Update tooling for quota setting

Thanks to https://blog.jbowen.dev/2020/05/remote-time-machine-for-multiple-macs/

Author: TimJDFletcher

samba-timemachine/TimeMachine.quota.tmpl

@@ -2,7 +2,7 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-  <key>GlobalQuota</key>
+	<key>GlobalQuota</key>
     <integer>REPLACE_TM_SIZE</integer>
-  </dict>
+</dict>
 </plist>

samba-timemachine/entrypoint

@@ -41,7 +41,10 @@ configureQuota()
     echo "Setting quote to ${QUOTA}MB"
     QUOTA=$((QUOTA * 1048576))
     sed "s%REPLACE_TM_SIZE%${QUOTA}%" /etc/TimeMachine.quota.tmpl > "${BACKUPDIR}"/.com.apple.TimeMachine.quota.plist
+    chown root:root "${BACKUPDIR}"/.com.apple.TimeMachine.quota.plist
+    chmod 444 "${BACKUPDIR}"/.com.apple.TimeMachine.quota.plist
 }
+
 backupConfig()
 {
     echo "Marking ${BACKUPDIR} as supported by timemmachine"
@@ -50,7 +53,7 @@ backupConfig()
     echo "Changing ownership of ${BACKUPDIR} to ${PUID}:${PGID}, this may take a few minutes"
     chown -R "${PUID}":"${PGID}" "${BACKUPDIR}"
 
-    echo "Restricting permssions on ${BACKUPDIR}, this may take a few minutes"
+    echo "Restricting permissions on ${BACKUPDIR}, this may take a few minutes"
     chmod -R u+rwX,g=,o= "${BACKUPDIR}"
 }
 
@@ -67,8 +70,8 @@ if [[ -z ${1} ]] || [[ ${1:0:1} == '-' ]] ; then
     checkBackupDir
     setPassword
     createUser
-    configureQuota
     backupConfig
+    configureQuota
     startSMB "$@"
 else
     exec "$@"

samba-timemachine/spec/samba-timemachine/samba-timemachine_spec.rb

@@ -53,9 +53,9 @@ def compose
   describe file('/backups/.com.apple.TimeMachine.quota.plist') do
     it { should exist }
     it { should be_file }
-    it { should be_mode 600 }
-    it { should be_owned_by 'timemachine' }
-    it { should be_grouped_into 'timemachine' }
+    it { should be_mode 444 }
+    it { should be_owned_by 'root' }
+    it { should be_grouped_into 'root' }
     its(:content) { is_expected.to match('524288000000') }
   end