diff options
Diffstat (limited to '.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments')
4 files changed, 0 insertions, 65 deletions
diff --git a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/d304f93b-faf2-477e-9ff8-c77e301fd9f9/body b/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/d304f93b-faf2-477e-9ff8-c77e301fd9f9/body deleted file mode 100644 index 34d37e5..0000000 --- a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/d304f93b-faf2-477e-9ff8-c77e301fd9f9/body +++ /dev/null @@ -1,30 +0,0 @@ -Added libbe/upgrade.py to handle upgrading on-disk bugdirs. - -When upgrade.BUGDIR_DISK_VERSION changes, a series of Updater -classes handle the upgrade. For example, if - BUGDIR_DISK_VERSIONS = ["v1", "v2", "v3"] -and the on-disk version is "v1", you should have defined classes - class Upgrade_1_to_2 (Upgrader): - initial_version = "v1" - final_version = "v2" - def _upgrade(): - .... - class Upgrade_2_to_3 (Upgrader): - initial_version = "v2" - final_version = "v3" - def _upgrade(): - .... -and added them to upgraders: - upgraders = [Upgrade_1_to_2, Upgrade_2_to_3] -If the on-disk version is v2, then only Upgrade_2_to_3.upgrade() is -run. If the on-disk version is v1, then Upgrade_1_to_2.upgrade() is -run, followed by Upgrade_2_to_3.upgrade(). - -You can optionally define shortcut upgrades (e.g. Upgrade_1_to_3) for -efficiency or to avoid data loss. - -This upgrade occurs during BugDir.load(), which is called by -BugDir.__init__(from_disk=True), before any processing of the on-disk -data except for the access of .be/version to determine if an upgrade -was necessary. - diff --git a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/d304f93b-faf2-477e-9ff8-c77e301fd9f9/values b/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/d304f93b-faf2-477e-9ff8-c77e301fd9f9/values deleted file mode 100644 index b296bff..0000000 --- a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/d304f93b-faf2-477e-9ff8-c77e301fd9f9/values +++ /dev/null @@ -1,11 +0,0 @@ -Author: W. Trevor King <wking@drexel.edu> - - -Content-type: text/plain - - -Date: Mon, 31 Aug 2009 16:29:50 +0000 - - -In-reply-to: f1479ecf-4154-4cd4-bbd6-0ed6275b9f98 - diff --git a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/body b/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/body deleted file mode 100644 index 372a655..0000000 --- a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/body +++ /dev/null @@ -1,16 +0,0 @@ -There is no obvious means of using -".be/version"/"libbe.bugdir.TREE_VERSION_STRING". In the past I've -worked around this by keeping all the disk-reading backwards -compatible (e.g. homemade mapfile -> YAML, the "From" hack in -libbe.comment.Comment.load_settings, possibly others). However, this -is not the road to easily maintainable code. - -Most projects only need to maintain backwards compatibility with the -last few versions of their disk cache, to allow users an easy upgrade -path. The difficulties come with "be diff", which must be able to -read _every_ disk-image of the bugdir ever committed into something -comparible with the current cutting edge. This makes sweeping changes -very difficult. VCSs themselves avoid this by never showing their -disk-cache to another program, but we've shown ours to the VCS, and -it's difficult (or impossible, depending on the VCS) to change history -to match the current format. diff --git a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/values b/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/values deleted file mode 100644 index 3d4d9df..0000000 --- a/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/values +++ /dev/null @@ -1,8 +0,0 @@ -Author: W. Trevor King <wking@drexel.edu> - - -Content-type: text/plain - - -Date: Sun, 16 Aug 2009 19:07:06 +0000 - |