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install-darwin: fix _nixbld uids for macOS sequoia

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Starting in macOS 15 Sequoia, macOS daemon UIDs are encroaching on our
default UIDs of 301-332. This commit relocates our range up to avoid
clashing with the current UIDs of 301-304 and buy us a little time
while still leaving headroom for people installing more than 32 users.
This commit is contained in:
Travis A. Everett 2024-07-02 21:02:45 -05:00
parent 509be0e77a
commit df36ff0d1e
2 changed files with 12 additions and 2 deletions
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2
scripts/bigsur-nixbld-user-migration.sh
View file

@ -1,6 +1,6 @@
#!/usr/bin/env bash
((NEW_NIX_FIRST_BUILD_UID=301))
((NEW_NIX_FIRST_BUILD_UID=350))
id_available(){
dscl . list /Users UniqueID | grep -E '\b'"$1"'\b' >/dev/null

12
scripts/install-darwin-multi-user.sh
View file

@ -4,7 +4,17 @@ set -eu
set -o pipefail
# System specific settings
export NIX_FIRST_BUILD_UID="${NIX_FIRST_BUILD_UID:-301}"
# Notes:
# - up to macOS Big Sur we used the same GID/UIDs as Linux (30000:30001-32)
# - we changed UID to 301 because Big Sur updates failed into recovery mode
# we're targeting the 200-400 UID range for role users mentioned in the
# usage note for sysadminctl
# - we changed UID to 350 because Sequoia now uses UIDs 300-304 for its own
# daemon users
# - we changed GID to 350 alongside above just because it hides the nixbld
# group from the Users & Groups settings panel :)
export NIX_FIRST_BUILD_UID="${NIX_FIRST_BUILD_UID:-350}"
export NIX_BUILD_GROUP_ID="${NIX_BUILD_GROUP_ID:-350}"
export NIX_BUILD_USER_NAME_TEMPLATE="_nixbld%d"
readonly NIX_DAEMON_DEST=/Library/LaunchDaemons/org.nixos.nix-daemon.plist