Re: Argument list too long when fetching many missing objects from partial clone

From: Jeff Hostetler <git@jeffhostetler.com>
Date: Mar 1, 2021, 19:21 UTC
Message-ID: <be2a9647-3e3c-b88f-0f86-729dba5488c3@jeffhostetler.com>
In-Reply-To: <fd1ba192-b90c-ef20-0843-c0e47925c76a@gmail.com>

On 3/1/21 8:18 AM, Bagas Sanjaya wrote:

Show 25 quoted lines

> Thank you for filling out a Git bug report!
> Please answer the following questions to help us understand your issue.
> 
> What did you do before the bug happened? (Steps to reproduce your issue)
> 
> I'm poking around with partial clone. On my local server on my computer
> I have full clone of Git (git.git) repo.
> 
> I do partial clone from that server as remote (which is actually on the 
> same
> computer):
> 
>     git clone https://my-local-server.git/myself/git.git --filter=blob:none
> 
> Inside the partial clone, I tried to convert it to full clone. First, I 
> gather
> list of missing objects:
> 
>     git rev-list --objects --all --missing=print | grep -oP '^\?\K\w+' > 
> .git/missing.list
> 
> Then I fetched those:
> 
>     git fetch origin $(cat .git/missing.list)
>

That command will build a very very long command line and cause the shell to complain. Instead, try passing the list of objects via stdin.

     $ cat .git/missing.list | git fetch --stdin origin

Show 41 quoted lines

> What did you expect to happen? (Expected behavior)
> 
> All missing objects fetched successfully
> 
> What happened instead? (Actual behavior)
> 
> Git returned:
> 
>      -bash: /opt/git/bin/git: Argument list too long
> 
> What's different between what you expected and what actually happened?
> 
> (nothing)
> 
> Anything else you want to add:
> 
> I think the problem lies on how to feed list of 110K+ objects to `git 
> fetch`.
> 
> Note: Both the local server and the computer use Git 2.30.1
> 
> Please review the rest of the bug report below.
> You can delete any lines you don't wish to share.
> 
> [System Info]
> git version:
> git version 2.30.1
> cpu: x86_64
> built from commit: 773e25afc41b1b6533fa9ae2cd825d0b4a697fad
> sizeof-long: 8
> sizeof-size_t: 8
> shell-path: /bin/sh
> uname: Linux 5.10.11-kernelorg-upstream-generic #1 SMP Fri Jan 29 
> 12:56:19 WIB 2021 x86_64
> compiler info: gnuc: 9.3
> libc info: glibc: 2.31
> $SHELL (typically, interactive shell): /bin/bash
> 
> [Enabled Hooks]
> (none)
>