a gopher interface forked from the popular cgit

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Lars Hjemli 939d32fda7 Redesign the caching layer ... The original caching layer in cgit has no upper bound on the number of concurrent cache entries, so when cgit is traversed by a spider (like the googlebot), the cache might end up filling your disk. Also, if any error occurs in the cache layer, no content is returned to the client. This patch redesigns the caching layer to avoid these flaws by * giving the cache a bound number of slots * disabling the cache for the current request when errors occur The cache size limit is implemented by hashing the querystring (the cache lookup key) and generating a cache filename based on this hash modulo the cache size. In order to detect hash collisions, the full lookup key (i.e. the querystring) is stored in the cache file (separated from its associated content by ascii 0). The cache filename is the reversed 8-digit hexadecimal representation of hash(key) % cache_size which should make the filesystem lookup pretty fast (if directory content is indexed/sorted); reversing the representation avoids the problem where all keys have equal prefix. There is a new config option, cache-size, which sets the upper bound for the cache. Default value for this option is 0, which has the same effect as setting nocache=1 (hence nocache is now deprecated). Included in this patch is also a new testfile which verifies that the new option works as intended. Signed-off-by: Lars Hjemli <hjemli@gmail.com>		17 years ago
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.gitignore	Create initial testsuite	18 years ago
Makefile	Create initial testsuite	18 years ago
setup.sh	Redesign the caching layer	17 years ago
t0010-validate-html.sh	t0010-validate.sh: return on cgit errors	17 years ago
t0020-validate-cache.sh	Redesign the caching layer	17 years ago
t0101-index.sh	Brown paper bag: don't use `grep -v`	17 years ago
t0102-summary.sh	Brown paper bag: don't use `grep -v`	17 years ago
t0103-log.sh	Create initial testsuite	18 years ago
t0104-tree.sh	Fix html error detected by test-suite	18 years ago
t0105-commit.sh	Fix html error detected by test-suite	18 years ago
t0106-diff.sh	Create initial testsuite	18 years ago
t0107-snapshot.sh	Create initial testsuite	18 years ago
t0108-patch.sh	Fix segfault in patch view for root commit	17 years ago