component/caddy: Simplify build process

component/caddy/buildout.cfg

 [buildout]
 extends =
   ../../component/golang/buildout.cfg
-  gowork.cfg
 
 parts =
   gowork
   caddy
 
-[gowork.goinstall]
-command = bash -c ". ${gowork:env.sh} && cd ${go_github.com_caddyserver_caddy:location} && GO111MODULE=on go install -v $(echo -n '${gowork:install}' |tr '\n' ' ')"
+[caddy-get]
+<= go-git-package
+go.importpath = github.com/caddyserver/caddy
+repository    = https://lab.nexedi.com/nexedi/caddy.git
+revision      = nxd-v1.0.3-1-g2c11cedc
 
 [gowork]
 golang  = ${golang1.16:location}
 install =
-  github.com/caddyserver/caddy/...
+  ${caddy-get:location}:./...
 
 [caddy]
 recipe = plone.recipe.command

component/caddy/gowork.cfg

-# Code generated by gowork-snapshot; DO NOT EDIT.
-
-# list of go git repositories to fetch
-[gowork.goinstall]
-depends_gitfetch  =
-    ${go_github.com_caddyserver_caddy:recipe}
-
-[go_github.com_caddyserver_caddy]
-<= go-git-package
-go.importpath = github.com/caddyserver/caddy
-repository    = https://lab.nexedi.com/nexedi/caddy.git
-revision      = nxd-v1.0.3-1-g2c11cedc