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| author |  Joey Hess <joey@kitenet.net> | 2013-11-24 15:03:50 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2013-11-24 15:03:50 -0400 |
| commit | 1f82c755b61f92156d7c159d22926cdca9b63ee1 (patch) | |
| tree | 5fee63b5e557387912563448eed9164898a90934 | |
| parent | a88d20e8ea401b86c8a3394c12ad18b1406d1a75 (diff) | |
create directory for upgraded versio early as a locking mechanism
| -rw-r--r-- | doc/design/assistant/upgrading.mdwn | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/design/assistant/upgrading.mdwn b/doc/design/assistant/upgrading.mdwn index b1be31457..b1d658c8b 100644 --- a/doc/design/assistant/upgrading.mdwn +++ b/doc/design/assistant/upgrading.mdwn @@ -46,4 +46,7 @@ should notice the upgrade and restart. I don't want every daemon trying to download the file at once.. -TODO Add locking to prevent that. +Approach: The first new version is installed into a stable directory, based +on its version. So, start the upgrade by making this directory. If upgrade +is already in progress, the directory will already exist. (Remove directory +if upgrade fails.) |