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Cloning from a repository with more than 256 refs (heads and tags
included) will choke, because upload-pack has a built-in limit of
feeding not more than MAX_NEEDS (currently 256) heads to underlying
git-rev-list. This is a problem when cloning a repository with many
tags, like http://www.linux-mips.org/pub/scm/linux.git, which has 290+
tags.
This commit introduces a new flag, --all, to git-rev-list, to include
all refs in the repository. Updated upload-pack detects requests that
ask more than MAX_NEEDS refs, and sends everything back instead.
We may probably want to tweak the definitions of MAX_NEEDS and
MAX_HAS, but that is a separate topic.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Solaris 8 doesn't have the newer unsetenv() and setenv()
functions, so replace them with putenv(). The one use of
unsetenv() in fsck-cache.c now sets GIT_ALTERNATE_OBJECT_
DIRECTORIES to the empty string. Every place that var
is used, NULLs are also replaced with empty strings, so
it's ok.
Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu>
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Do the default "try xyz.git xyz fails" thing for the directory we get
passed in.
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Now that git-clone-pack exists, we actually have somebody requesting
more than just a single head in a pack. So allow the Jeff's of this
world to clone things with tens of heads.
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"git_path()" returns a static pathname pointer into the git directory
using a printf-like format specifier.
"head_ref()" works like "for_each_ref()", except for just the HEAD.
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It returns the result SHA1 on stdout, so you can do
remote=$(git-fetch-pack host:dir branchname)
and it will unpack the objects and "remote" will be the SHA1 name of the
branch on the other side. You can then save that off, or merge it, or
whatever.
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Now the only piece missing is actually generating the pack-file.
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It's meant to be used by "git fetch" for the local and ssh case.
It doesn't actually do the fetching now, but it does discover the common
commit point.
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