libreboot

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commit c15fc86040beffcf0f9fdc02aea9085e73391b5c
parent 675aea2e2bfcfbe0401dc6b4fef9b1bde5ab764a
Author: Leah Rowe <info@minifree.org>
Date:   Fri, 14 Oct 2016 10:54:21 +0100

docs/index: re-add information about finding the version (moved from FAQ)

Diffstat:
docs/index.html | 54+++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 53 insertions(+), 1 deletion(-)

diff --git a/docs/index.html b/docs/index.html @@ -196,9 +196,61 @@ <h1>How do I know what version I'm running?</h1> <p> - See <a href="https://libreboot.org/faq/#version">https://libreboot.org/faq/#version</a> + If you are at least 127 commits after release 20150518 + (commit message <em>build/roms/helper: add version information to CBFS</em>) + (or you have any <strong>upstream</strong> stable release of libreboot after 20150518), then you can + press C at the GRUB console, and use this command to find out what version of libreboot you have:<br/> + <strong>cat (cbfsdisk)/lbversion</strong><br/> + This will also work on non-release images (the version string is automatically generated, + using <em>git describe --tags HEAD</em>), built from the git repository. + A file named <em>version</em> will also be included in the archives that you downloaded (if you are + using release archives). </p> + <p> + If it exists, you can also extract this <em>lbversion</em> file by using the <i>cbfstool</i> utility + which libreboot includes, from a ROM image that you either dumped or haven't flashed yet. + In your distribution, run cbfstool on your ROM image (<em>libreboot.rom</em>, in this example):<br/> + $ <strong>./cbfstool libreboot.rom extract -n lbversion -f lbversion</strong><br/> + You will now have a file, named <em>lbversion</em>, which you can read in whatever program + it is that you use for reading/writing text files. + </p> + + <p> + For git, it's easy. Just check the git log. + </p> + + <p> + For releases on or below 20150518, or snapshots generated from the git repository below 127 commits + after 20150518, you can find a file named <em>commitid</em> inside the archives. If you are using + pre-built ROM images from the libreboot project, you can press C in GRUB for access to the terminal, + and then run this command:<br/> + <strong>lscoreboot</strong><br/> + You may find a date in here, detailing when that ROM image was built. For pre-built images distributed + by the libreboot project, this is a rough approximation of what version you have, because the version + numbers are dated, and the release archives are typically built on the same day as the release; you can + correlate that with the release information in <a href="release.html">release.html</a>. + </p> + <p> + For 20160818, note that the lbversion file was missing from CBFS on GRUB images. You can still find out + what libreboot version you have by comparing checksums of image dumps (with the descriptor blanked out with 00s, + and the same done to the ROMs from the release archive, if you are on a GM45 laptop). + </p> + <p> + There may also be a ChangeLog file included in your release archive, so that you can + look in there to figure out what version you have. + </p> + + <p> + You can also check the documentation that came with your archives, and in <em>docs/release.html</em> will be + the information about the version of libreboot that you are using. + </p> + + <p> + Generally speaking, it is advisable to use the latest version of libreboot. + </p> + + </div> <div class="section">