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lorax
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Use bcj filter for compressing squashfs ramdisk 

Using the BCJ filter can shave a few MB off the filesize of our ramdisk
at the expense of added CPU time. Worth it.
This commit is contained in:
Will Woods 2011-06-09 18:45:59 -04:00
parent d0960bba14
commit 7bf9ee4fce
1 changed files with 5 additions and 0 deletions
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5
src/pylorax/__init__.py
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@ -75,6 +75,7 @@ ARCHMAPS = {
LIB32 = "lib"
LIB64 = "lib64"
bcj = dict(i386="x86", x86_64="x86", ppc="powerpc", sparc="sparc", ia64="ia64")
class Lorax(BaseLoraxClass):
@ -104,6 +105,7 @@ class Lorax(BaseLoraxClass):
self.conf.add_section("compression")
self.conf.set("compression", "type", "squashfs")
self.conf.set("compression", "args", "-comp xz")
self.conf.set("compression", "bcj", "on")
# read the config file
if os.path.isfile(conf_file):
@ -385,6 +387,9 @@ class Lorax(BaseLoraxClass):
ctype = self.conf.get("compression", "type")
cargs = self.conf.get("compression", "args")
if self.conf.get("compression", "bcj") == "on":
if self.basearch in bcj:
cargs += " -Xbcj %s" % bcj.get(self.basearch)
i = imgclass(kernellist=self.outputtree.kernels,
installtree=self.installtree,