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18bac98815
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.
(cherry picked from commit df36ff0d1e)
# Conflicts:
# scripts/install-darwin-multi-user.sh
47 lines
1.6 KiB
Bash
Executable File
47 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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((NEW_NIX_FIRST_BUILD_UID=350))
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id_available(){
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dscl . list /Users UniqueID | grep -E '\b'$1'\b' >/dev/null
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}
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change_nixbld_names_and_ids(){
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local name uid next_id
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((next_id=NEW_NIX_FIRST_BUILD_UID))
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echo "Attempting to migrate nixbld users."
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echo "Each user should change from nixbld# to _nixbld#"
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echo "and their IDs relocated to $next_id+"
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while read -r name uid; do
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echo " Checking $name (uid: $uid)"
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# iterate for a clean ID
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while id_available "$next_id"; do
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((next_id++))
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if ((next_id >= 400)); then
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echo "We've hit UID 400 without placing all of your users :("
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echo "You should use the commands in this script as a starting"
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echo "point to review your UID-space and manually move the"
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echo "remaining users (or delete them, if you don't need them)."
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exit 1
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fi
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done
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if [[ $name == _* ]]; then
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echo " It looks like $name has already been renamed--skipping."
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else
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# first 3 are cleanup, it's OK if they aren't here
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sudo dscl . delete /Users/$name dsAttrTypeNative:_writers_passwd &>/dev/null || true
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sudo dscl . change /Users/$name NFSHomeDirectory "/private/var/empty 1" "/var/empty" &>/dev/null || true
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# remove existing user from group
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sudo dseditgroup -o edit -t user -d $name nixbld || true
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sudo dscl . change /Users/$name UniqueID $uid $next_id
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sudo dscl . change /Users/$name RecordName $name _$name
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# add renamed user to group
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sudo dseditgroup -o edit -t user -a _$name nixbld
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echo " $name migrated to _$name (uid: $next_id)"
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fi
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done < <(dscl . list /Users UniqueID | grep nixbld | sort -n -k2)
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}
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change_nixbld_names_and_ids
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