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initramfs-tools: added support for bzip2 and lzma compressed initramfs.

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By default behaviour hasn't been changed, `gzip'. You can now compress
them with bzip2 or lzma. By default -9 is always used, we are worried
about size here so I don't think it should be tweakable.

A new option for initramfs.conf has been added COMPRESSION_TYPE.

--HG--
extra : convert_revision : 4ad57146dc1b7bee2585c1d4d792b3ea242e1fd3
This commit is contained in:
Juan RP 2010-02-20 04:06:10 +01:00
parent 2433e8662c
commit 00cfa9ee5f
4 changed files with 34 additions and 4 deletions
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8
srcpkgs/initramfs-tools/files/conf/initramfs.conf
View file

@ -55,3 +55,11 @@ DEVICE=eth0
NFSROOT=auto
#
# COMPRESSION_TYPE: [ gzip | bzip2 | lzma ]
#
# Compression type for the newly generated initramfs. By default
# it's compressed with gzip.
#
COMPRESSION_TYPE=gzip

12
srcpkgs/initramfs-tools/files/initramfs.conf.5
View file

@ -1,4 +1,4 @@
.TH INITRAMFS.CONF 5 "2008/12/19" "Linux" "initramfs.conf manual"
.TH INITRAMFS.CONF 5 "2010/02/20" "Linux" "initramfs.conf manual"
.SH NAME
initramfs.conf \- configuration file for mkinitramfs
@ -19,6 +19,12 @@ so you can override the settings in the main config file without editing it
directly.
.SH GENERAL VARIABLES
.TP
\fB COMPRESSION_TYPE
Specifies the compression type used by the generated initramfs. Possible
values are \fIgzip\fP, \fIbzip2\fP and \fIlzma\fP. If not set or any other
invalid value is set it will default to \fIgzip\fP.
.TP
\fB MODULES
Specifies the modules for the initramfs image.
@ -67,6 +73,10 @@ The initramfs-tools are written by Maximilian Attems <maks@debian.org>,
Jeff Bailey <jbailey@raspberryginger.com> and numerous others.
Loosely based on mkinitrd.conf by Herbert Xu.
This version of initramfs-tools has been modified and improved by
Juan Romero Pardines <xtraeme@gmail.com> for XBPS - The X Binary
Package System.
.SH SEE ALSO
.BR
.IR initramfs-tools (8),

14
srcpkgs/initramfs-tools/files/mkinitramfs
View file

@ -73,6 +73,16 @@ for i in ${EXTRA_CONF}; do
fi
done
# Handle COMPRESSION_TYPE from initramfs.conf.
compress_cmd_args="-9"
case "${COMPRESSION_TYPE}" in
gzip) compress_cmd=gzip;;
bzip2) compress_cmd=bzip2;;
lzma) compress_cmd=lzma; compress_cmd_args="$compress_cmd_args -c";;
*) compress_cmd=gzip;;
esac
# source package confs
for i in /usr/share/initramfs-tools/conf-hooks.d/*; do
if [ -e "${i}" ]; then
@ -239,7 +249,7 @@ fi
# Copy resume from klibc
copy_exec /bin/resume /bin
[ "${verbose}" = y ] && echo "Building cpio ${outfile} initramfs"
[ "${verbose}" = y ] && echo "Building cpio ${outfile} initramfs (${COMPRESSION_TYPE})"
(
# work around lack of "set -o pipefail" for the following pipe:
# cd "${DESTDIR}" && find . | cpio --quiet --dereference -o -H newc | gzip >"${outfile}" || exit 1
@ -252,7 +262,7 @@ eval `
find . 4>&-; echo "ec1=$?;" >&4
} | {
cpio --quiet --dereference -o -H newc 4>&-; echo "ec2=$?;" >&4
} | gzip >"${outfile}"
} | ${compress_cmd} ${compress_cmd_args} >"${outfile}"
echo "ec3=$?;" >&4
`
if [ "$ec1" -ne 0 ]; then exit "$ec1"; fi

4
srcpkgs/initramfs-tools/template
View file

@ -1,6 +1,6 @@
# Template file for 'initramfs-tools'
pkgname=initramfs-tools
version=0.96
version=0.97
build_style=custom-install
short_desc="Tools for generating an initramfs"
maintainer="Juan RP <xtraeme@gmail.com>"
@ -28,6 +28,8 @@ Add_dependency full findutils
Add_dependency full sed
Add_dependency full grep
Add_dependency full gzip
Add_dependency full bzip2
Add_dependency full xz
Add_dependency full udev
Add_dependency full module-init-tools
Add_dependency full busybox-initramfs