Re: [Xen-devel] [PATCH] ioemu: Clone ioemu with --depth=1

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

On 11/01/2011 01:33 PM, Jean Guyader wrote:
> 
> Signed-off-by: Jean Guyader <jean.guyader@xxxxxxxxxx>
> 
> diff --git a/tools/Makefile b/tools/Makefile
> index 9389e1f..6c1dfe0 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -92,7 +92,7 @@ ioemu-dir-find:
>               if [ ! -d ioemu-remote ]; then \
>                       rm -rf ioemu-remote ioemu-remote.tmp; \
>                       mkdir ioemu-remote.tmp; rmdir ioemu-remote.tmp; \
> -                     $(GIT) clone $(CONFIG_QEMU) ioemu-remote.tmp; \
> +                     $(GIT) clone --depth=1 $(CONFIG_QEMU) ioemu-remote.tmp; 
> \
>                       if [ "$(QEMU_TAG)" ]; then                      \
>                               cd ioemu-remote.tmp;                    \
>                               $(GIT) branch -D dummy >/dev/null 2>&1 ||:; \

This will break if QEMU_TAG is pointing to any commit that is more than
one commit away from a branch or tag in the source repository. In order
to allow using older xen repositories, this requires that every update
to QEMU_TAG in xen-*.hg also add a tag or branch to the git repository.

It would be nice if you could use git clone --branch $(QEMU_TAG)
but this is not supported when $(QEMU_TAG) is a commit ID.

-- 
Daniel De Graaf
National Security Agency

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