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发表于 2008-4-29 20:24:51
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接下来看spec这个目录，因为这个目录是对于定制iso最常用的。
在上面下载的文件里，这个目录只有一个文件就是specinfo.py
它是控制MI的一些参数的文件。文件内容如下：我添加上中文的注释
- #!/usr/bin/python
- #上面表明这是个python程序
- ### Global information ###
- ###全局信息###
- # distname is used to specify the name of the installed distribution.
- # distname 是指定发行版本名称的，你可以自己改
- distname='MagicLinux'
-
- # distver is used to specify the version of the installed distribution.
- # distver 是指定发行版的版本的，也可以改，但是注意，这个版本号里不能有-
- distver='2.1beta0'
-
- # distkernelver is used to specify the kernel version which used by the
- # installed distribution.
- # distkernelver 是指定发行版本的内核版本，注意这个内核是指Magic本身的内核，有可能和MI的内核版本不一致
- distkernelver='2.6.20.4'
-
- # pkgtype is used to specify the package management scheme used by the
- # installed distribution. Now only 'rpm' is supported.
- # pkgtype是指定包类型的，现在只支持rpm包
- pkgtype='rpm'
-
- # pkgdirs is used to specify the directories which contain the packages
- # which should be installed by MagicInstaller as a part of the installed
- # distribution. Multiple directories can be separated by ':'. This value
- # can be overrided through the command line argument of scons.
- # pkgdirs是指定包位置的，默认就是在spec/packages，这个目录需要自己建立，也可以是链接到一个目录的链接
- pkgdirs='spec/packages'
-
- # langset is used to specify the language set supported in installation
- # progress. It is a 'colon' separated string.
- # langset 是指定安装程序的语言，可以指定多个，用:分隔，默认的是中文和英文，中文在前。
- langset='zh_CN:en'
- ### Information provided for MagicBooter ###
-
- # welcome message is used to show in the first message box for magicbooter
- # which should be provided in English only. Note that this string will be
- # placed into m4 command and put into C string, so be carefully about '\n'.
- # 下面是指定MI的欢迎词，注意只能是英文
- welcome="Welcome to test MagicLinux!"
-
- # kmods_arrange is map which key is the boot/driver floppy disk name and
- # the value is the modules which should be placed in. The item with 'boot'
- # key specify the modules which should be distributed with boot floppy disk.
- # In the module list, module name can be used directly, directory is also
- # permitted. And item prefixed with '@' will be added forcely, otherwise
- # the modules which are not exists in pcitable will be omitted.
- # 下面这个设置一般不需要调整，你可以不管它。
- # kernel 2.4
- # kmods_arrange = {
- # "boot" : [ '@ext3.o', '@jfs.o', '@ntfs.o', '@reiserfs.o', '@vfat.o' ],
- # "scsi" : [ '@xfs.o', '@sd_mod.o', '@kernel/drivers/md', 'kernel/drivers/scsi' ],
- # "net" : ['@xfs.o', '@kernel/drivers/md', 'kernel/drivers/net' ]
- # }
- # kernel 2.6, fs as module
- #kmods_arrange = {
- # "boot" : [ '@ext3', '@jfs', '@ntfs', '@reiserfs', '@vfat' ],
- # "scsi" : [ '@xfs', 'kernel/drivers/scsi' ],
- ## "net" : ['@xfs', 'kernel/drivers/net' ]
- #}
- # kernel 2.6, fs builtin
- kmods_arrange = {
- "boot" : [ ],
- "scsi" : [ 'kernel/drivers/scsi' ],
- "net" : ['kernel/drivers/net']
- }
- ### Information about package arrangement ###
-
- ######################################################################
- # volume_limit_list is used to divide the packages into several media.
- # Because one CDROM can't store any data more than 650MB, and the current
- # distribution always exceed this limitation, so there should be a way to
- # arrange the packages into more then one CDROMs. volume_limit_list list
- # the volume limitation for each media in bytes.
- # 下面的设置是有关生成的ISO的大小的，单位是Bytes，因为MI可以生成分卷的安装盘，所以可以指定第一个，第二个，第三个等
- # 但通常我们只做一张iso，所以只改第一个即可
- volume_limit_list = [680*1024*1024, 640*1024*1024, 640*1024*1024]
- #下面的两段内容是和选择安装有关的，因为暂时还没实现，所以无用，不用管它
- ######################################################################
- # placement_list is used to list the package that must be put in which media.
- # For example:
- # [['mktemp-1.5-18.i386.rpm'], ['bash-2.05b-20.i386.rpm'], []]
- # which means 'mktemp' must be put into the first media, 'bash' must be put
- # into the first media or second media. and so on.
- #
- #placement_list = [[]]
-
- ######################################################################
- # toplevel_groups is used to create groups for the user convenience.
- # toplevel_groups is a map. The key is the map name, the value is the map
- # package list. This script will resolve the dependency automatically and
- # put it into the output result.
- # Note that the key 'lock' has different meaning, the packages in 'lock'
- # group will be installed forcely.
- # For example:
- # { 'lock': ['bash-2.05b-20.i386.rpm'],
- # 'gnome': ['gnome-desktop-2.2.0.1-4.i386.rpm',
- # 'gnome-applets-2.2.0-8.i386.rpm',
- # ...]}
- #
- #toplevel_groups = {}
- # 下面的内容是关于rpm的依赖的，这段是添加依赖。
- ######################################################################
- # add_deps is used to add the lost dependencies.
- # add_deps is a map which key is the package and the value is the list of
- # the packages that the package depends.
- # For example:
- # { 'libacl1-2.2.4-1.i386.rpm' : ['libattr1-2.2.0-1.i386.rpm'] }
- # 这里是给那些在制作rpm包时没写依赖关系，但安装的时候需要有顺序的包准备的。格式可以参考下面的，一般情况下，不用管它。
- #add_deps = {'kernel-2.6.9-5mgc.i686.rpm' : ['mkinitrd-3.5.22-10mgc.i686.rpm'], 'elfutils-0.76-2.i686.rpm' : ['rpm-python-4.3.3-8mgc.i686.rpm']}
-
- ######################################################################
- # remove_deps is used to resolve the loop dependencies.
- # remove_deps is a map which key is the package and the value is the list of
- # the packages that the package shouldn't remove depends.
- # For example:
- # { 'pam-0.75-49.i386.rpm' : ['initscripts-7.14-9.i386.rpm'] }
- # 这里移掉不需要的依赖（有可能会影响安装），格式和上面的一样，一般情况下，不管它。
- #remove_deps = {}
- # 上面的内容主要是针对一些存在循环依赖问题的包
- # For the detail to deal with loop dependencies between packages, refer to
- # the comments and code in scripts/PkgArrange.py.
-
- #下面一直到最后，都是和自动分区有关的内容，一般情况下我们不用自动分区，所以不用管它
- ######################################################################
- # autopart_profile is used to add the auto-partition
- # profile. autopart_profile is a map which key is the profile and the
- # value is the description and partition definitions.
- #
- # Note that the profile name is used as a XML tag, so please use just
- # letters and numbers. The description will be used to shown in a
- # selection box, and translation is available by updating po files.
- #
- # The part tuple is a form of ("mountpoint", "filesystem", "size")
-
- # - mountpoint can be the mount path of the partitionn or "SWAP" as a
- # swap partition.
-
- # - filesystem can be one of "ext2", "ext3", "reiserfs", "fat16",
- # "fat32", "jfs", "xfs".
- #
- # - size can be size of "64M", "15G", or percents like "50%",
- # "30%". If there's any percents size, the allocation is different,
- # the percents are served as a proportion. For example: the free
- # space is 12G, there're three percents partitions (10%, 90%, 20%)
- # left, so there respective allocated size will be
- # 12G*10/(10+90+20) = 1G, 12G*90/(10+90+20)=9G, 12G*20/(10+90+20)=2G.
- # For exammple:
- # autopart_profile = {
- # 'default' : ["Separated /boot, /, /home",
- # ("/boot", "ext2", "64M"),
- # ("/", "ext3", "5G"),
- # ("/home", "ext3", "100%")],
- # 'custom' : ["Customed autopart profile",
- # ("SWAP", "SWAP", "15G"),
- # ("/", "ext3", "15G"),
- # ("/usr/local", "ext3", "15G"),
- # ("/tmp", "ext3", "15G"),
- # ("/home", "ext3", "100%")]
- # }
- #要是需要修改，可以参考下面的格式。
- autopart_profile = {
- 'default' : ["Single partition with swap",
- ("SWAP", "SWAP", "64M"),
- ("/", "ext3", "100%")],
-
- 'common' : ["Separated /boot, /, /home",
- ("/boot", "ext2", "64M"),
- ("/", "ext3", "128M"),
- ("/home", "ext3", "0")],
-
- 'custom' : ["Customed autopart profile",
- ("SWAP", "SWAP", "15M"),
- ("/", "ext3", "15M"),
- ("/usr/local", "ext3", "15M"),
- ("/tmp", "ext3", "15M"),
- ("/home", "ext3", "0")]
- }
在spec这个目录，还可以存在另一个文件，就是post_install.sh，这个是在安装后执行的脚本，你可以自己建立，注意，这个脚本是在安装系统完成后，chroot进新系统执行的，并不是在MI的环境下执行，所以要考虑新系统下可以正常运行才，目前MagicLinux主要用它来修正一些在安装阶段没有正确执行的rpm脚本。但是你可以用它来做其它的事情，比如对系统的预配置等。 |
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