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Update dpkg elements README from free text to table formatting

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Change-Id: Iaf890c85b72f01999d3ae31398bdb65a356218e7
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Augustina Ragwitz 2015-08-31 10:35:30 -07:00
parent 12d71c6447
commit 2cffdcda30
1 changed files with 25 additions and 11 deletions
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elements/dpkg/README.rst
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@ -13,14 +13,28 @@ The dpkg specific version of install-packages is also kept here.
Environment Variables
---------------------
* DIB\_ADD\_APT\_KEYS: If an extra or updated apt key is needed then define
DIB\_ADD\_APT\_KEYS with the path to a folder. Any key files inside will be
added to the key ring before any apt-get commands take place.
* DIB\_APT\_LOCAL\_CACHE: You can use this variable to disable the internal cache
of the /var/cache/apt/archives directory by setting it to 0. The default is to bind
mount the $DIB_IMAGE_CACHE/apt/$DISTRO_NAME directory in
/var/cache/apt/archives, this to cache the .deb files downloaded during the image
creation.
* At the end of a dib run we clean the apt cache to keep the image size as
small as possible. You can set DIB\_DISABLE\_APT\_CLEANUP=1 if you would
like to prevent this.
DIB_APT_KEYS
:Required: No
:Default: None
:Description: If an extra or updated apt key is needed then define
``DIB_ADD_APT_KEYS`` with the path to a folder. Any key files inside will be
added to the key ring before any apt-get commands take place.
:Example: ``DIB_APT_KEYS=/etc/apt/trusted.gpg.d``
DIB_APT_LOCAL_CACHE
:Required: No
:Default: 1
:Description: By default the ``$DIB_IMAGE_CACHE/apt/$DISTRO_NAME`` directory is
mounted in ``/var/cache/apt/archives`` to cache the .deb files downloaded
during the image creation. Use this variable if you wish to disable the
internal cache of the ``/var/cache/apt/archives`` directory
:Example: ``DIB_APT_LOCAL_CACHE=0`` will disable internal caching.
DIB_DISABLE_APT_CLEANUP
:Required: No
:Default: 0
:Description: At the end of a dib run we clean the apt cache to keep the image
size as small as possible. Use this variable to prevent cleaning the apt cache
at the end of a dib run.
:Example: ``DIB_DISABLE_APT_CLEANUP=1`` will disable cleanup.