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75 lines
1.8 KiB
Bash
75 lines
1.8 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2022-01-16 10:41:43 +0000 (Sun, 16 Jan 2022)
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Checks for broken symlinks that don't point to existing targets
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Traverses the given directory or \$PWD
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<starting_directory>]"
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help_usage "$@"
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#min_args 1 "$@"
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basedir="${1:-.}"
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section "Symlink Check"
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start_time="$(start_timer)"
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failing_symlinks=0
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while read -r symlink; do
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if [[ "$symlink" =~ /\.git/ ]]; then
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continue
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fi
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# readlink -f fails to return anything if a parent dir component doesn't exist
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target="$(readlink -m "$symlink" || :)"
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echo -n '.'
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# shouldn't happen now switched from readlink -f to readlink -m
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if [ -z "$target" ]; then
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echo
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echo "WARNING: symlink '$symlink' target could not be resolved" >&2
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((failing_symlinks+=1))
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elif ! [ -e "$target" ]; then
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echo
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echo "WARNING: symlink '$symlink' => '$target' - target does not exist" >&2
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((failing_symlinks+=1))
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fi
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done < <(find "$basedir" -type l)
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echo
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if [ "$failing_symlinks" -gt 0 ]; then
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echo
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echo "ERROR: broken symlinks found!" >&2
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echo
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exit 1
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fi
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time_taken "$start_time"
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section2 "All Symlink checks passed"
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echo
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