gitano.repository.git_command: Handle shallowUpdate config

If the repository is configured with git.receive.shallowUpdate
(as set by `gitanocmd config set git.receive.shallowUpdate true`)
then git will be run with receive.shallowUpdate set,
which allows shallow commits to be pushed.

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/gitano/repository.lua b/lib/gitano/repository.lua
index 982dc4d..e5f7927 100644
--- a/lib/gitano/repository.lua
+++ b/lib/gitano/repository.lua
@@ -722,9 +722,26 @@ function repo_method:save_admin(reason, author, committer)
    return self:run_checks()
 end
 
+local _git_booleans = {
+   ["true"] = true, yes = true, on = true,
+   ["false"] = false, no = false, off = false,
+}
+local function _git_config_bool(v)
+   if type(v) == "string" then
+      return _git_booleans[v:lower()]
+   elseif type(v) == "boolean" then
+      return v
+   end
+   -- Intentional fall-through to return nil
+end
+
 function repo_method:git_command(t)
    local t_copy = util.deep_copy(t)
    table.insert(t_copy, 1, "git")
+   if _git_config_bool(self:conf_get "git.receive.shallowUpdate") then
+      table.insert(t_copy, 2, "-c")
+      table.insert(t_copy, 3, "receive.shallowUpdate=true")
+   end
    local proc = sp.spawn(t_copy)
    return proc:wait()
 end