Add a readme command

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/gitano/command.lua b/lib/gitano/command.lua
index 22decf0..5b1ebcc 100644
--- a/lib/gitano/command.lua
+++ b/lib/gitano/command.lua
@@ -363,6 +363,52 @@ assert(register_cmd("whoami", builtin_whoami_short, builtin_whoami_helptext,
 		    builtin_whoami_prep, builtin_whoami_run, false, false))
 
 
+local builtin_readme_short = "View readme for a repository (if present)"
+local builtin_readme_helptext = [[
+usage: readme <reponame>
+
+Shows you the readme for the given repository.  You must have read
+access to the repository in order to see it.
+]]
+
+local function builtin_readme_validate(config, repo, cmdline)
+   if #cmdline ~= 2 then
+      log.error("Expected repository not provided")
+      return false
+   end
+   if not repo or repo.is_nascent then
+      log.error("Repository does not exist")
+      return false
+   end
+   return true
+end
+
+local function builtin_readme_prep(config, repo, cmdline)
+   return {
+      ["operation"] = "read",
+   }
+end
+
+local function builtin_readme_run(config, repo, cmdline, env)
+   local t = repo.readme_mdwn
+   if t then
+      if not t:match("\n$") then
+	 t = t .. "\n"
+      end
+      for l in t:gmatch("([^\n]*)\n") do
+	 log.chat(l)
+      end
+   else
+      log.chat("# No README.mdwn found")
+   end
+   return "exit", 0
+end
+
+assert(register_cmd("readme", builtin_readme_short,
+		    builtin_readme_helptext, builtin_readme_validate,
+		    builtin_readme_prep, builtin_readme_run,
+		    true, false))
+
 return {
    register = register_cmd,
    get = get_cmd,