Merge pull request #2097 from jaimergp/micromamba-linux

Allow `micromamba` provisioning in Linux too
conda-forge · Oct 17, 2024 · 1eadcb8 · 1eadcb8
2 parents 18a380a + 952899e
commit 1eadcb8
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Showing 4 changed files with 13 additions and 10 deletions.
diff --git a/conda_smithy/data/conda-forge.json b/conda_smithy/data/conda-forge.json
@@ -1777,7 +1777,7 @@
         }
       ],
       "default": "micromamba",
-      "description": "Use this option to choose which tool is used to provision the tooling in your\nfeedstock. Defaults to micromamba.\n\nIf conda or mamba are chosen, the latest Miniforge will be used to\nprovision the base environment. If micromamba is chosen, Miniforge\nis not involved; the environment is created directly by micromamba.\n\nNote: micromamba is only used on macOS and Windows for now.\nOn Linux, mamba (as provided in the Docker images) will still be used\neven if micromamba is chosen.",
+      "description": "Use this option to choose which tool is used to provision the tooling in your\nfeedstock. Defaults to micromamba.\n\nIf conda or mamba are chosen, the latest Miniforge will be used to\nprovision the base environment. If micromamba is chosen, Miniforge\nis not involved; the environment is created directly by micromamba.",
       "title": "Conda Install Tool"
     },
     "conda_forge_output_validation": {

diff --git a/conda_smithy/schema.py b/conda_smithy/schema.py
@@ -637,10 +637,6 @@ class ConfigModel(BaseModel):
                 If conda or mamba are chosen, the latest Miniforge will be used to
                 provision the base environment. If micromamba is chosen, Miniforge
                 is not involved; the environment is created directly by micromamba.
-
-                Note: micromamba is only used on macOS and Windows for now.
-                On Linux, mamba (as provided in the Docker images) will still be used
-                even if micromamba is chosen.
                 """
             ),
         )

diff --git a/conda_smithy/templates/build_steps.sh.tmpl b/conda_smithy/templates/build_steps.sh.tmpl
@@ -33,6 +33,15 @@ solver: {{ conda_solver }}
 {%- endif %}
 
 CONDARC
+
+{%- if conda_install_tool == "micromamba" %}
+mv /opt/conda/conda-meta/history /opt/conda/conda-meta/history.$(date +%Y-%m-%d-%H-%M-%S)
+echo > /opt/conda/conda-meta/history
+micromamba install --root-prefix ~/.conda --prefix /opt/conda \
+    --yes --override-channels --channel conda-forge --strict-channel-priority \
+    pip {{ conda_install_tool_deps }} {{ conda_build_tool_deps }} {{ " ".join(remote_ci_setup) }}
+{%- endif %}
+
 {%- if conda_build_tool == "mambabuild" %}
 {%- set BUILD_CMD="conda-mambabuild" %}
 {%- elif conda_build_tool == "conda-build+conda-libmamba-solver" %}
@@ -47,12 +56,10 @@ CONDARC
 {%- if conda_solver == "libmamba" %}
 export CONDA_LIBMAMBA_SOLVER_NO_CHANNELS_FROM_INSTALLED=1
 {%- endif %}
-{%- if conda_install_tool == "micromamba" %}
-{%- set conda_install_tool = "mamba" %}
-{%- endif %}
-
+{%- if conda_install_tool in ("conda", "mamba") %}
 {{ conda_install_tool }} install --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
     pip {{ conda_install_tool_deps }} {{ conda_build_tool_deps }} {{ " ".join(remote_ci_setup) }}
+{%- endif %}
 {%- if conda_install_tool == "mamba" and (conda_build_tool_deps != "" or conda_install_tool_deps != "") %}
 {{ conda_install_tool }} update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
     pip {{ conda_install_tool_deps }} {{ conda_build_tool_deps }} {{ " ".join(remote_ci_setup_update) }}

diff --git a/news/gh2075-micromamba-install-tool.rst b/news/gh2075-micromamba-install-tool.rst
@@ -1,6 +1,6 @@
 **Added:**
 
-* Added ``micromamba`` as the default install tool on macOS and Windows. (#2075)
+* Added ``micromamba`` as the default install tool on Linux, macOS and Windows. (#2075, #2097)
 
 **Changed:**