Enable usage of git-autoshare

Needs Tecnativa/doodba#453
Enables git-autoshare process for the local aggregation process
Sets up local cache even if user doesn't have git-autoshare installed and setup locally.

TT32042

setup-devel.yaml.jinja

@@ -27,16 +27,19 @@ services:
         COMPILE: "false"
         UID: "${UID:-1000}"
         GID: "${GID:-1000}"
+        GIT_AUTOSHARE: "1"
     networks:
       - public
     volumes:
       - ./odoo/custom/src:/opt/odoo/custom/src:rw,z
+      - ~/.cache/git-autoshare/:/home/odoo/.cache/git-autoshare/:rw,z
     environment:
       DEPTH_DEFAULT: 100
       # XXX Export these variables before running setup to own the files
       UID: "${UID:-1000}"
       GID: "${GID:-1000}"
       UMASK: "$UMASK"
+      GIT_AUTOSHARE: "1"
     user: root
     entrypoint: autoaggregate
 

tasks_downstream.py

@@ -15,6 +15,7 @@
 from pathlib import Path
 from shutil import which
 
+import appdirs
 from invoke import exceptions, task
 from invoke.util import yaml
 
@@ -403,6 +404,11 @@ def git_aggregate(c):
 
     Executes git-aggregator from within the doodba container.
     """
+    # Create git-autoshare cache folder if it doesn't exist
+    git_autoshare_cache_dir = os.environ.get(
+        "GIT_AUTOSHARE_CACHE_DIR"
+    ) or appdirs.user_cache_dir("git-autoshare")
+    Path(git_autoshare_cache_dir).mkdir(exist_ok=True)
     with c.cd(str(PROJECT_ROOT)):
         c.run(
             "docker-compose --file setup-devel.yaml run --rm odoo",