Remove hard coded mamba (#3069)

* Remove hard-coded micromamba

* Revert test_env

* Fix Taskfile

* Put mamba inside the feedstock

* Fix permission error

* Move git safe dir

* Restore micromamba-feedstock main branch

* Try chown

.github/workflows/static_build.yml

@@ -39,14 +39,19 @@ jobs:
           # Running a fork until we can merge the changes in micromamba-feedstock
           # https://github.com/conda-forge/micromamba-feedstock/pull/154
           repository: AntoinePrv/micromamba-feedstock
-          ref: tmp-mamba-ci
           path: micromamba-feedstock
-      - name: Clear micromamba-feedstock git directory
-        run: rm -rf "micromamba-feedstock/.git"
       - name: Checkout mamba branch
         uses: actions/checkout@v3
         with:
-          path: micromamba-feedstock/source
+          path: mamba
+      - name: Clear mamba git directory and link source
+        # `source` subfolder is the special location looked-up by our feedstock.
+        # Due to Docker, we can only put it as a subfolder of `micromamba-feedstock`,
+        run: |
+          rm -rf "mamba/.git"
+          mv mamba/ micromamba-feedstock/source
+          # Prevent irrelevant file permission error
+          git -C micromamba-feedstock/ config --local --add safe.directory '*'
       - uses: mamba-org/setup-micromamba@v1
         with:
           environment-name: mambabuild
@@ -77,6 +82,8 @@ jobs:
             apt-get install -y python3 docker.io
           run: |
             cd micromamba-feedstock/
+            # Prevent irrelevant file permission error
+            chown -R $(whoami) .
             # Special values for running the feedstock with a local source
             export FEEDSTOCK_ROOT="${PWD}"
             export CI="local"

Taskfile.dist.yml

@@ -11,6 +11,9 @@ vars:
   CMAKE_PRESET: 'mamba-unix-shared-debug-dev'
   CACHE_DIR: '{{.BUILD_DIR}}/pkgs'
   DOCS_DIR: '{{.BUILD_DIR}}/docs'
+  MAMBA_NAME: 'mamba'  # Depend on preset...
+  TEST_MAMBA_EXE:
+    sh: 'realpath {{.CMAKE_BUILD_DIR}}/micromamba/{{.MAMBA_NAME}}'
   CPU_PERCENTAGE: 75
   CPU_TOTAL:
     sh: >-
@@ -147,9 +150,9 @@ tasks:
       An example run could look like:
 
           task micromamba -- create -n env -c conda-forge python=3.11
-    deps: [{task: '_build', vars: {target: 'micromamba'}}]
+    deps: [{task: '_build', vars: {target: '{{.MAMBA_NAME}}'}}]
     cmds:
-      - '"{{.CMAKE_BUILD_DIR}}/micromamba/micromamba" {{.CLI_ARGS}}'
+      - '"{{.TEST_MAMBA_EXE}}" {{.CLI_ARGS}}'
 
   _test-libmamba:
     internal: true
@@ -169,10 +172,9 @@ tasks:
 
   _test-micromamba:
     internal: true
-    deps: [{task: '_build', vars: {target: 'micromamba'}}]
+    deps: [{task: '_build', vars: {target: '{{.MAMBA_NAME}}'}}]
     env:
-      TEST_MAMBA_EXE:
-        sh: 'realpath {{.CMAKE_BUILD_DIR}}/micromamba/micromamba'
+      TEST_MAMBA_EXE: '{{.TEST_MAMBA_EXE}}'
     cmds:
       - >-
         {{.DEV_RUN}} python -m pytest micromamba/tests/
@@ -197,10 +199,9 @@ tasks:
 
   _test-reposerver:
     internal: true
-    deps: [{task: '_build', vars: {target: 'micromamba'}}]
+    deps: [{task: '_build', vars: {target: '{{.MAMBA_NAME'}}]
     env:
-      TEST_MAMBA_EXE:
-        sh: 'realpath {{.CMAKE_BUILD_DIR}}/micromamba/micromamba'
+      TEST_MAMBA_EXE: '{{.TEST_MAMBA_EXE}}'
     # Explicitly using this as var since env does not override shell environment
     vars:
       GNUPGHOME: '{{.BUILD_DIR}}/gnupg'

micromamba/tests/helpers.py

@@ -71,7 +71,7 @@ def get_umamba(cwd=os.getcwd()):
             umamba_bin = "micromamba"
         umamba = os.path.join(cwd, "build", "micromamba", umamba_bin)
     if not Path(umamba).exists():
-        print("MICROMAMBA NOT FOUND!")
+        raise RuntimeError("Micromamba not found! Set TEST_MAMBA_EXE env variable")
     return umamba
 
 

micromamba/tests/test_shell.py

@@ -222,8 +222,9 @@ def test_init(tmp_home, tmp_root_prefix, shell_type, prefix_selector, multiple_t
 
 def test_dash(tmp_home, tmp_root_prefix):
     skip_if_shell_incompat("dash")
-    subprocess.check_call(["dash", "-c", "eval $(micromamba shell hook -s dash)"])
-    subprocess.check_call(["dash", "-c", "eval $(micromamba shell hook -s posix)"])
+    umamba = helpers.get_umamba()
+    subprocess.check_call(["dash", "-c", f"eval $({umamba} shell hook -s dash)"])
+    subprocess.check_call(["dash", "-c", f"eval $({umamba} shell hook -s posix)"])
 
 
 def test_implicitly_created_environment(tmp_home, tmp_root_prefix):