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Avoid dig errors if not connected to a network

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This commit is contained in:
2Shirt 2019-04-11 21:00:32 -07:00
parent c4755124a0
commit d113d710a7
Signed by: 2Shirt
GPG key ID: 152FAC923B0E132C
1 changed files with 6 additions and 4 deletions
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10
.linux_items/include/airootfs/etc/skel/.update_network
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@ -11,10 +11,12 @@ IP="$(ip a show scope global \
| grep inet \ | grep inet \
| head -1 \ | head -1 \
| sed -r 's#.*inet ([0-9]+.[0-9]+.[0-9]+.[0-9]+.)/.*#\1#')" | sed -r 's#.*inet ([0-9]+.[0-9]+.[0-9]+.[0-9]+.)/.*#\1#')"
HOSTNAME="$(dig +noall +answer +short -x "$IP" \ if [[ "${IP:+x}" ]]; then
| grep -v ';' \ HOSTNAME="$(dig +noall +answer +short -x "$IP" \
| head -1 \ | grep -v ';' \
| sed 's/\.$//')" | head -1 \
| sed 's/\.$//')"
fi
# Set hostname # Set hostname
if [[ "${HOSTNAME:+x}" ]]; then if [[ "${HOSTNAME:+x}" ]]; then