Fixes [YOCTO #5035]
By default, the DL_DIR does not get files from Git repositories
that are suitable for mirroring. There is a work-around by
using the BB_GENERATE_MIRROR_TARBALLS variable, which, when
set, causes the build system to generate tarballs for the
Git repositories and place them in the DL_DIR.
To address this, I added a new variable description for the
BB_GENERATE_MIRROR_TARBALLS varible, updated the DL_DIR
variable to indicate that "out-of-the-box" the YP puts suitable
mirror files into the DL_DIR for everthing except Git
repositories.
Some other sections were updated where discussion revolved around
pulling down source files. The QS had a spot where the
BB_GENERATE_MIRROR_TARBALLS variable was actually used in an
example. And, the expanded discussion on the BitBake process
had a couple spots that deserved a mention.
(From yocto-docs rev: 1539ff13222449ba60bfaaaac4fe1e8a795b0039)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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