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# This derivation configures a 'cgit' instance to serve repositories
# from a different source.
{ depot, pkgs, ... }:
let
inherit (pkgs)
mime-types
thttpd
writeShellScriptBin
writeText
;
sourceFilter = writeShellScriptBin "cheddar-about" ''
exec ${depot.tools.cheddar}/bin/cheddar --about-filter $@
'';
cgitConfig = writeText "cgitrc" ''
# Global configuration
virtual-root=/
enable-http-clone=0
readme=:README.md
about-filter=${sourceFilter}/bin/cheddar-about
source-filter=${depot.tools.cheddar}/bin/cheddar
enable-log-filecount=1
enable-log-linecount=1
enable-follow-links=1
enable-blame=1
mimetype-file=${mime-types}/etc/mime.types
logo=https://static.tvl.fyi/${depot.web.static.drvHash}/logo-animated.svg
# Repository configuration
repo.url=depot
repo.path=/var/lib/gerrit/git/depot.git/
repo.desc=monorepo for the virus lounge
repo.owner=The Virus Lounge
repo.clone-url=https://code.tvl.fyi/depot.git
'';
thttpdConfig = writeText "thttpd.conf" ''
port=2448
dir=${depot.third_party.cgit}/cgit
nochroot
novhost
cgipat=**.cgi
'';
# Patched version of thttpd that serves cgit.cgi as the index and
# sets the environment variable for pointing cgit at the correct
# configuration.
#
# Things are done this way because recompilation of thttpd is much
# faster than cgit and I don't want to wait long when iterating on
# config.
thttpdConfigPatch = writeText "thttpd_cgit_conf.patch" ''
diff --git a/libhttpd.c b/libhttpd.c
index c6b1622..eef4b73 100644
--- a/libhttpd.c
+++ b/libhttpd.c
@@ -3055,4 +3055,6 @@ make_envp( httpd_conn* hc )
envn = 0;
+ // force cgit to load the correct configuration
+ envp[envn++] = "CGIT_CONFIG=${cgitConfig}";
envp[envn++] = build_env( "PATH=%s", CGI_PATH );
#ifdef CGI_LD_LIBRARY_PATH
'';
thttpdCgit = thttpd.overrideAttrs (old: {
patches = [
./thttpd_cgi_idx.patch
thttpdConfigPatch
];
});
in
writeShellScriptBin "cgit-launch" ''
exec ${thttpdCgit}/bin/thttpd -D -C ${thttpdConfig}
''
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