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Safely set /etc/resolv.conf to an empty file in buildd images

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In bionic buildd image chroot, /etc/resolv.conf is a symbolic link to
a configuration file in the /run directory. A call to truncate will
modify that file, which we should not do. Instead, we want to remove
the symbolic link and replace it with an empty file.
This commit is contained in:
David Krauser 2020-03-25 18:24:27 -04:00
parent f60c01ef0b
commit 77cb232e8b
1 changed files with 3 additions and 4 deletions
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7
live-build/buildd/hooks/49-empty-resolv-conf.binary
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@ -1,4 +1,3 @@
#!/bin/sh
set -e
chroot chroot truncate -s 0 /etc/resolv.conf
#!/bin/sh -e
chroot chroot rm /etc/resolv.conf
chroot chroot touch /etc/resolv.conf