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Second batch for 2.1

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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano 2014-06-06 11:42:05 -07:00
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Documentation/RelNotes/2.1.0.txt
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@ -1,18 +1,61 @@
Git v2.1 Release Notes
======================
Backward compatibility notes
----------------------------
* The default value we give to the environment variable LESS has been
changed from "FRSX" to "FRX", losing "S" (chop long lines instead
of wrapping). Existing users who prefer not to see line-wrapped
output may want to set
$ git config core.pager "less -S"
to restore the traditional behaviour. It is expected that people
find output from the most subcommands easier to read with the new
default, except for "blame" which tends to produce really long
lines. To override the new default only for "git blame", you can
do this:
$ git config pager.blame "less -S"
* A few disused directories in contrib/ have been retired.
Updates since v2.0
------------------
UI, Workflows & Features
* Since the very beginning of Git, we gave the LESS environment a
default value "FRSX" when we spawn "less" as the pager. "S" (chop
long lines instead of wrapping) has been removed from this default
set of options, because it is more or less a personal taste thing,
as opposed to others that have good justifications (i.e. "R" is
very much justified because many kinds of output we produce are
colored and "FX" is justified because output we produce is often
shorter than a page).
* The logic and data used to compute the display width needed for
UTF-8 strings have been updated to match Unicode 6.3 better.
* "git commit --date=<date>" option learned to read from more
timestamp formats, including "--date=now".
* The `core.commentChar` configuration variable is used to specify a
custom comment character other than the default "#" to be used in
the commit log editor. This can be set to `auto` to attempt to
choose a different character that does not conflict with what
already starts a line in the message being edited for cases like
"git commit --amend".
* "git grep" learned grep.fullname configuration variable to force
"--full-name" to be default. This may cause regressions on
scripted users that do not expect this new behaviour.
* "git imap-send" learned to ask the credential helper for auth
material.
* "git merge" without argument, even when there is an upstream
defined for the current branch, refused to run until
merge.defaultToUpstream is set to true. Flip the default of that
@ -37,9 +80,21 @@ UI, Workflows & Features
digit in the hour part, e.g. 2014-01-07T5:01:02.048176Z, emitted
by some broken subversion server implementations.
* "git tag" when editing the tag message shows the name of the tag
being edited as a comment in the editor.
Performance, Internal Implementation, etc.
* Build procedure for 'subtree' (in contrib/) has been cleaned up.
* The `core.deltabasecachelimit` used to default to 16 MiB , but this
proved to be too small, and has been bumped to 96 MiB.
* "git blame" has been optimized greatly by reorganising the data
structure that is used to keep track of the work to be done, thanks
to David Karstrup <dak@gnu.org>.
* "git diff" that compares 3-or-more trees (e.g. parents and the
result of a merge) have been optimized.
@ -59,6 +114,11 @@ Unless otherwise noted, all the fixes since v2.0 in the maintenance
track are contained in this release (see the maintenance releases'
notes for details).
* We used to unconditionally disable the pager in the pager process
we spawn to feed out output, but that prevented people who want to
run "less" within "less" from doing so.
(merge c0459ca je/pager-do-not-recurse later to maint).
* "--ignore-space-change" option of "git apply" ignored the spaces
at the beginning of line too aggressively, which is inconsistent
with the option of the same name "diff" and "git diff" have.
@ -69,15 +129,42 @@ notes for details).
lines in its output.
(merge dd75553 jx/blame-align-relative-time later to maint).
* "git blame" assigned the blame to the copy in the working-tree if
the repository is set to core.autocrlf=input and the file used CRLF
line endings.
(merge 4d4813a bc/blame-crlf-test later to maint).
* "git commit --allow-empty-messag -C $commit" did not work when the
commit did not have any log message.
(merge 076cbd6 jk/commit-C-pick-empty later to maint).
* "git grep -O" to show the lines that hit in the pager did not work
well with case insensitive search. We now spawn "less" with its
"-I" option when it is used as the pager (which is the default).
(merge f7febbe sk/spawn-less-case-insensitively-from-grep-O-i later to maint).
* We used to disable threaded "git index-pack" on platforms without
thread-safe pread(); use a different workaround for such
platforms to allow threaded "git index-pack".
(merge 3953949 nd/index-pack-one-fd-per-thread later to maint).
* The error reporting from "git index-pack" has been improved to
distinguish missing objects from type errors.
(merge 77583e7 jk/index-pack-report-missing later to maint).
* On a case insensitive filesystem, merge-recursive incorrectly
deleted the file that is to be renamed to a name that is the same
except for case differences.
(merge baa37bf dt/merge-recursive-case-insensitive later to maint).
* "git rerere forget" did not work well when merge.conflictstyle
was set to a non-default value.
(merge de3d8bb fc/rerere-conflict-style later to maint).
* "git show -s" (i.e. show log message only) used to incorrectly emit
an extra blank line after a merge commit.
(merge ad2f725 mk/show-s-no-extra-blank-line-for-merges later to maint).
* "git status", even though it is a read-only operation, tries to
update the index with refreshed lstat(2) info to optimize future
accesses to the working tree opportunistically, but this could