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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| 
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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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| 
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|     # Repository configuration
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|     repo.url=depot
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|     repo.path=${repo}
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|     repo.desc=monorepo for the virus lounge
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|     repo.owner=The Virus Lounge
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|     repo.clone-url=https://code.tvl.fyi/depot.git
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|   '';
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| 
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|   thttpdConfig = port: pkgs.writeText "thttpd.conf" ''
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|     port=${toString port}
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|     dir=${depot.third_party.cgit}/cgit
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|     nochroot
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|     novhost
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|     cgipat=**.cgi
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|   '';
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| 
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|   # Patched version of thttpd that serves cgit.cgi as the index and
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|   # sets the environment variable for pointing cgit at the correct
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|   # configuration.
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|   #
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|   # Things are done this way because recompilation of thttpd is much
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|   # faster than cgit.
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|   thttpdConfigPatch = repo: pkgs.writeText "thttpd_cgit_conf.patch" ''
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|     diff --git a/libhttpd.c b/libhttpd.c
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|     index c6b1622..eef4b73 100644
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|     --- a/libhttpd.c
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|     +++ b/libhttpd.c
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|     @@ -3055,4 +3055,6 @@ make_envp( httpd_conn* hc )
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| 
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|          envn = 0;
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|     +    // force cgit to load the correct configuration
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|     +    envp[envn++] = "CGIT_CONFIG=${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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| 
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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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| 
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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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