pmb.helpers.git.clone: remove shallow option

This made sense for Alpine's aports.git repository as we were only using
the master branch. But now that we are using more branches, we need the
entire git repository with all its branches cloned.

pmb/config/pmaports.py

@@ -33,7 +33,7 @@ def clone(args):
                  " recipes (pmaports)...")
 
     # Set up the native chroot and clone pmaports
-    pmb.helpers.git.clone(args, "pmaports", False)
+    pmb.helpers.git.clone(args, "pmaports")
 
 
 def symlink(args):

pmb/helpers/git.py

@@ -21,15 +21,13 @@ def get_path(args, name_repo):
     return args.work + "/cache_git/" + name_repo
 
 
-def clone(args, name_repo, shallow=True):
+def clone(args, name_repo):
     """ Clone a git repository to $WORK/cache_git/$name_repo (or to the
         overridden path set in args, as with pmbootstrap --aports).
 
         :param name_repo: short alias used for the repository name, from
                           pmb.config.git_repos (e.g. "aports_upstream",
-                          "pmaports")
-        :param shallow: only clone the last revision of the repository, instead
-                        of the entire repository (faster, saves bandwith) """
+                          "pmaports") """
     # Check for repo name in the config
     if name_repo not in pmb.config.git_repos:
         raise ValueError("No git repository configured for " + name_repo)
@@ -39,8 +37,6 @@ def clone(args, name_repo, shallow=True):
         # Build git command
         url = pmb.config.git_repos[name_repo]
         command = ["git", "clone"]
-        if shallow:
-            command += ["--depth=1"]
         command += [url, path]
 
         # Create parent dir and clone