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authorW. Trevor King <wking@drexel.edu>2009-08-16 15:09:21 -0400
committerW. Trevor King <wking@drexel.edu>2009-08-16 15:09:21 -0400
commitf5b6341b4f7bde79ded7ef4fe77a63fd2482fd78 (patch)
tree7753f16d3db33a3688084f02b2c8950e6dcefdf9 /.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98
parent7e3f2172564953b6eb2cbfc13eb07d7031cc7331 (diff)
downloadbugseverywhere-f5b6341b4f7bde79ded7ef4fe77a63fd2482fd78.tar.gz
Added on-disk representation upgrade bug
Diffstat (limited to '.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98')
-rw-r--r--.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/body16
-rw-r--r--.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/values8
2 files changed, 24 insertions, 0 deletions
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
new file mode 100644
index 0000000..372a655
--- /dev/null
+++ b/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/body
@@ -0,0 +1,16 @@
+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
new file mode 100644
index 0000000..3d4d9df
--- /dev/null
+++ b/.be/bugs/51930348-9ccc-4165-af41-6c7450de050e/comments/f1479ecf-4154-4cd4-bbd6-0ed6275b9f98/values
@@ -0,0 +1,8 @@
+Author: W. Trevor King <wking@drexel.edu>
+
+
+Content-type: text/plain
+
+
+Date: Sun, 16 Aug 2009 19:07:06 +0000
+