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On Thu, 2005-07-07 at 15:14 -0400, Paul Smith wrote: |
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> %% Eric Edgar <rocket@g.o> writes: |
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> |
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> ee> You technically cannot extract the cpio archive as far as I can tell |
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> ee> because it really is multiple cpio archives concatenated together. |
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> |
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> Ah! OK. |
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> |
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> ee> cd ${INITRAMFS_OVERLAY} |
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> ee> find . -print | cpio --quiet -o -H newc | gzip -9 > ${CACHE_DIR}/cpio/initramfs-overlay.cpio.gz |
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> ee> cat old-oldinitramfs.cpio.gz initramfs-overlay.cpio.gz > new-initramfs.cpio.gz |
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> |
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> Wait, that's not right is it? |
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That's right. |
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From the genkernel code: |
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cat ${MERGE_LIST} > ${TEMP}/initramfs-${KV} |
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Each of those files in ${MERGE_LIST} are cpio.gz files. |
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> Is the initramfs really a concatenation of compressed cpio files? I |
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> don't think it is... gzip can't handle that. |
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Yes, it is. |
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> It must be a compression of a concatenation of cpio files, right? In |
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> that case the above command line is not correct... I'd need to create |
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> the cpio file, concatenate it to an uncompressed copy of the existing |
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> initramfs, then compress the whole thing again. |
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> |
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> Yes? |
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Nope. |
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=] |
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-- |
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Chris Gianelloni |
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Release Engineering - Strategic Lead/QA Manager |
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Games - Developer |
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Gentoo Linux |
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