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Don't prompt about using sudo if we're already root

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This commit is contained in:
Graham Christensen 2022-08-08 15:46:17 -04:00
parent 88a0f3b6ba
commit 7bb1e913b3
2 changed files with 14 additions and 17 deletions
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6
doc/manual/src/installation/installing-binary.md
View file

@ -31,8 +31,8 @@ $ sh <(curl -L https://nixos.org/nix/install) --no-daemon
```
This will perform a single-user installation of Nix, meaning that `/nix`
is owned by the invoking user. You should run this under your usual user
account, *not* as root. The script will invoke `sudo` to create `/nix`
is owned by the invoking user. You can run this under your usual user
account or root. The script will invoke `sudo` to create `/nix`
if it doesn’t already exist. If you don’t have `sudo`, you should
manually create `/nix` first as root, e.g.:
@ -71,7 +71,7 @@ $ sh <(curl -L https://nixos.org/nix/install) --daemon
The multi-user installation of Nix will create build users between the
user IDs 30001 and 30032, and a group with the group ID 30000. You
should run this under your usual user account, *not* as root. The script
can run this under your usual user account or root. The script
will invoke `sudo` as needed.
> **Note**

25
scripts/install-multi-user.sh
View file

@ -337,10 +337,15 @@ __sudo() {
_sudo() {
local expl="$1"
shift
if ! headless; then
if ! headless || is_root; then
__sudo "$expl" "$*" >&2
fi
sudo "$@"
if is_root; then
env "$@"
else
sudo "$@"
fi
}
@ -891,17 +896,6 @@ EOF
main() {
# TODO: I've moved this out of validate_starting_assumptions so we
# can fail faster in this case. Sourcing install-darwin... now runs
# `touch /` to detect Read-only root, but it could update times on
# pre-Catalina macOS if run as root user.
if is_root; then
failure <<EOF
Please do not run this script with root privileges. I will call sudo
when I need to.
EOF
fi
check_selinux
if is_os_darwin; then
@ -915,7 +909,10 @@ EOF
fi
welcome_to_nix
chat_about_sudo
if ! is_root; then
chat_about_sudo
fi
cure_artifacts
# TODO: there's a tension between cure and validate. I moved the