47 lines
1.6 KiB
Bash
47 lines
1.6 KiB
Bash
|
#!/usr/bin/env bash
|
||
|
|
|
||
|
|
((NEW_NIX_FIRST_BUILD_UID=301))
|
||
|
|
|
||
|
|
id_available(){
|
||
|
|
dscl . list /Users UniqueID | grep -E '\b'$1'\b' >/dev/null
|
||
|
|
}
|
||
|
|
|
||
|
|
change_nixbld_names_and_ids(){
|
||
|
|
local name uid next_id
|
||
|
|
((next_id=NEW_NIX_FIRST_BUILD_UID))
|
||
|
|
echo "Attempting to migrate nixbld users."
|
||
|
|
echo "Each user should change from nixbld# to _nixbld#"
|
||
|
|
echo "and their IDs relocated to $next_id+"
|
||
|
|
while read -r name uid; do
|
||
|
|
echo " Checking $name (uid: $uid)"
|
||
|
|
# iterate for a clean ID
|
||
|
|
while id_available "$next_id"; do
|
||
|
|
((next_id++))
|
||
|
|
if ((next_id >= 400)); then
|
||
|
|
echo "We've hit UID 400 without placing all of your users :("
|
||
|
|
echo "You should use the commands in this script as a starting"
|
||
|
|
echo "point to review your UID-space and manually move the"
|
||
|
|
echo "remaining users (or delete them, if you don't need them)."
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
|
||
|
|
if [[ $name == _* ]]; then
|
||
|
|
echo " It looks like $name has already been renamed--skipping."
|
||
|
|
else
|
||
|
|
# first 3 are cleanup, it's OK if they aren't here
|
||
|
|
sudo dscl . delete /Users/$name dsAttrTypeNative:_writers_passwd &>/dev/null || true
|
||
|
|
sudo dscl . change /Users/$name NFSHomeDirectory "/private/var/empty 1" "/var/empty" &>/dev/null || true
|
||
|
|
# remove existing user from group
|
||
|
|
sudo dseditgroup -o edit -t user -d $name nixbld || true
|
||
|
|
sudo dscl . change /Users/$name UniqueID $uid $next_id
|
||
|
|
sudo dscl . change /Users/$name RecordName $name _$name
|
||
|
|
# add renamed user to group
|
||
|
|
sudo dseditgroup -o edit -t user -a _$name nixbld
|
||
|
|
echo " $name migrated to _$name (uid: $next_id)"
|
||
|
|
fi
|
||
|
|
done < <(dscl . list /Users UniqueID | grep nixbld | sort -n -k2)
|
||
|
|
}
|
||
|
|
|
||
|
|
change_nixbld_names_and_ids
|