Unify the docs, samples and extensions

1 file changed, 16 insertions, 19 deletions

diff --git a/custom/hooks/post-receive.cgit-cache b/custom/hooks/post-receive.cgit-cache
index 21550a9..148a3f3 100755
--- a/custom/hooks/post-receive.cgit-cache
+++ b/custom/hooks/post-receive.cgit-cache
@@ -1,36 +1,33 @@
 #!/bin/sh
-#
-# Example hook that drops cgit's output cache after a push, so new commits
-# show up right away instead of once the cache-*-ttl minutes have passed.
-#
-# This only matters when cache-size in your cgitrc is above 0, which turns
-# the cache on.
+
+# Drops cgit's output cache after a push, so new commits show up right away
+# instead of once the cache-*-ttl minutes have passed. It only matters when
+# cache-size in cgitrc is above 0, which turns the cache on.
 #
 # cgit names each cache slot after a hash of the request url, so there is no
 # way to expire one repository's pages on their own and this clears the lot.
-# cgit refills a slot the next time something asks for it.  The cached
+# cgit refills a slot the next time something asks for it. The cached
 # repository scan goes too, which is what makes a brand new repository appear
 # without waiting out cache-scan-ttl.
 #
-# This hook assumes the default cache-root of "/var/cache/cgit".  If you
-# change the value in your cgitrc then you must also change it here.
-#
-# The web server owns the cache root, so the pushing user needs write access
-# to it.  Nothing here exits nonzero when that access is missing, so the
-# pusher is not shown an error over a stale page.
-#
-# To install the hook, copy (or link) it to the file "hooks/post-receive" in
-# each of your repositories.  Git runs one post-receive per repository, so
-# fold this together with the agefile hook if you want both.
+# The path below is the default cache-root, so a cgitrc that changes the
+# setting needs the same change here. The web server owns the cache root, so
+# the pushing user needs write access to it. Nothing here exits nonzero when
+# that access is missing, so the pusher is not shown an error over a stale
+# page.
 #
+# To install the hook, copy or link it to hooks/post-receive in each
+# repository. Git runs one post-receive per repository, so fold this together
+# with the age-file hook to have both.
 
 set -eu
 
 cache_root=/var/cache/cgit
 
-[ -d "$cache_root" ] || exit 0
+test -d "$cache_root" || exit 0
 
 # Everything directly under the cache root is a cache file, so the only thing
 # worth keeping is the lock files, which belong to writers still working.
 # The "! -name . -prune" pair is how POSIX find stays out of subdirectories.
-find "$cache_root"/. ! -name . -prune ! -name '*.lock' -type f -exec rm -f {} + || exit 0
+find "$cache_root"/. ! -name . -prune ! -name '*.lock' -type f \
+	-exec rm -f {} + || exit 0