It occured to me yesterday that with the config inside of the module it is kind of difficult to test cgit locally. This moves it back to a separate location (//web/cgit-tvl) and makes the most important things configurable via overrides. Change-Id: I9b0f4c60b75c31441e1718e63b5b55aba3100aae Reviewed-on: https://cl.tvl.fyi/c/depot/+/5893 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
		
			
				
	
	
		
			73 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
# Wrapper for running cgit through thttpd with TVL-specific
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# configuration.
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#
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# In practice this is only used for //ops/modules/cgit, but exposing
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# it here makes it easy to experiment with cgit locally.
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{ depot, lib, pkgs, ... }:
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let
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  cgitConfig = repo: pkgs.writeText "cgitrc" ''
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    # Global configuration
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    virtual-root=/
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    enable-http-clone=0
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    readme=:README.md
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    about-filter=${depot.tools.cheddar.about-filter}/bin/cheddar-about
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    source-filter=${depot.tools.cheddar}/bin/cheddar
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    enable-log-filecount=1
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    enable-log-linecount=1
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    enable-follow-links=1
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    enable-blame=1
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    mimetype-file=${pkgs.mime-types}/etc/mime.types
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    logo=https://static.tvl.fyi/${depot.web.static.drvHash}/logo-animated.svg
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    # Repository configuration
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    repo.url=depot
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    repo.path=${repo}
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    repo.desc=monorepo for the virus lounge
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    repo.owner=The Virus Lounge
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    repo.clone-url=https://code.tvl.fyi/depot.git
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  '';
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  thttpdConfig = port: pkgs.writeText "thttpd.conf" ''
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    port=${toString port}
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    dir=${depot.third_party.cgit}/cgit
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    nochroot
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    novhost
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    cgipat=**.cgi
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  '';
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  # Patched version of thttpd that serves cgit.cgi as the index and
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  # sets the environment variable for pointing cgit at the correct
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  # configuration.
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  #
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  # Things are done this way because recompilation of thttpd is much
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  # faster than cgit.
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  thttpdConfigPatch = repo: pkgs.writeText "thttpd_cgit_conf.patch" ''
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    diff --git a/libhttpd.c b/libhttpd.c
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    index c6b1622..eef4b73 100644
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    --- a/libhttpd.c
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    +++ b/libhttpd.c
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    @@ -3055,4 +3055,6 @@ make_envp( httpd_conn* hc )
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         envn = 0;
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    +    // force cgit to load the correct configuration
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    +    envp[envn++] = "CGIT_CONFIG=${cgitConfig repo}";
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         envp[envn++] = build_env( "PATH=%s", CGI_PATH );
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     #ifdef CGI_LD_LIBRARY_PATH
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  '';
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  thttpdCgit = repo: pkgs.thttpd.overrideAttrs (old: {
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    patches = [
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      ./thttpd_cgi_idx.patch
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      (thttpdConfigPatch repo)
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    ];
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  });
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in
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lib.makeOverridable
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  ({ port ? 2448
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   , repo ? "/var/lib/gerrit/git/depot.git/"
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   }: pkgs.writeShellScript "cgit-launch" ''
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    exec ${thttpdCgit repo}/bin/thttpd -D -C ${thttpdConfig port}
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  '')
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{ }
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