fix: add warning when using defaults (#3434)

Signed-off-by: Julien Jerphanion <git@jjerphan.xyz>
Co-authored-by: Julien Jerphanion <git@jjerphan.xyz>
Co-authored-by: Hind Montassif <hind.montassif@gmail.com>
Co-authored-by: Johan Mabille <johan.mabille@gmail.com>
Co-authored-by: Sylvain Corlay <sylvain.corlay@gmail.com>

.github/workflows/static_build.yml

@@ -38,6 +38,23 @@ jobs:
         with:
           repository: conda-forge/micromamba-feedstock
           path: micromamba-feedstock
+      - name: Disable output validation
+        if: ${{ matrix.platform == 'osx' }}
+        run: |
+          cd micromamba-feedstock/
+          sed -i '' '/conda_forge_output_validation/d' conda-forge.yml
+      - name: Pin libcurl
+        if: ${{ matrix.platform == 'osx' }}
+        run: |
+          cd micromamba-feedstock/
+          sed -i '' 's/libcurl >=8.4.0/libcurl >=8.4.0,<8.10/g' recipe/meta.yaml
+          sed -i '' 's/libcurl-static >=8.4.0/libcurl-static >=8.4.0,<8.10/g' recipe/meta.yaml
+      - name: Pin libcurl
+        if: ${{ matrix.platform == 'linux' }}
+        run: |
+          cd micromamba-feedstock/
+          sed -i 's/libcurl >=8.4.0/libcurl >=8.4.0,<8.10/g' recipe/meta.yaml
+          sed -i 's/libcurl-static >=8.4.0/libcurl-static >=8.4.0,<8.10/g' recipe/meta.yaml
       - name: Checkout mamba branch
         uses: actions/checkout@v4
         with:

dev/environment-dev.yml

@@ -11,7 +11,7 @@ dependencies:
   - cpp-expected
   - fmt
   - libarchive
-  - libcurl >=7.86
+  - libcurl >=7.86,<8.10
   - libsodium
   - libsolv >=0.7.18
   - nlohmann_json

dev/environment-micromamba-static.yml

@@ -17,8 +17,8 @@ dependencies:
   - yaml-cpp-static >=0.8.0
   - reproc-static >=14.2.4.post0
   - reproc-cpp-static >=14.2.4.post0
-  - libcurl >=8.4.0
-  - libcurl-static >=8.4.0
+  - libcurl >=8.4.0,<8.10
+  - libcurl-static >=8.4.0,<8.10
   - xz-static
   - libssh2-static
   - libarchive-minimal-static

libmamba/include/mamba/core/context.hpp

@@ -173,6 +173,8 @@ namespace mamba
         bool always_softlink = false;
         bool register_envs = true;
 
+        bool show_anaconda_channel_warnings = true;
+
         // solver options
         solver::Request::Flags solver_flags = {};
 

libmamba/src/api/channel_loader.cpp

@@ -63,6 +63,16 @@ namespace mamba
         {
             for (const auto& platform : channel.platforms())
             {
+                auto show_warning = ctx.show_anaconda_channel_warnings;
+                auto channel_name = channel.platform_url(platform).host();
+                if (channel_name == "repo.anaconda.com" && show_warning)
+                {
+                    LOG_WARNING << "'" << channel_name
+                                << "', a commercial channel hosted by Anaconda.com, is used.\n";
+                    LOG_WARNING << "Please make sure you understand Anaconda Terms of Services.\n";
+                    LOG_WARNING << "See: https://legal.anaconda.com/policies/en/";
+                }
+
                 auto sdires = SubdirData::create(
                     ctx,
                     channel_context,

libmamba/src/api/configuration.cpp

@@ -1660,6 +1660,12 @@ namespace mamba
                         !WARNING: Using this option can result in corruption of long-lived
                         environments due to broken links (deleted cache).)")));
 
+        insert(Configurable("show_anaconda_channel_warnings", &m_context.show_anaconda_channel_warnings)
+                   .group("Extract, Link & Install")
+                   .set_rc_configurable()
+                   .set_env_var_names({ "MAMBA_SHOW_ANACONDA_CHANNEL_WARNINGS" })
+                   .description("Show the warning when the Anaconda official channels are used"));
+
         insert(Configurable("shortcuts", &m_context.shortcuts)
                    .group("Extract, Link & Install")
                    .set_rc_configurable()

libmambapy/src/libmambapy/bindings/legacy.cpp

@@ -694,6 +694,7 @@ bind_submodule_impl(pybind11::module_ m)
         .def_readwrite("local_repodata_ttl", &Context::local_repodata_ttl)
         .def_readwrite("use_index_cache", &Context::use_index_cache)
         .def_readwrite("always_yes", &Context::always_yes)
+        .def_readwrite("show_anaconda_channel_warnings", &Context::show_anaconda_channel_warnings)
         .def_readwrite("dry_run", &Context::dry_run)
         .def_readwrite("download_only", &Context::download_only)
         .def_readwrite("add_pip_as_python_dependency", &Context::add_pip_as_python_dependency)