tests/test-upgrade-repo.t

--- a/tests/test-upgrade-repo.t	Fri Jul 13 03:05:30 2018 +0200
+++ b/tests/test-upgrade-repo.t	Fri Dec 21 13:17:58 2018 +0100
@@ -453,6 +453,8 @@
 
 old store should be backed up
 
+  $ ls -d .hg/upgradebackup.*/
+  .hg/upgradebackup.*/ (glob)
   $ ls .hg/upgradebackup.*/store
   00changelog.i
   00manifest.i
@@ -464,8 +466,47 @@
   undo.backupfiles
   undo.phaseroots
 
+unless --no-backup is passed
+
+  $ rm -rf .hg/upgradebackup.*/
+  $ hg debugupgraderepo --run --no-backup
+  upgrade will perform the following actions:
+  
+  requirements
+     preserved: dotencode, fncache, generaldelta, revlogv1, store
+     added: sparserevlog
+  
+  sparserevlog
+     Revlog supports delta chain with more unused data between payload. These gaps will be skipped at read time. This allows for better delta chains, making a better compression and faster exchange with server.
+  
+  beginning upgrade...
+  repository locked and read-only
+  creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
+  (it is safe to interrupt this process any time before data migration completes)
+  migrating 9 total revisions (3 in filelogs, 3 in manifests, 3 in changelog)
+  migrating 917 bytes in store; 401 bytes tracked data
+  migrating 3 filelogs containing 3 revisions (192 bytes in store; 0 bytes tracked data)
+  finished migrating 3 filelog revisions across 3 filelogs; change in size: 0 bytes
+  migrating 1 manifests containing 3 revisions (349 bytes in store; 220 bytes tracked data)
+  finished migrating 3 manifest revisions across 1 manifests; change in size: 0 bytes
+  migrating changelog containing 3 revisions (376 bytes in store; 181 bytes tracked data)
+  finished migrating 3 changelog revisions; change in size: 0 bytes
+  finished migrating 9 total revisions; total change in store size: 0 bytes
+  copying phaseroots
+  data fully migrated to temporary repository
+  marking source repository as being upgraded; clients will be unable to read from repository
+  starting in-place swap of repository data
+  replaced files will be backed up at $TESTTMP/upgradegd/.hg/upgradebackup.* (glob)
+  replacing store...
+  store replacement complete; repository was inconsistent for 0.0s
+  finalizing requirements file and making repository readable again
+  removing old repository content$TESTTMP/upgradegd/.hg/upgradebackup.* (glob)
+  removing temporary repository $TESTTMP/upgradegd/.hg/upgrade.* (glob)
+  $ ls -1 .hg/ | grep upgradebackup
+  [1]
   $ cd ..
 
+
 store files with special filenames aren't encoded during copy
 
   $ hg init store-filenames