Declare that the next one will be named 2.20

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 167 deletions

diff --git a/RelNotes b/RelNotes
index 007bc06..8d0b165 100644..120000
--- a/RelNotes
+++ b/RelNotes
@@ -1,167 +1 @@
-Git Release Notes
-=================
-
-Backward Compatibility Notes
-----------------------------
-
- * "git branch -l <foo>" used to be a way to ask a reflog to be
-   created while creating a new branch, but that is no longer the
-   case.  It is a short-hand for "git branch --list <foo>" now.
-
- * "git push" into refs/tags/* hierarchy is rejected without getting
-   forced, but "git fetch" (misguidedly) used the "fast forwarding"
-   rule used for the refs/heads/* hierarchy; this has been corrected,
-   which means some fetches of tags that did not fail with older
-   version of Git will fail without "--force" with this version.
-
-
-Updates since v2.19
--------------------
-
-UI, Workflows & Features
-
- * Running "git clone" against a project that contain two files with
-   pathnames that differ only in cases on a case insensitive
-   filesystem would result in one of the files lost because the
-   underlying filesystem is incapable of holding both at the same
-   time.  An attempt is made to detect such a case and warn.
-
- * "git checkout -b newbranch [HEAD]" should not have to do as much as
-   checking out a commit different from HEAD.  An attempt is made to
-   optimize this special case.
-
- * "git rev-list --stdin </dev/null" used to be an error; it now shows
-   no output without an error.  "git rev-list --stdin --default HEAD"
-   still falls back to the given default when nothing is given on the
-   standard input.
-
- * Lift code from GitHub to restrict delta computation so that an
-   object that exists in one fork is not made into a delta against
-   another object that does not appear in the same forked repository.
-
- * "git format-patch" learned new "--interdiff" and "--range-diff"
-   options to explain the difference between this version and the
-   previous attempt in the cover letter (or after the tree-dashes as
-   a comment).
-
- * "git mailinfo" used in "git am" learned to make a best-effort
-   recovery of a patch corrupted by MUA that sends text/plain with
-   format=flawed option.
-   (merge 3aa4d81f88 rs/mailinfo-format-flowed later to maint).
-
- * The rules used by "git push" and "git fetch" to determine if a ref
-   can or cannot be updated were inconsistent; specifically, fetching
-   to update existing tags were allowed even though tags are supposed
-   to be unmoving anchoring points.  "git fetch" was taught to forbid
-   updates to existing tags without the "--force" option.
-
-
-Performance, Internal Implementation, Development Support etc.
-
- * When there are too many packfiles in a repository (which is not
-   recommended), looking up an object in these would require
-   consulting many pack .idx files; a new mechanism to have a single
-   file that consolidates all of these .idx files is introduced.
-
- * "git submodule update" is getting rewritten piece-by-piece into C.
-
- * The code for computing history reachability has been shuffled,
-   obtained a bunch of new tests to cover them, and then being
-   improved.
-
- * The unpack_trees() API used in checking out a branch and merging
-   walks one or more trees along with the index.  When the cache-tree
-   in the index tells us that we are walking a tree whose flattened
-   contents is known (i.e. matches a span in the index), as linearly
-   scanning a span in the index is much more efficient than having to
-   open tree objects recursively and listing their entries, the walk
-   can be optimized, which has been done.
-
- * When creating a thin pack, which allows objects to be made into a
-   delta against another object that is not in the resulting pack but
-   is known to be present on the receiving end, the code learned to
-   take advantage of the reachability bitmap; this allows the server
-   to send a delta against a base beyond the "boundary" commit.
-
- * spatch transformation to replace boolean uses of !hashcmp() to
-   newly introduced oideq() is added, and applied, to regain
-   performance lost due to support of multiple hash algorithms.
-
- * Fix a bug in which the same path could be registered under multiple
-   worktree entries if the path was missing (for instance, was removed
-   manually).  Also, as a convenience, expand the number of cases in
-   which --force is applicable.
-
-
-Fixes since v2.19
------------------
-
- * "git interpret-trailers" and its underlying machinery had a buggy
-   code that attempted to ignore patch text after commit log message,
-   which triggered in various codepaths that will always get the log
-   message alone and never get such an input.
-   (merge 66e83d9b41 jk/trailer-fixes later to maint).
-
- * Malformed or crafted data in packstream can make our code attempt
-   to read or write past the allocated buffer and abort, instead of
-   reporting an error, which has been fixed.
-
- * "git rebase -i" did not clear the state files correctly when a run
-   of "squash/fixup" is aborted and then the user manually amended the
-   commit instead, which has been corrected.
-   (merge 10d2f35436 js/rebase-i-autosquash-fix later to maint).
-
- * When fsmonitor is in use, after operation on submodules updates
-   .gitmodules, we lost track of the fact that we did so and relied on
-   stale fsmonitor data.
-   (merge 43f1180814 bp/mv-submodules-with-fsmonitor later to maint).
-
- * Fix for a long-standing bug that leaves the index file corrupt when
-   it shrinks during a partial commit.
-   (merge 6c003d6ffb jk/reopen-tempfile-truncate later to maint).
-
- * Further fix for O_APPEND emulation on Windows
-   (merge eeaf7ddac7 js/mingw-o-append later to maint).
-
- * A corner case bugfix in "git rerere" code.
-   (merge ad2bf0d9b4 en/rerere-multi-stage-1-fix later to maint).
-
- * "git add ':(attr:foo)'" is not supported and is supposed to be
-   rejected while the command line arguments are parsed, but we fail
-   to reject such a command line upfront.
-   (merge 84d938b732 nd/attr-pathspec-fix later to maint).
-
- * Recent update broke the reachability algorithm when refs (e.g.
-   tags) that point at objects that are not commit were involved,
-   which has been fixed.
-
- * "git rebase" etc. in Git 2.19 fails to abort when given an empty
-   commit log message as result of editing, which has been corrected.
-   (merge a3ec9eaf38 en/sequencer-empty-edit-result-aborts later to maint).
-
- * The code to backfill objects in lazily cloned repository did not
-   work correctly, which has been corrected.
-   (merge e68302011c jt/lazy-object-fetch-fix later to maint).
-
- * Update error messages given by "git remote" and make them consistent.
-   (merge 5025425dff ms/remote-error-message-update later to maint).
-
- * "git update-ref" learned to make both "--no-deref" and "--stdin"
-   work at the same time.
-   (merge d345e9fbe7 en/update-ref-no-deref-stdin later to maint).
-
- * Recently added "range-diff" had a corner-case bug to cause it
-   segfault, which has been corrected.
-   (merge e467a90c7a tg/range-diff-corner-case-fix later to maint).
-
- * Code cleanup, docfix, build fix, etc.
-   (merge 96a7501aad ts/doc-build-manpage-xsl-quietly later to maint).
-   (merge b9b07efdb2 tg/conflict-marker-size later to maint).
-   (merge fa0aeea770 sg/doc-trace-appends later to maint).
-   (merge d64324cb60 tb/void-check-attr later to maint).
-   (merge c3b9bc94b9 en/double-semicolon-fix later to maint).
-   (merge 79336116f5 sg/t3701-tighten-trace later to maint).
-   (merge 801fa63a90 jk/dev-build-format-security later to maint).
-   (merge 0597dd62ba sb/string-list-remove-unused later to maint).
-   (merge db2d36fad8 bw/protocol-v2 later to maint).
-   (merge 456d7cd3a9 sg/split-index-test later to maint).
+Documentation/RelNotes/2.20.0.txt
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