[Qemu-devel] Howto: instructing patchew about patch dependency

[Fam Zheng <famz@redhat.com>]

Hi, QEMU patch submitters,

I've patched patchew so that if you add a line:

Based-on: $MESSAGE_ID

in your cover letter body, or in a reply to it (or reply to reply), patchew will
try to apply your series on top of the one $MESSAGE_ID refers to, assuming the
base series _was_ successfully applied by patchew earlier.

In the single patch case, you can put the line under the "---" mark in the
commit message (no need to let it enter git history).

For human readability, around the "Based-on:" line it may be better if the
subject is noted. E.g.:

Based-on: 20170804140942.19342-1-famz@redhat.com
([PATCH for-2.10] vmdk: Fix error handling/reporting of vmdk_check)

Please don't join them in one line because it will confuse the parser, after all
following the message id text, there aren't many spaces left.

Fam