af84759e12
Set is to C.UTF-8 as default, to reuse what is available on this base image. Change-Id: I3d2517582b836b2c6ec05538e6f9c58cada66965
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1.8 KiB
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44 lines
1.8 KiB
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===========
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debootstrap
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===========
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Base element for creating minimal debian-based images.
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This element is incomplete by itself, you'll want to use the debian-minimal
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or ubuntu-minimal elements to get an actual base image.
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If necessary, a custom apt keyring and debootstrap script can be
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supplied to the `debootstrap` command via `DIB_APT_KEYRING` and
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`DIB_DEBIAN_DEBOOTSTRAP_SCRIPT` respectively. Both options require the
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use of absolute rather than relative paths.
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Use of this element will also require the tool 'debootstrap' to be
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available on your system. It should be available on Ubuntu, Debian,
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and Fedora.
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The `DIB_OFFLINE` or more specific `DIB_DEBIAN_USE_DEBOOTSTRAP_CACHE`
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variables can be set to prefer the use of a pre-cached root filesystem
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tarball.
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The `DIB_DEBOOTSTRAP_EXTRA_ARGS` environment variable may be used to
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pass extra arguments to the debootstrap command used to create the
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base filesystem image. If --keyring is is used in `DIB_DEBOOTSTRAP_EXTRA_ARGS`,
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it will override `DIB_APT_KEYRING` if that is used as well.
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The `DIB_DEBOOTSTRAP_CACHE` variable can be used to cache the created root
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filesystem. By default this is 0 (disabled) and any other value enables this.
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If run in offline mode then the most recently cached rootfs is used instead of
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being built.
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The `DIB_DEBOOTSTRAP_DEFAULT_LOCALE` environment variable may be used
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to configure the default locale of the base image. It defaults to
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C.UTF-8.
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-------------------
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Note on ARM systems
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-------------------
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Because there is not a one-to-one mapping of `ARCH` to a kernel package, if
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you are building an image for ARM on debian, you need to specify which kernel
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you want in the environment variable `DIB_ARM_KERNEL`. For instance, if you want
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the `linux-image-mx5` package installed, set `DIB_ARM_KERNEL` to `mx5`.
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