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-rw-r--r--Documentation/RelNotes/2.1.1.txt44
-rw-r--r--Documentation/RelNotes/2.2.0.txt171
2 files changed, 215 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.1.1.txt b/Documentation/RelNotes/2.1.1.txt
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+Git v2.1.1 Release Notes
+========================
+
+ * Git 2.0 had a regression where "git fetch" into a shallowly
+ cloned repository from a repository with bitmap object index
+ enabled did not work correctly. This has been corrected.
+
+ * Git 2.0 had a regression which broke (rarely used) "git diff-tree
+ -t". This has been corrected.
+
+ * "git log --pretty/format=" with an empty format string did not
+ mean the more obvious "No output whatsoever" but "Use default
+ format", which was counterintuitive. Now it means "nothing shown
+ for the log message part".
+
+ * "git -c section.var command" and "git -c section.var= command"
+ should pass the configuration differently (the former should be a
+ boolean true, the latter should be an empty string), but they
+ didn't work that way. Now it does.
+
+ * Applying a patch not generated by Git in a subdirectory used to
+ check the whitespace breakage using the attributes for incorrect
+ paths. Also whitespace checks were performed even for paths
+ excluded via "git apply --exclude=<path>" mechanism.
+
+ * "git bundle create" with date-range specification were meant to
+ exclude tags outside the range, but it did not work correctly.
+
+ * "git add x" where x that used to be a directory has become a
+ symbolic link to a directory misbehaved.
+
+ * The prompt script checked $GIT_DIR/ref/stash file to see if there
+ is a stash, which was a no-no.
+
+ * "git checkout -m" did not switch to another branch while carrying
+ the local changes forward when a path was deleted from the index.
+
+ * With sufficiently long refnames, fast-import could have overflown
+ an on-stack buffer.
+
+ * After "pack-refs --prune" packed refs at the top-level, it failed
+ to prune them.
+
+ * "git gc --auto" triggered from "git fetch --quiet" was not quiet.
diff --git a/Documentation/RelNotes/2.2.0.txt b/Documentation/RelNotes/2.2.0.txt
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+Git v2.2 Release Notes
+======================
+
+Updates since v2.1
+------------------
+
+Ports
+
+ * Building on older MacOS X systems automatically sets
+ the necessary NO_APPLE_COMMON_CRYPTO build-time option.
+
+
+UI, Workflows & Features
+
+ * "git config --edit --global" starts from a skeletal per-user
+ configuration file contents, instead of a total blank, when the
+ user does not already have any. This immediately reduces the
+ need for a later "Have you forgotten setting core.user?" and we
+ can add more to the template as we gain more experience.
+
+ * "git stash list -p" used to be almost always a no-op because each
+ stash entry is represented as a merge commit. It learned to show
+ the difference between the base commit version and the working tree
+ version, which is in line with what "git show" gives.
+
+ * Sometimes users want to report a bug they experience on their
+ repository, but they are not at liberty to share the contents of
+ the repository. "fast-export" was taught an "--anonymize" option
+ to replace blob contents, names of people and paths and log
+ messages with bland and simple strings to help them.
+
+ * "log --date=iso" uses a slight variant of ISO 8601 format that is
+ made more human readable. A new "--date=iso-strict" option gives
+ datetime output that is more strictly conformant.
+
+ * A broken reimplementation of Git could write an invalid index that
+ records both stage #0 and higher stage entries for the same path.
+ We now notice and reject such an index, as there is no sensible
+ fallback (we do not know if the broken tool wanted to resolve and
+ forgot to remove higher stage entries, or if it wanted to unresolve
+ and forgot to remove the stage#0 entry).
+
+
+Performance, Internal Implementation, etc.
+
+ * The API to manipulate the "refs" is currently undergoing a revamp
+ to make it more transactional, with the eventual goal to allow
+ all-or-none atomic updates and migrating the storage to something
+ other than the traditional filesystem based one (e.g. databases).
+
+ * We no longer attempt to keep track of individual dependencies to
+ the header files in the build procedure, relying on automated
+ dependency generation support from modern compilers.
+
+ * In tests, we have been using NOT_{MINGW,CYGWIN} test prerequisites
+ long before negated prerequisites e.g. !MINGW were invented.
+ The former has been converted to the latter to avoid confusion.
+
+ * Looking up remotes configuration in a repository with very many
+ remotes defined has been optimized.
+
+ * There are cases where you lock and open to write a file, close it
+ to show the updated contents to external processes, and then have
+ to update the file again while still holding the lock, but the
+ lockfile API lacked support for such an access pattern.
+
+ * The API to allocate the structure to keep track of commit
+ decoration has been updated to make it less cumbersome to use.
+
+ * An in-core caching layer to let us avoid reading the same
+ configuration files number of times has been added. A few commands
+ have been converted to use this subsystem.
+
+ * Various code paths have been cleaned up and simplified by using
+ "strbuf", "starts_with()", and "skip_prefix()" APIs more.
+
+ * A few codepaths that died when large blobs that would not fit in
+ core are involved in their operation have been taught to punt
+ instead, by e.g. marking too large a blob as not to be diffed.
+
+ * A few more code paths in "commit" and "checkout" have been taught
+ to repopulate the cache-tree in the index, to help speed up later
+ "write-tree" (used in "commit") and "diff-index --cached" (used in
+ "status").
+
+ * A common programming mistake to assign the same short option name
+ to two separate options is detected by parse_options() API to help
+ developers.
+
+
+Also contains various documentation updates and code clean-ups.
+
+
+Fixes since v2.1
+----------------
+
+Unless otherwise noted, all the fixes since v2.1 in the maintenance
+track are contained in this release (see the maintenance releases'
+notes for details).
+
+ * "git log --pretty/format=" with an empty format string did not
+ mean the more obvious "No output whatsoever" but "Use default
+ format", which was counterintuitive.
+
+ * Implementations of "tar" that do not understand an extended pax
+ header would extract the contents of it in a regular file; make
+ sure the permission bits of this file follows the same tar.umask
+ configuration setting.
+
+ * "git -c section.var command" and "git -c section.var= command"
+ should pass the configuration differently (the former should be a
+ boolean true, the latter should be an empty string).
+
+ * Applying a patch not generated by Git in a subdirectory used to
+ check the whitespace breakage using the attributes for incorrect
+ paths. Also whitespace checks were performed even for paths
+ excluded via "git apply --exclude=<path>" mechanism.
+
+ * "git bundle create" with date-range specification were meant to
+ exclude tags outside the range, but it didn't.
+
+ * "git add x" where x that used to be a directory has become a
+ symbolic link to a directory misbehaved.
+
+ * The prompt script checked $GIT_DIR/ref/stash file to see if there
+ is a stash, which was a no-no.
+
+ * Pack-protocol documentation had a minor typo.
+
+ * "git checkout -m" did not switch to another branch while carrying
+ the local changes forward when a path was deleted from the index.
+
+ * With sufficiently long refnames, "git fast-import" could have
+ overflown an on-stack buffer.
+
+ * After "pack-refs --prune" packed refs at the top-level, it failed
+ to prune them.
+
+ * Progress output from "git gc --auto" was visible in "git fetch -q".
+
+ * We used to pass -1000 to poll(2), expecting it to also mean "no
+ timeout", which should be spelled as -1.
+
+ * "git rebase" documentation was unclear that it is required to
+ specify on what <upstream> the rebase is to be done when telling it
+ to first check out <branch>.
+ (merge 95c6826 so/rebase-doc later to maint).
+
+ * "git push" over HTTP transport had an artificial limit on number of
+ refs that can be pushed imposed by the command line length.
+ (merge 26be19b jk/send-pack-many-refspecs later to maint).
+
+ * When receiving an invalid pack stream that records the same object
+ twice, multiple threads got confused due to a race.
+ (merge ab791dd jk/index-pack-threading-races later to maint).
+
+ * An attempt to remove the entire tree in the "git fast-import" input
+ stream caused it to misbehave.
+ (merge 2668d69 mb/fast-import-delete-root later to maint).
+
+ * Reachability check (used in "git prune" and friends) did not add a
+ detached HEAD as a starting point to traverse objects still in use.
+ (merge c40fdd0 mk/reachable-protect-detached-head later to maint).
+
+ * "git config --add section.var val" used to lose existing
+ section.var whose value was an empty string.
+ (merge c1063be ta/config-add-to-empty-or-true-fix later to maint).
+
+ * "git fsck" failed to report that it found corrupt objects via its
+ exit status in some cases.
+ (merge 30d1038 jk/fsck-exit-code-fix later to maint).