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annotate Scripts/lint-shlibs.sh @ 1258:2d76a344c29e

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python/python: fix build and manual pages
author David Demelier <markand@malikania.fr>
date Wed, 03 Nov 2021 06:42:05 +0100
parents 297b5eef115e
children 9867e578b1a9
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1 #!/bin/sh
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2 #
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3 # lint-shlibs.sh -- quick and dirty script to check shared libraries
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4 #
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5 # Copyright (c) 2019 David Demelier <markand@malikania.fr>
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6 #
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7 # Permission to use, copy, modify, and/or distribute this software for any
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8 # purpose with or without fee is hereby granted, provided that the above
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9 # copyright notice and this permission notice appear in all copies.
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10 #
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11 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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12 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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13 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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14 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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15 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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16 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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17 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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18 #
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19
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20 . $(busybox dirname $0)/scripts.subr
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21
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22 dependencies()
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23 {
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24 vpk info -l $1 | while read -r file; do
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25 if ! file /$file | grep -q "dynamically linked"; then
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26 continue
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27 fi
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28
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29 # TODO: this is absolutely insane.
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30 readelf -d /$file | grep -E 'Shared library' | awk '{ print $5 }' | sed -e "s/\[//" | sed -e "s/\]//" | while read -r library; do
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31 echo "$library"
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32 done
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33 done | sort | uniq
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34 }
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35
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36 check()
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37 {
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38 printf "${BOLD}==> checking shared libraries for $1:${RESET}\n"
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39
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40 if ! vpk info $1 > /dev/null 2>&1; then
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41 echo "warning: not installed, can't verify" 1>&2
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42 return 1;
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43 fi
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44
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45 dependencies $1 | while read -r lib; do
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46 # Skip implicit dependencies
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47 case $lib in
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48 "libc.so"*|"libc++.so"*|"libc++abi.so"*|"libunwind.so"*)
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49 continue
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50 ;;
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51 esac
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52
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53 # Find in which package this library belong to.
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54 local pkg=$(basename $(grep -l $lib /var/lib/vpk/* | head -n1))
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55
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56 # Skip the dependency for itself.
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57 if [ "$pkg" = "$1" ]; then
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58 continue
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59 fi
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60
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61 # Check if this package is dependency of it.
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62 if ! vpk info -m "depends" $1 | grep -q $pkg; then
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63 echo "$pkg dependency missing (shared library: $lib)"
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64 fi
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65 done
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66 }
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67
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68 list()
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69 {
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70 if [ "$#" -eq 0 ]; then
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71 vpk list | tr '\n' ' '
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72 else
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73 echo "$@"
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74 fi
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75 }
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76
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77 for pkg in $(list "$@"); do
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78 check $pkg
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79 done