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diskimage-builder/elements/yum
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Dave Thomas 1a70916bca set -u doesn't permit bash arrays to test -n 
Although set -u allows empty WHITELIST=() list to be set, you can't test
-n "$WHITELIST".  Looks like the intention of the commit that caused
this issue (Change-ID Iad2d490c86dceab148ea9ab08f457c49a5d5352e) is to
set a policy to prevent future use of bugs due to unbound variables.

Thanks StevenK for pairing with me and helping me hone my bash skills.

Change-Id: I2349c990ba53b0aaecd5119812582c7c848f1e4e
Closes-Bug: #1319987
2014-05-16 13:16:06 -07:00
..
bin set -u doesn't permit bash arrays to test -n 2014-05-16 13:16:06 -07:00
pre-install.d set -u and -o pipefail everywhere 2014-05-06 15:51:07 -05:00
root.d set -u and -o pipefail everywhere 2014-05-06 15:51:07 -05:00
README.md Add yum element. 2013-08-14 18:26:51 -04:00

README.md

Provide yum specific image building glue.

RHEL/Fedora/CentOS and other yum based distributions need specific yum customizations.

Customizations include caching of downloaded yum packages outside of the build chroot so that they can be reused by subsequent image builds. The cache increases image building speed when building multiple images, especially on slow connections. This is more effective than using an HTTP proxy as a yum cache since the same rpm from different mirrors is often requested.