installers/pc: Save mirror address to /etc/hosts

If the user gives a network interface a static configuration,
/etc/resolv.conf may be overwritten with values invalid for the current
network.

1 files changed, 5 insertions, 0 deletions

diff --git a/installers/pc.sh b/installers/pc.sh
index 39e1e94..5729743 100755
--- a/installers/pc.sh
+++ b/installers/pc.sh
@@ -60,8 +60,13 @@ main()
 	"${0%installers/pc.sh}./miniprokit.sh" install \
 		-a "${host_arch}" -P "${host_plat}" \
 		${mirror:+-m} ${mirror} "${mountpoint}"
+	mirror="$(printf '%s\n' "${mirror}" | \
+		sed 's|^.*://||; s|^.*@||; s|/.*$||g;')"
+	printf '%s %s\n' "$(nslookup "${mirror}" | sed -n 's/Address: //p' | \
+		head -n 1)" "${mirror}" >"${mountpoint}/etc/hosts"
 	"${0%installers/pc.sh}./miniprokit.sh" shell "${mountpoint}" \
 		<"${0%pc.sh}data/pc.sh"
+	rm "${mountpoint}/etc/hosts"
 	umount_fs "${mountpoint}"
 }