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authorLars Hjemli <hjemli@gmail.com>2010-03-22 00:09:43 +0100
committerLars Hjemli <hjemli@gmail.com>2010-03-22 00:09:43 +0100
commitba56a37e863d0f90e3e953047486905cfb959925 (patch)
tree965e2c917f472264de35125eec35c361984eba4f /cmd.c
parentui-tree: add link to plain view for blobs in tree listing (diff)
downloadcgit-pink-ba56a37e863d0f90e3e953047486905cfb959925.tar.gz
cgit-pink-ba56a37e863d0f90e3e953047486905cfb959925.zip
Add support for environment variable expansion
This patch teaches cgit to expand environment variables in certain
cgitrc option values (cache_root, scan-path, include) plus when
finding the location of cgitrc itself.

One use case for this feature is virtual hosting - e.g. by setting
$CGIT_CONFIG='/etc/cgitrc/$HTTP_HOST' in httpd.conf, all virtual
hosts automatically gets their own cgitrc.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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