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fix(install): chown flake dir with real install-user uid/gid (#65)

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Hard-coded 1000:100 assumed the first free normal uid and users(100).
After nixos-install, resolve id -u/-g for USERNAME on the target and
chown FLAKE_DIR (and the HM-fail hint file) to those ids.
This commit is contained in:
Bernardo Magri
2026-07-10 09:33:05 +01:00
parent 61d9ee1577
commit 3d324982b9
1 changed files with 16 additions and 9 deletions
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25
pkgs/nomarchy-install/nomarchy-install.sh
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@@ -496,13 +496,9 @@ fi
commit -qm "Initial Nomarchy configuration"
)
# The user must own their flake — libgit2 refuses repositories owned by
# someone else, which breaks `home-manager switch` (and theme switching)
# outright. The first normal NixOS user is always 1000:users(100); the
# account doesn't exist in the target yet, so numeric ids it is.
chown -R 1000:100 "$FLAKE_DIR"
# The templates come out of the nix store mode 0444 and cp preserves
# that — without this the user owns home.nix but can't edit it.
# that — without this the user can't edit home.nix after they own it.
# Ownership is applied after nixos-install (real uid/gid; see below).
chmod -R u+w "$FLAKE_DIR"
# /etc/nixos on the installed system points at the user-owned flake.
@@ -554,6 +550,17 @@ fi
nixos-install --no-root-passwd "${NIXOS_INSTALL_OPTS[@]}" --flake "path:$FLAKE_DIR#default"
success "System installed (bootloader in place)"
# The user must own their flake — libgit2 refuses repositories owned by
# someone else, which breaks `home-manager switch` (and theme switching)
# outright. Resolve real uid/gid from the target after nixos-install
# created the account (do not hard-code 1000:100 — first free uid or
# primary group can differ).
USER_UID=$(nixos-enter --root /mnt -- id -u "$USERNAME") \
|| fail "Could not resolve uid for install user '$USERNAME' on target"
USER_GID=$(nixos-enter --root /mnt -- id -g "$USERNAME") \
|| fail "Could not resolve gid for install user '$USERNAME' on target"
chown -R "$USER_UID:$USER_GID" "$FLAKE_DIR"
# Pre-activate the Home Manager generation so the FIRST boot lands in the
# fully themed desktop, not bare Hyprland. Best-effort: a failure here
# only costs the user one `home-manager switch` after logging in.
@@ -629,8 +636,8 @@ else
tail -n 5 /mnt/var/log/nomarchy-hm-preactivate.log 2>/dev/null || true
# The live session (and this warning) ends with this install — drop a
# durable hint on the TARGET so the fix still surfaces on first login.
# Numeric ids: the account doesn't exist in the live environment yet
# (same reasoning as the $FLAKE_DIR chown above).
# Numeric ids from the target account (USER_UID/USER_GID above) — the
# name does not exist in the live ISO's passwd.
hint_file="/mnt/home/$USERNAME/NOMARCHY-DESKTOP-NOT-THEMED.txt"
cat > "$hint_file" <<HINT
Desktop pre-activation failed during install — see
@@ -640,7 +647,7 @@ Desktop pre-activation failed during install — see
(delete this file once done)
HINT
chown 1000:100 "$hint_file"
chown "$USER_UID:$USER_GID" "$hint_file"
fi
rm -f /mnt/root/nomarchy-hm-activate.sh