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sequoia-nixbld-user-migration: Try to recreate all missing users instead of just first contiguous set #13058

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sequoia-nixbld-user-migration: Try to recreate all missing users instead of just first contiguous set #13058

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12 changes: 7 additions & 5 deletions scripts/sequoia-nixbld-user-migration.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -79,18 +79,20 @@ change_nixbld_uids(){
local existing_gid name next_id user_n

((next_id=NEW_NIX_FIRST_BUILD_UID))
((user_n=1))
name="$(nix_user_n "$user_n")"
existing_gid="$(dsclattr "/Groups/nixbld" "PrimaryGroupID")"

# we know that we have *some* nixbld users, but macOS may have
# already clobbered the first few users if this system has been
# upgraded
# upgraded. just try to recreate any missing ones.

echo ""
echo "Step 2: re-create missing early _nixbld# users."
echo "Step 2: re-create missing _nixbld# users."

until dscl . read "/Users/$name" &>/dev/null; do
for user_n in $(seq 1 32); do
name="$(nix_user_n "$user_n")"
if dscl . read "/Users/$name" &>/dev/null; then
continue
fi
# iterate for a clean ID
while id_unavailable "$next_id"; do
((next_id++))
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