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a22e6f8547
Receive-pack invokes either unpack-objects or index-pack to handle the incoming pack. However, we do not redirect the stderr of the sub-processes at all, so it is never seen by the client. From the initial thread adding sideband support, which is here: http://thread.gmane.org/gmane.comp.version-control.git/139471 it is clear that some messages are specifically kept off the sideband (with the assumption that they are of interest only to an administrator, not the client). The stderr of the subprocesses is mentioned in the thread, but it's unclear if they are included in that group, or were simply forgotten. However, there are a few good reasons to show them to the client: 1. In many cases, they are directly about the incoming packfile (e.g., fsck warnings with --strict, corruption in the packfile, etc). Without these messages, the client just gets "unpacker error" with no extra useful diagnosis. 2. No matter what the cause, we are probably better off showing the errors to the client. If the client and the server admin are not the same entity, it is probably much easier for the client to cut-and-paste the errors they see than for the admin to try to dig them out of a log and correlate them with a particular session. 3. Users of the ssh transport typically already see these stderr messages, as the remote's stderr is copied literally by ssh. This brings other transports (http, and push-over-git if you are crazy enough to enable it) more in line with ssh. As a bonus for ssh users, because the messages are now fed through the sideband and printed by the local git, they will have "remote:" prepended and be properly interleaved with any local output to stderr. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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GIT - the stupid content tracker
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