Notable changes introduced by a release
=======================================
- - <a href="note/0.28-from-0.27.md">Changes in 0.28 (unreleased) as compared to 0.27</a>
+ - <a href="note/0.28-from-0.27.1.md">Changes in 0.28 (unreleased) as compared to 0.27.1</a>
+ - <a href="note/0.27.1-from-0.27.md">Changes in 0.27.1 as compared to 0.27</a>
+
Getting started
===============
--- /dev/null
+
+Notable changes in 0.27.1 as compared to 0.27
+=============================================
+
+May require attention
+---------------------
+
+* In previous versions, a `--sparse` restore might have produced
+ incorrect data. Please treat any existing `--sparse` restores as
+ suspect. The problem should be fixed in this release, and the
+ `--sparse` tests have been substantially augmented.
+
+Thanks to (at least)
+====================
+
+Frank Gevaerts (1):
+ restore: test --sparse with zeros at 64k boundary
+
+Greg Troxel
+
+Marcus Schopen
+
+Rob Browning (7):
+ Use $RANDOM seed for --sparse random tests
+ restore: add generative --sparse testing
+ restore: fix --sparse corruption
+ Merge restore --sparse corruption fix
+ Add note/0.27.1-from-0.27.md and mention in README
+ restore: fix --sparse fix (find_non_sparse_end)
+ test_server_split_with_indexes: close packwriter
+
+Robert S. Edmonds
--- /dev/null
+
+Notable changes in 0.28 as compared to 0.27.1
+=============================================
+
+May require attention
+---------------------
+
+* The default install PREFIX is now "/usr/local".
+
+* BINDIR, DOCDIR, LIBDIR, and MANDIR settings no longer side-step
+ DESTDIR. i.e. `make DESTDIR=/x MANDIR=/y` install will install the
+ manpages to "/x/y" not just "/y".
+
+* The index format has changed, which will trigger a full index
+ rebuild on the next index run, making that run more expensive than
+ usual.
+
+* When given `--xdev`, `bup save` should no longer skip directories
+ that are explicitly listed on the command line when the directory is
+ both on a separate filesystem, and a subtree of another path listed
+ on the command line. Previously `bup save --xdev / /usr` could skip
+ "/usr" if it was on a separate filesystem from "/".
+
+* Tags along a branch are no longer shown in the branch's directory in
+ the virtual filesystem (VFS). i.e. given `bup tag special
+ /foo/latest`, "/foo/special" will no longer be visible via `bup ls`,
+ `bup web`, `bup fuse`, etc., but the tag will still be available as
+ "/.tag/special".
+
+General
+-------
+
+* bup now provides experimental `rm` and `gc` subcommands, which
+ should allow branches and saves to be deleted, and their storage
+ space reclaimed (assuming nothing else refers to the relevant data).
+ For the moment, these commands require an `--unsafe` argument and
+ should be treated accordingly. Although if an attempt to `join` or
+ `restore` the data you still care about after a `gc` succeeds,
+ that's a fairly encouraging sign that the commands worked correctly.
+ (The `t/compare-trees` command in the source tree can be used to
+ help test before/after results.)
+
+ Note that the current `gc` command is probabilistic, which means it
+ may not remove *all* of the obsolete data from the repository, but
+ also means that the command should be fairly efficient, even for
+ large repositories.
+
+* bup may have less impact on the filesystem cache. It now attempts
+ to leave the cache roughly the way it found it when running a `save`
+ or `split`.
+
+* A specific Python can be specified at `./configure` time via PYTHON,
+ i.e. `PYTHON=/some/python ./configure`, and that Python will be
+ embedded in all of the relevant scripts as an explicit "#!/..." line
+ during `make install`.
+
+* `bup web` will now attempt an orderly shutdown when it receives a
+ SIGTERM.
+
+* `bup web` will listen on a filesystem socket when given an address
+ like "unix://...".
+
+* bup no longer limits the number of files in a directory to 100000.
+ The limit is now UINT_MAX.
+
+* `bup fuse` now has a `--verbose` argument, and responds to
+ `--debug`.
+
+Bugs
+----
+
+* bup save should not fail when asked to save a subdirectory of a
+ directory that was completely up to date in the index. Previously
+ this could cause a "shalists" assertion failure.
+
+* The way bup writes the data to disk (the packfiles in particular),
+ should be a bit safer now if there is a coincident power failure or
+ system crash.
+
+* A problem has been fixed that could cause bup to ignore the current
+ TZ setting when computing the local time.
+
+* bup should no longer generate broken commits when the timezone
+ offset is not an integer number of hours
+ (e.g. TZ=Australia/Adelaide).
+
+* `bup midx --output` should now work when used with `--auto` or
+ `--force`.
+
+* `bup import-rsnapshot` should exit with a status of 1, not -1.
+
+* bup should be more likely to get the data to permanent storage
+ safely on OS X, which appears to follow a surprising interpretation
+ of the `fsync()` specification.
+
+* `bup web` should handle non-ASCII paths better. It will no longer
+ treat them as (and try to convert them to) Unicode (which they're
+ not).
+
+Build system
+------------
+
+* The tests can now be run in parallel (and possibly much more
+ quickly) via `make -j check`.
+
+* The build system now creates and uses cmd/bup-python which refers to
+ the `./configure` selected python.
+++ /dev/null
-
-Notable changes in 0.28 as compared to 0.27
-===========================================
-
-May require attention
----------------------
-
-* The default install PREFIX is now "/usr/local".
-
-* BINDIR, DOCDIR, LIBDIR, and MANDIR settings no longer side-step
- DESTDIR. i.e. `make DESTDIR=/x MANDIR=/y` install will install the
- manpages to "/x/y" not just "/y".
-
-* The index format has changed, which will trigger a full index
- rebuild on the next index run, making that run more expensive than
- usual.
-
-* When given `--xdev`, `bup save` should no longer skip directories
- that are explicitly listed on the command line when the directory is
- both on a separate filesystem, and a subtree of another path listed
- on the command line. Previously `bup save --xdev / /usr` could skip
- "/usr" if it was on a separate filesystem from "/".
-
-* Tags along a branch are no longer shown in the branch's directory in
- the virtual filesystem (VFS). i.e. given `bup tag special
- /foo/latest`, "/foo/special" will no longer be visible via `bup ls`,
- `bup web`, `bup fuse`, etc., but the tag will still be available as
- "/.tag/special".
-
-General
--------
-
-* bup now provides experimental `rm` and `gc` subcommands, which
- should allow branches and saves to be deleted, and their storage
- space reclaimed (assuming nothing else refers to the relevant data).
- For the moment, these commands require an `--unsafe` argument and
- should be treated accordingly. Although if an attempt to `join` or
- `restore` the data you still care about after a `gc` succeeds,
- that's a fairly encouraging sign that the commands worked correctly.
- (The `t/compare-trees` command in the source tree can be used to
- help test before/after results.)
-
- Note that the current `gc` command is probabilistic, which means it
- may not remove *all* of the obsolete data from the repository, but
- also means that the command should be fairly efficient, even for
- large repositories.
-
-* bup may have less impact on the filesystem cache. It now attempts
- to leave the cache roughly the way it found it when running a `save`
- or `split`.
-
-* A specific Python can be specified at `./configure` time via PYTHON,
- i.e. `PYTHON=/some/python ./configure`, and that Python will be
- embedded in all of the relevant scripts as an explicit "#!/..." line
- during `make install`.
-
-* `bup web` will now attempt an orderly shutdown when it receives a
- SIGTERM.
-
-* `bup web` will listen on a filesystem socket when given an address
- like "unix://...".
-
-* bup no longer limits the number of files in a directory to 100000.
- The limit is now UINT_MAX.
-
-* `bup fuse` now has a `--verbose` argument, and responds to
- `--debug`.
-
-Bugs
-----
-
-* bup save should not fail when asked to save a subdirectory of a
- directory that was completely up to date in the index. Previously
- this could cause a "shalists" assertion failure.
-
-* The way bup writes the data to disk (the packfiles in particular),
- should be a bit safer now if there is a coincident power failure or
- system crash.
-
-* A problem has been fixed that could cause bup to ignore the current
- TZ setting when computing the local time.
-
-* bup should no longer generate broken commits when the timezone
- offset is not an integer number of hours
- (e.g. TZ=Australia/Adelaide).
-
-* `bup midx --output` should now work when used with `--auto` or
- `--force`.
-
-* `bup import-rsnapshot` should exit with a status of 1, not -1.
-
-* bup should be more likely to get the data to permanent storage
- safely on OS X, which appears to follow a surprising interpretation
- of the `fsync()` specification.
-
-* `bup web` should handle non-ASCII paths better. It will no longer
- treat them as (and try to convert them to) Unicode (which they're
- not).
-
-Build system
-------------
-
-* The tests can now be run in parallel (and possibly much more
- quickly) via `make -j check`.
-
-* The build system now creates and uses cmd/bup-python which refers to
- the `./configure` selected python.
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