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Merge pull request #280 from marineam/extlinux

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fix(disk_util): Install syslinux with extlinux
This commit is contained in:
Michael Marineau 2014-06-18 14:53:14 -07:00
commit 5eba932ff8
1 changed files with 8 additions and 3 deletions
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11
build_library/disk_util
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@ -412,16 +412,21 @@ def FormatFat(part, device):
stdout_null=True)
if 'syslinux' in part.get('features', []):
# The syslinux directory must exist before installing ldlinux.sys to it.
# Install using extlinux so we can operate on the mounted filesystem and
# avoid possible issues with mtools. Also hpa told me to. :)
# cgpt uses 255 heads and 63 sectors when generating the hybrid MBR which
# doesn't actually have to match what we use here but doesn't hurt either.
vfat_mount = tempfile.mkdtemp()
syslinux_dir = os.path.join(vfat_mount, 'syslinux')
Sudo(['mount', '-t', 'vfat', device, vfat_mount])
try:
Sudo(['mkdir', os.path.join(vfat_mount, 'syslinux')])
Sudo(['mkdir', syslinux_dir])
Sudo(['extlinux', '--heads=255', '--sectors=63',
'--install', syslinux_dir])
finally:
Sudo(['umount', vfat_mount])
os.rmdir(vfat_mount)
Sudo(['syslinux', '-d', '/syslinux', device])
print "Installed SYSLINUX to %s" % part['label']