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Improve bootstrap-haskell and fix shellcheck warnings

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This commit is contained in:
Julian Ospald 2022-03-18 18:17:00 +01:00
parent ba8e4f6ac6
commit a2373f2056
Signed by: hasufell
GPG Key ID: 3786C5262ECB4A3F
1 changed files with 4 additions and 1 deletions
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scripts/bootstrap/bootstrap-haskell
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@ -197,12 +197,15 @@ posix_realpath() {
current_loop=0
max_loops=50
mysource=$1
# readlink and '[ -h $path ]' behave different wrt '/sbin/' and '/sbin', so we strip it
mysource=${mysource%/}
[ -z "${mysource}" ] && mysource=$1
while [ -h "${mysource}" ]; do
current_loop=$((current_loop+1))
mydir="$( cd -P "$( dirname "${mysource}" )" > /dev/null 2>&1 && pwd )"
mysource="$(readlink "${mysource}")"
[ "${mysource%${mysource#?}}"x != '/x' ] && mysource="${mydir}/${mysource}"
[ "${mysource%"${mysource#?}"}"x != '/x' ] && mysource="${mydir%/}/${mysource}"
if [ ${current_loop} -gt ${max_loops} ] ; then
(>&2 echo "${1}: Too many levels of symbolic links")