Auto-install missing installer binaries

Signed-off-by: Nick Sweeting <git@sweeting.me>

Author: pirate

abxpkg/binprovider.py

@@ -876,7 +876,7 @@ def INSTALLER_BINARY(self, no_cache: bool = False) -> ShallowBinary:
                 loaded = Binary(
                     name=self.INSTALLER_BIN,
                     binproviders=manual_installer_providers,
-                ).load(
+                ).install(
                     no_cache=no_cache,
                 )
                 if loaded and loaded.loaded_abspath:
@@ -902,7 +902,7 @@ def INSTALLER_BINARY(self, no_cache: bool = False) -> ShallowBinary:
             loaded = Binary(
                 name=self.INSTALLER_BIN,
                 binproviders=installer_providers,
-            ).load(no_cache=no_cache)
+            ).install(no_cache=no_cache)
             if loaded and loaded.loaded_abspath:
                 if loaded.loaded_version and loaded.loaded_sha256:
                     self.write_cached_binary(

tests/test_binprovider.py

@@ -6,6 +6,9 @@
 import pytest
 
 from abxpkg import (
+    BinName,
+    BinProvider,
+    BinProviderName,
     BunProvider,
     DenoProvider,
     EnvProvider,
@@ -79,6 +82,32 @@ def test_installer_binary_abspath_resolves_without_recursing(
         assert installer.name == installer_bin
         assert installer.loaded_version is not None
 
+    def test_installer_binary_auto_installs_missing_dependency_into_configured_lib(
+        self,
+        monkeypatch,
+    ):
+        class BlackInstallerProvider(BinProvider):
+            name: BinProviderName = "black_bootstrap"
+            INSTALLER_BIN: BinName = "black"
+
+        with tempfile.TemporaryDirectory() as tmpdir:
+            tmpdir_path = Path(tmpdir)
+            monkeypatch.setenv("ABXPKG_BINPROVIDERS", "pip")
+            monkeypatch.setenv("ABXPKG_LIB_DIR", str(tmpdir_path / "abxlib"))
+
+            installer = BlackInstallerProvider(
+                postinstall_scripts=True,
+                min_release_age=0,
+            ).INSTALLER_BINARY(no_cache=True)
+
+            assert installer.loaded_binprovider is not None
+            assert installer.loaded_binprovider.name == "pip"
+            assert installer.loaded_abspath is not None
+            assert installer.loaded_abspath.resolve().is_relative_to(
+                (tmpdir_path / "abxlib" / "pip" / "venv" / "bin").resolve(),
+            )
+            assert installer.loaded_version is not None
+
     def test_base_public_getters_resolve_real_host_python(self, test_machine):
         provider = EnvProvider(postinstall_scripts=True, min_release_age=0)