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efd6511555
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)
46 lines
1.6 KiB
Bash
Executable file
46 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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