fix: Reintroduce the uninstall command

Signed-off-by: Julien Jerphanion <[email protected]>

micromamba/src/umamba.cpp

@@ -63,6 +63,13 @@ set_umamba_command(CLI::App* com, mamba::Configuration& config)
     CLI::App* remove_subcom = com->add_subcommand("remove", "Remove packages from active environment");
     set_remove_command(remove_subcom, config);
 
+    // `uninstall` is an alias for `remove`
+    CLI::App* uninstall_subcom = com->add_subcommand(
+        "uninstall",
+        "Remove packages from active environment"
+    );
+    set_remove_command(uninstall_subcom, config);
+
     CLI::App* list_subcom = com->add_subcommand("list", "List packages in active environment");
     set_list_command(list_subcom, config);
 

micromamba/tests/test_remove.py

@@ -261,3 +261,42 @@ def test_remove_config_target_prefix(
     else:
         res = helpers.remove(*cmd, "--print-config-only")
         remove_config_common_assertions(res, root_prefix=r, target_prefix=p)
+
+
+def test_uninstall(tmp_home, tmp_root_prefix, tmp_xtensor_env, tmp_env_name):
+    # Install xtensor and then uninstall xtensor the first time with the `remove`
+    # subcommand and a second time with the `uninstall` subcommand and check that
+    # their outputs are the same and that the environment is in the same state
+
+    res_list = helpers.umamba_list("-n", tmp_env_name, "--json")
+    n_packages_after_init = len(res_list)
+
+    # Install xtensor
+    helpers.install("xtensor", "-n", tmp_env_name, no_dry_run=True)
+
+    # Remove xtensor
+    res_remove = helpers.remove("xtensor", "-n", tmp_env_name, "--json")
+    assert res_remove["success"]
+    assert len(res_remove["actions"]["UNLINK"]) == 2
+    assert res_remove["actions"]["UNLINK"][0]["name"] == "xtensor"
+    assert res_remove["actions"]["UNLINK"][1]["name"] == "xtl"
+    assert res_remove["actions"]["PREFIX"] == str(tmp_xtensor_env)
+
+    # Check that the environment does not contain any packages
+    res_list = helpers.umamba_list("-n", tmp_env_name, "--json")
+    assert len(res_list) == n_packages_after_init
+
+    # Reinstall xtensor
+    helpers.install("xtensor", "-n", tmp_env_name, no_dry_run=True)
+
+    # Uninstall xtensor
+    res_uninstall = helpers.uninstall("xtensor", "-n", tmp_env_name, "--json")
+    assert res_uninstall["success"]
+    assert len(res_uninstall["actions"]["UNLINK"]) == 2
+    assert res_uninstall["actions"]["UNLINK"][0]["name"] == "xtensor"
+    assert res_uninstall["actions"]["UNLINK"][1]["name"] == "xtl"
+    assert res_uninstall["actions"]["PREFIX"] == str(tmp_xtensor_env)
+
+    # Check that the environment does not contain any packages
+    res_list = helpers.umamba_list("-n", tmp_env_name, "--json")
+    assert len(res_list) == n_packages_after_init