"
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22 if [ "$ZAP" == "${i:0:${#ZAP}}" ]
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23 then
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24 echo "Sanity check failed: cwd is under zapdir" >&2
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25 exit 1
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26 fi
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28 # Iterate through the second entry of /proc/mounts in reverse order
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29
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30 for i in $(awk '{print $2}' /proc/mounts | tac)
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31 do
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32 # De-escape octal versions of space, tab, backslash, newline...
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33 i=$(echo -e "$i")
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35 # Skip entries that aren't under our chroot
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36 [ "$ZAP" != "${i:0:${#ZAP}}" ] && continue
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37
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38 echo "Umounting: $i"
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39 umount "$i"
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40 done