add %pre script

rust-zincati.spec

@@ -2,10 +2,11 @@
 %global __cargo_skip_build 0
 %define debug_package %{nil}
 %global crate zincati
+%global zcuid 986
 
 Name:           rust-%{crate}
 Version:        0.0.24
-Release:        1
+Release:        2
 Summary:        Update agent for NestOS
 License:        ASL 2.0
 URL:            https://crates.io/crates/%{crate}
@@ -50,6 +51,15 @@ License:        ASL 2.0 and BSD and MIT and MPLv2.0 and zlib
 %{_datadir}/polkit-1/rules.d/zincati.rules
 %{_datadir}/polkit-1/actions/org.coreos.zincati.*
 
+%pre
+if ! getent group zincati >/dev/null; then
+        groupadd -g %{zcuid} -r zincati
+fi
+if ! getent passwd zincati >/dev/null; then
+        useradd -r -g zincati -d /run/%{crate} zincati \
+            -s /sbin/nologin -c "Zincati user for auto-updates"
+fi
+
 %post        -n %{crate}
 %systemd_post zincati.service
 
@@ -118,6 +128,9 @@ ln -snf /run/%{crate}/public/metrics.promsock %{buildroot}/run/%{crate}/private/
 %endif
 
 %changelog
+* Thu Sep 01 2022 fushanqing <fushanqing@kylinos.cn> - 0.0.24-2
+- add %pre script
+
 * Wed Jun 08 2022 fushanqing <fushanqing@kylinos.cn> - 0.0.24-1
 - update to 0.0.24