Merge pull request #1672 from pypa/disable-host-mount

feat: Adds disable_host_mount suboption to container-engine

docs/extra.css

@@ -315,3 +315,9 @@ h1, h2, h3, h4, h5, h6 {
 .wy-menu-vertical li.current a {
 
 }
+
+/* word wrap in table cells */
+.wy-table-responsive table td, .wy-table-responsive table th {
+  white-space: normal;
+  line-height: 1.4;
+}

docs/faq.md

@@ -14,7 +14,7 @@ Linux wheels are built in [`manylinux`/`musllinux` containers](https://github.co
 
     `cibuildwheel` supports this by providing the [`CIBW_ENVIRONMENT`](options.md#environment) and [`CIBW_BEFORE_ALL`](options.md#before-all) options to setup the build environment inside the running container.
 
--   The project directory is copied into the container as `/project`, the output directory for the wheels to be copied out is `/output`. In general, this is handled transparently by `cibuildwheel`. For a more finegrained level of control however, the root of the host file system is mounted as `/host`, allowing for example to access shared files, caches, etc. on the host file system.  Note that `/host` is not available on CircleCI due to their Docker policies.
+-   The project directory is copied into the container as `/project`, the output directory for the wheels to be copied out is `/output`. In general, this is handled transparently by `cibuildwheel`. For a more finegrained level of control however, the root of the host file system is mounted as `/host`, allowing for example to access shared files, caches, etc. on the host file system.  Note that `/host` is not available on CircleCI and GitLab CI due to their Docker policies.
 
 -   Alternative Docker images can be specified with the `CIBW_MANYLINUX_*_IMAGE`/`CIBW_MUSLLINUX_*_IMAGE` options to allow for a custom, preconfigured build environment for the Linux builds. See [options](options.md#linux-image) for more details.
 

docs/options.md

@@ -1071,8 +1071,8 @@ Auditwheel detects the version of the manylinux / musllinux standard in the imag
 
 Options:
 
-- `docker[;create_args: ...]`
-- `podman[;create_args: ...]`
+- `docker[;create_args: ...][;disable_host_mount: true/false]`
+- `podman[;create_args: ...][;disable_host_mount: true/false]`
 
 Default: `docker`
 
@@ -1081,11 +1081,13 @@ Set the container engine to use. Docker is the default, or you can switch to
 running and `docker` available on PATH. To use Podman, it needs to be
 installed and `podman` available on PATH.
 
-Arguments can be supplied to the container engine. Currently, the only option
-that's customisable is 'create_args'. Parameters to create_args are
-space-separated strings, which are passed to the container engine on the
-command line when it's creating the container. If you want to include spaces
-inside a parameter, use shell-style quoting.
+Options can be supplied after the name.
+
+| Option name | Description
+|---|---
+| `create_args` | Space-separated strings, which are passed to the container engine on the command line when it's creating the container. If you want to include spaces inside a parameter, use shell-style quoting.
+| `disable_host_mount` | By default, cibuildwheel will mount the root of the host filesystem as a volume at `/host` in the container. To disable the host mount, pass `true` to this option.
+
 
 !!! tip
 
@@ -1106,6 +1108,9 @@ inside a parameter, use shell-style quoting.
 
     # pass command line options to 'docker create'
     CIBW_CONTAINER_ENGINE: "docker; create_args: --gpus all"
+
+    # disable the /host mount
+    CIBW_CONTAINER_ENGINE: "docker; disable_host_mount: true"
     ```
 
 !!! tab examples "pyproject.toml"
@@ -1117,6 +1122,9 @@ inside a parameter, use shell-style quoting.
 
     # pass command line options to 'docker create'
     container-engine = { name = "docker", create-args = ["--gpus", "all"]}
+
+    # disable the /host mount
+    container-engine = { name = "docker", disable-host-mount = true }
     ```