git-archive command as plugin

1 files changed, 33 insertions, 0 deletions

diff --git a/plugins/archive-plugin.lua b/plugins/archive-plugin.lua
new file mode 100644
index 0000000..e117201
--- /dev/null
+++ b/plugins/archive-plugin.lua
@@ -0,0 +1,33 @@
+local gitano = require "gitano"
+local sp = require "luxio.subprocess"
+
+local function builtin_upload_archive_validate(config, repo, cmdline)
+   -- git-upload-archive repo
+   if #cmdline > 2 then
+      return false
+   end
+   cmdline[2] = repo:fs_path()
+   return true
+end
+
+local function builtin_upload_archive_prep(config, repo, cmdline, context)
+   if repo.is_nascent then
+      return "deny", "Repository " .. repo.name .. " does not exist"
+   end
+   -- git-upload-archive is always a simple write operation
+   context.operation = "read"
+   return repo:run_lace(context)
+end
+
+local function builtin_upload_archive_run(config, repo, cmdline, env)
+   local cmdcopy = {env=env}
+   for i = 1, #cmdline do cmdcopy[i] = cmdline[i] end
+   local proc = sp.spawn(cmdcopy)
+   return proc:wait()
+end
+
+assert(gitano.command.register("git-upload-archive", nil, nil,
+                               builtin_upload_archive_validate,
+                               builtin_upload_archive_prep,
+                               builtin_upload_archive_run,
+                               true, true))