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absolute-symlink.sh: check for absolute symlinks on a FreeBSD system

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The purpose of this script is to detect absolute symlinks on
a machine, e.g.:

    /etc/localtime -> /usr/share/zoneinfo/UTC

Some of these absolute symbolic links can be created intentionally,
but it is usually better to use relative symlinks.

You can run the script after `make installworld', or any other
make targets thats installs files.

You can also check your local ports with:

   env ABSOLUTE_SYMLINK_DIRS=/usr/local ./absolute-symlink.sh
This commit is contained in:
Wolfram Schneider 2024-10-26 08:31:19 +00:00
parent 2d4219919a
commit 9d585fc395
1 changed files with 49 additions and 0 deletions
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tools/build/absolute-symlink.sh Executable file
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#!/bin/sh
# Copyright (c) Oct 2024 Wolfram Schneider <wosch@FreeBSD.org>
# SPDX-License-Identifier: BSD-2-Clause
#
# absolute-symlink.sh - check for absolute symlinks on a FreeBSD system
#
# The purpose of this script is to detect absolute symlinks on
# a machine, e.g.:
#
# /etc/localtime -> /usr/share/zoneinfo/UTC
#
# Some of these absolute symbolic links can be created intentionally,
# but it is usually better to use relative symlinks.
#
# You can run the script after `make installworld', or any other
# make targets thats installs files.
#
# You can also check your local ports with:
#
# env ABSOLUTE_SYMLINK_DIRS=/usr/local ./absolute-symlink.sh
PATH="/bin:/usr/bin"; export PATH
LANG="C"; export LANG
# check other directories as well
: ${ABSOLUTE_SYMLINK_DIRS=""}
find -s -H \
/bin \
/boot \
/etc \
/lib \
/libexec \
/sbin \
/usr/bin \
/usr/include \
/usr/lib \
/usr/lib32 \
/usr/libdata \
/usr/libexec \
/usr/sbin \
/usr/src \
/usr/share \
$ABSOLUTE_SYMLINK_DIRS \
-type l \
-ls | grep -Ea -- ' -> /'
#EOF