On Tue, 2 Jul 2013 07:51:18 -0700 (PDT)
Muthu <n.petchimu...@gmail.com> wrote:
> I'm a new one for git. I need to execute some code standards in my
> server (git repository).
> But i'm unable to execute the codecheck process for the new branch
> commits pushed by client. Its working for the existing branch.
> I'm using update hook for executing this codecheck process.
> old-sha1 value for the new branch is
> So, I got the below mentioned error.
> fatal: Invalid revision range
> Kindly help me how to proceed this one.
pre/post-receive hooks in Git receive one or more lines on their
standard input, each consisting of a reference name to be updated, the
SHA-1 name of the previous commit it pointed to, *if any,* and the
SHA-1 name of the current commit the ref should be made point to.
Obviously, if there's no previous commit, the matching SHA-1 will be
bogus. The manual page  explicitly says that for new refs this value
is 40 ASCII characters of decimal zero: "When creating a new ref,
<old-value> is 40 0.".
Hence your pre/post-receive hook should just check if it sees such an
all-zeroes old SHA-1 value and act accordingly -- for a start, do not
try to use it in a revision range as you're doing now.
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