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improve code, drop setsid, move set -ef to main function

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illiliti
2020-05-19 07:29:40 +03:00
parent 55008b4c98
commit 0eb35dca65
4 changed files with 73 additions and 144 deletions
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9
device-helper
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@ -12,7 +12,7 @@ create_symlink()
sym="${dir}/${sym}"
mkdir -p "$dir"
ln -s "/dev/${dev_name}" "$sym"
ln -s "../../${dev_name}" "$sym"
}
# int main()
@ -21,7 +21,7 @@ create_symlink()
exec > /dev/null 2>&1
# avoid race condition
# prevent race condition
while ! blkid "/dev/${dev_name}"; do sleep 1; done
for line in $(blkid "/dev/${dev_name}"); do case "${line%%=*}" in
@ -30,9 +30,8 @@ create_symlink()
PARTUUID) create_symlink /dev/disk/by-partuuid "${line##*=}" ;;
esac; done
[ -e "/sys/block/${dev_name}/dm/name" ] && {
read -r dm_name < "/sys/block/${dev_name}/dm/name" && {
mkdir -p /dev/mapper
read -r dm_name < "/sys/block/${dev_name}/dm/name"
ln -sf "/dev/${dev_name}" "/dev/mapper/${dm_name}"
ln -sf "../${dev_name}" "/dev/mapper/${dm_name:?}"
}
}