nixos/gitea: fix pre start script

The hooks directory contains now one level deep subdirectories which
need to be updated as well.
If you use gitea via ssh, ~/.ssh/authorized_keys also needs to be
updated because of the hardcoded path to gitea in the "command" option.

(cherry picked from commit 28c20a4)

nixos/modules/services/misc/gitea.nix

@@ -250,7 +250,7 @@ in
 
         mkdir -p ${cfg.repositoryRoot}
         # update all hooks' binary paths
-        HOOKS=$(find ${cfg.repositoryRoot} -mindepth 4 -maxdepth 4 -type f -wholename "*git/hooks/*")
+        HOOKS=$(find ${cfg.repositoryRoot} -mindepth 4 -maxdepth 5 -type f -wholename "*git/hooks/*")
         if [ "$HOOKS" ]
         then
           sed -ri 's,/nix/store/[a-z0-9.-]+/bin/gitea,${pkgs.gitea.bin}/bin/gitea,g' $HOOKS
@@ -263,6 +263,11 @@ in
           mkdir -p ${cfg.stateDir}/conf
           cp -r ${pkgs.gitea.out}/locale ${cfg.stateDir}/conf/locale
         fi
+        # update command option in authorized_keys
+        if [ -r ${cfg.stateDir}/.ssh/authorized_keys ]
+        then
+          sed -ri 's,/nix/store/[a-z0-9.-]+/bin/gitea,${gitea.bin}/bin/gitea,g' ${cfg.stateDir}/.ssh/authorized_keys
+        fi
       '' + optionalString (usePostgresql && cfg.database.createDatabase) ''
         if ! test -e "${cfg.stateDir}/db-created"; then
           echo "CREATE ROLE ${cfg.database.user}