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nixos/nixos-install: tell the user what to do if setting a root password failed

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If setting a root password using the `passwd` call in the
`nixos-install` script fails, it should be explained how set it manually
to ensure that nobody gets accidentally locked out of the system.
This commit is contained in:
Maximilian Bosch 2019-03-03 21:07:14 +01:00
parent 77edcf88dc
commit eaf98c7bcf
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GPG key ID: 091DBF4D1FC46B8E
1 changed files with 12 additions and 1 deletions
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13
nixos/modules/installer/tools/nixos-install.sh
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@ -138,7 +138,18 @@ fi
# Ask the user to set a root password, but only if the passwd command
# exists (i.e. when mutable user accounts are enabled).
if [[ -z $noRootPasswd ]] && [ -t 0 ]; then
nixos-enter --root "$mountPoint" -c '[[ -e /nix/var/nix/profiles/system/sw/bin/passwd ]] && echo "setting root password..." && /nix/var/nix/profiles/system/sw/bin/passwd'
if nixos-enter --root "$mountPoint" -c 'test -e /nix/var/nix/profiles/system/sw/bin/passwd'; then
set +e
nixos-enter --root "$mountPoint" -c 'echo "setting root password..." && /nix/var/nix/profiles/system/sw/bin/passwd'
exit_code=$?
set -e
if [[ $exit_code != 0 ]]; then
echo "Setting a root password failed with the above printed error."
echo "You can set the root password manually by executing \`nixos-enter --root ${mountPoint@Q}\` and then running \`passwd\` in the shell of the new system."
exit $exit_code
fi
fi
fi
echo "installation finished!"