mirror of
https://github.com/Llewellynvdm/Tomb.git
synced 2024-11-17 10:05:11 +00:00
be911b1e16
this new "flavor" of tomb uses veracrypt for mounted volumes and POSIX sh only for its scripting, is a work in progress and still lacks full functionality, but provides a proof-of-concept to be developed further if needs arise.
60 lines
1.6 KiB
Bash
Executable File
60 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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if command -v greadlink >/dev/null; then
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bats_readlinkf() {
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greadlink -f "$1"
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}
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else
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bats_readlinkf() {
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readlink -f "$1"
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}
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fi
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fallback_to_readlinkf_posix() {
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bats_readlinkf() {
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[ "${1:-}" ] || return 1
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max_symlinks=40
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CDPATH='' # to avoid changing to an unexpected directory
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target=$1
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[ -e "${target%/}" ] || target=${1%"${1##*[!/]}"} # trim trailing slashes
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[ -d "${target:-/}" ] && target="$target/"
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cd -P . 2>/dev/null || return 1
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while [ "$max_symlinks" -ge 0 ] && max_symlinks=$((max_symlinks - 1)); do
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if [ ! "$target" = "${target%/*}" ]; then
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case $target in
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/*) cd -P "${target%/*}/" 2>/dev/null || break ;;
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*) cd -P "./${target%/*}" 2>/dev/null || break ;;
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esac
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target=${target##*/}
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fi
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if [ ! -L "$target" ]; then
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target="${PWD%/}${target:+/}${target}"
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printf '%s\n' "${target:-/}"
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return 0
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fi
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# `ls -dl` format: "%s %u %s %s %u %s %s -> %s\n",
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# <file mode>, <number of links>, <owner name>, <group name>,
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# <size>, <date and time>, <pathname of link>, <contents of link>
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# https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ls.html
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link=$(ls -dl -- "$target" 2>/dev/null) || break
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target=${link#*" $target -> "}
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done
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return 1
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}
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}
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if ! BATS_PATH=$(bats_readlinkf "${BASH_SOURCE[0]}" 2>/dev/null); then
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fallback_to_readlinkf_posix
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BATS_PATH=$(bats_readlinkf "${BASH_SOURCE[0]}")
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fi
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export BATS_ROOT=${BATS_PATH%/*/*}
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export -f bats_readlinkf
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exec env BATS_ROOT="$BATS_ROOT" "$BATS_ROOT/libexec/bats-core/bats" "$@"
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