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Add support for environment variable expansion

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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>
This commit is contained in:
Lars Hjemli 2010-03-22 00:09:43 +01:00
parent ff3a3b4e2b
commit ba56a37e86
3 changed files with 78 additions and 5 deletions
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cgit.h
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@ -296,4 +296,6 @@ extern int cgit_close_filter(struct cgit_filter *filter);
extern int readfile(const char *path, char **buf, size_t *size);
extern char *expand_macros(const char *txt);
#endif /* CGIT_H */