feat(workspace): port cwd across backends

bot_bottle/backend/smolmachines/backend.py

@@ -22,6 +22,7 @@ from .provision import prompt as _prompt
 from .provision import provider_auth as _provider_auth
 from .provision import skills as _skills
 from .provision import supervise as _supervise
+from .provision import workspace as _workspace
 
 
 class SmolmachinesBottleBackend(
@@ -72,6 +73,11 @@ class SmolmachinesBottleBackend(
     ) -> None:
         _skills.provision_skills(plan, target)
 
+    def provision_workspace(
+        self, plan: SmolmachinesBottlePlan, target: str
+    ) -> None:
+        _workspace.provision_workspace(plan, target)
+
     def provision_git(
         self, plan: SmolmachinesBottlePlan, target: str
     ) -> None:

bot_bottle/backend/smolmachines/provision/git.py

@@ -4,7 +4,7 @@
 Three concerns, all about git in the agent:
 
   1. If --cwd was passed AND the host cwd has a .git, copy that
-     .git into /home/node/workspace/.git so the agent operates on
+     .git into the planned guest workspace so the agent operates on
      the user's repo.
   2. If the bottle declares `git` entries (PRD 0008), write a
      ~/.gitconfig with insteadOf rules so every git operation
@@ -58,20 +58,22 @@ def _provision_cwd_git(plan: SmolmachinesBottlePlan, target: str) -> None:
     """If --cwd was set and the host cwd has a .git directory, copy
     it into <guest_home>/workspace/.git and fix ownership. No-op
     otherwise."""
-    if not (plan.spec.copy_cwd and Path(plan.spec.user_cwd, ".git").is_dir()):
+    workspace = plan.workspace_plan
+    if not (workspace.enabled and workspace.copy_git and workspace.has_host_git_dir):
         return
-    guest_workspace_git = f"{_guest_home()}/workspace/.git"
-    info(f"copying {plan.spec.user_cwd}/.git -> {target}:{guest_workspace_git}")
+    guest_workspace_git = f"{workspace.guest_path}/.git"
+    host_git = str(workspace.host_path / ".git")
+    info(f"copying {host_git} -> {target}:{guest_workspace_git}")
     # mkdir -p the workspace dir so `machine cp` lands the .git
     # directly there even on first-time bottles.
-    _smolvm.machine_exec(target, ["mkdir", "-p", f"{_guest_home()}/workspace"])
+    _smolvm.machine_exec(target, ["mkdir", "-p", workspace.guest_path])
     _smolvm.machine_cp(
-        f"{plan.spec.user_cwd}/.git", f"{target}:{guest_workspace_git}",
+        host_git, f"{target}:{guest_workspace_git}",
     )
     # `machine cp` lands files as root; the agent runs as node so
     # the workspace tree must be chowned over.
     _smolvm.machine_exec(
-        target, ["chown", "-R", "node:node", guest_workspace_git],
+        target, ["chown", "-R", workspace.owner, guest_workspace_git],
     )
 
 

bot_bottle/backend/smolmachines/provision/workspace.py

@@ -0,0 +1,36 @@
+"""Copy the operator workspace into a smolmachines guest."""
+
+from __future__ import annotations
+
+import shlex
+
+from ....log import info
+from .. import smolvm as _smolvm
+from ..bottle_plan import SmolmachinesBottlePlan
+
+
+def provision_workspace(plan: SmolmachinesBottlePlan, target: str) -> None:
+    """Copy host cwd contents to the planned guest workspace."""
+    workspace = plan.workspace_plan
+    if not (workspace.enabled and workspace.copy_contents):
+        return
+
+    guest_parent = workspace.guest_path.rsplit("/", 1)[0] or "/"
+    guest_path_q = shlex.quote(workspace.guest_path)
+    guest_parent_q = shlex.quote(guest_parent)
+    owner_q = shlex.quote(workspace.owner)
+    mode_q = shlex.quote(workspace.mode)
+    info(f"copying {workspace.host_path} -> {target}:{workspace.guest_path}")
+    _smolvm.machine_exec(
+        target,
+        ["sh", "-c", f"rm -rf {guest_path_q} && mkdir -p {guest_parent_q}"],
+    )
+    _smolvm.machine_cp(str(workspace.host_path), f"{target}:{workspace.guest_path}")
+    _smolvm.machine_exec(
+        target,
+        [
+            "sh", "-c",
+            f"chown -R {owner_q} {guest_path_q} && "
+            f"chmod {mode_q} {guest_path_q}",
+        ],
+    )