… SDK

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Update README.md

if we use 'eval exec $opt $cmdp $args' to execute git command,
tcl engine will convert the output of the git comand with the rule
system default code page to unicode.
But cp936 -> unicode conversion implicitly done by exec is not reversible.
So we have to use git_read instead.

Bug report and an original reproducer by Cloud Chou:
msysgit#302

Karsten Blees writes this code patch.
Cloud Chou find the reason of the bug.

Thanks-to: dscho
Thanks-to: patthoyts
Signed-off-by: Karsten Blees <blees@dcon.de>
Original-test-by: Cloud Chou <515312382@qq.com>
Signed-off-by: Cloud Chou <515312382@qq.com>

git gui: handle Git's output encoding correctly

Ensure that when passing a pipe, the gnulib poll replacement will not
return 0 before the timeout has passed.

Not obeying the timeout (and merely returning 0) causes pathological
behavior when preparing a packfile for a repository and taking a
long time to do so.  If poll were to return 0 immediately, this would
cause keep-alives to get sent as quickly as possible until the packfile
was created.  Such deviance from the standard would cause megabytes (or
more) of keep-alive packets to be sent.

GetTickCount is used as it is efficient, stable and monotonically
increasing.  (Neither GetSystemTime nor QueryPerformanceCounter have
all three of these properties.)

poll: honor the timeout on Win32

Please find the home of Git for Windows 2.x here:

	https://git-for-windows.github.io/

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>