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run-command: Allow stderr to be a caller supplied pipe

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Like .out, .err may now be set to a file descriptor > 0, which
is a writable pipe/socket/file that the child's stderr will be
redirected into.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Shawn O. Pearce
2010-02-05 12:57:37 -08:00
committed by Junio C Hamano
parent 2b26e0e189
commit 4f41b61148
3 changed files with 10 additions and 2 deletions
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2
Documentation/technical/api-run-command.txt
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@ -135,7 +135,7 @@ stderr as follows:
.in: The FD must be readable; it becomes child's stdin.
.out: The FD must be writable; it becomes child's stdout.
.err > 0 is not supported.
.err: The FD must be writable; it becomes child's stderr.
The specified FD is closed by start_command(), even if it fails to
run the sub-process!