RE: With big repos and slower connections, git clone can be hard to work with

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On Monday, July 8, 2024 1:06 PM, ellie wrote:
>On 7/8/24 6:23 PM, rsbecker@xxxxxxxxxxxxx wrote:
>> On Monday, July 8, 2024 11:49 AM, ellie wrote:
>>> On 7/8/24 5:31 PM, rsbecker@xxxxxxxxxxxxx wrote:
>>>> On Monday, July 8, 2024 11:15 AM, ellie wrote:
>>>>> On 7/8/24 4:32 PM, Konstantin Khomoutov wrote:
>>>>>> On Mon, Jul 08, 2024 at 04:28:25AM +0200, ellie wrote:
>>>>>>
>>>>>> [...]
>>>>>>> error: RPC failed; curl 92 HTTP/2 stream 5 was not closed cleanly:
>>>>>>> CANCEL (err 8)
>>>>>> [...]
>>>>>>> It seems extremely unlikely to me to be possibly an ISP issue,
>>>>>>> for which I already listed the reasons. An additional one is
>>>>>>> HTTPS downloads from github outside of git, e.g. from zip
>>>>>>> archives, for way larger files work fine as well.
>>>>>> [...]
>>>>>>
>>>>>> What if you explicitly disable HTTP/2 when cloning?
>>>>>>
>>>>>>      git -c http.version=HTTP/1.1 clone ...
>>>>>>
>>>>>> should probably do this.
>>>>>>
>>>>>
>>>>> Thanks for the idea! I tested it:
>>>>>
>>>>> $  git -c http.version=HTTP/1.1 clone
>>>>> https://github.com/maliit/keyboard
>>>>> maliit-keyboard
>>>>> Cloning into 'maliit-keyboard'...
>>>>> remote: Enumerating objects: 23243, done.
>>>>> remote: Counting objects: 100% (464/464), done.
>>>>> remote: Compressing objects: 100% (207/207), done.
>>>>> error: RPC failed; curl 18 transfer closed with outstanding read
>>>>> data remaining
>>>>> error: 5361 bytes of body are still expected
>>>>> fetch-pack: unexpected disconnect while reading sideband packet
>>>>> fatal: early EOF
>>>>> fatal: fetch-pack: invalid index-pack output
>>>>>
>>>>> Sadly, it seems like the error is only slightly different. It was
>>>>> still worth a try. I contacted GitHub support a while ago but it
>>>>> got stuck. If there were resume available such hiccups wouldn't
>>>>> matter, I hope that explains why I suggested that feature.
>>>>
>>>> I don't really understand what "it got stuck" means. Is that a
>>>> colloquialism? What
>>> got stuck? That case at GitHub?
>>>>
>>>> Have you tried git config --global http.postBuffer 524288000
>>>>
>>>> It might help. The feature being requesting, even if possible, will
>>>> probably not
>>> happen quickly, unless someone has a solid and simple design for
>>> this. That is why we are trying to figure out the root cause of your
>>> situation, which is not clear to me as to what exactly is failing (possibly a buffer
>size issue, if this is consistently failing).
>>> My experience, as I said before, on these symptoms, is a proxy (even
>>> a local one) that is in the way. If you have your linux instance on a
>>> VM, the hypervisor may not be configured correctly. Lack of further
>>> evidence (all we really have is the curl RPC
>>> failure) makes diagnosing this very difficult.
>>>>
>>>
>>> Thanks for your response, I appreciate it. I don't know what the hold
>>> up is for them, but I'm probably too unimportant, which I understand.
>>> I'm not an enterprise user, and >99% of others have faster
>>> connections than me which is perhaps why they dodge this config(?) issue.
>>>
>>> And thanks for your suggestion, but sadly it seems to have no effect:
>>>
>>> $ git config --global http.postBuffer 524288000 $ git -c
>>> http.version=HTTP/1.1 clone https://github.com/maliit/keyboard
>>> maliit-keyboard
>>> Cloning into 'maliit-keyboard'...
>>> remote: Enumerating objects: 23243, done.
>>> remote: Counting objects: 100% (464/464), done.
>>> remote: Compressing objects: 100% (207/207), done.
>>> error: RPC failed; curl 18 transfer closed with outstanding read data
>>> remaining
>>> error: 2444 bytes of body are still expected
>>> fetch-pack: unexpected disconnect while reading sideband packet
>>> fatal: early EOF
>>> fatal: fetch-pack: invalid index-pack output
>>>
>>> I'm doubtful this is solvable without either some resume or a fix from Github's
>end.
>>> But I can use SSH clone so this isn't urgent.
>>>
>>> Resume just seemed like an idea that would also help others, and it's
>>> what makes many other internet services work much better for me.
>>
>> I do not know which pack file is having the issue - it may be the first one. Try
>running with the following environment variables GIT_TRACE=true and
>GIT_PACKET_TRACE=true. This will not correct the problem but might give
>additional helpful information. git uses libcurl to perform https transfers - which
>appears to be where the error is coming from. It is my opinion, given the issue is
>very likely in curl, that a restart capability will not help at all - at least not until we
>find the actual root cause (still mostly an unknown, although this error is widely
>discussed online in other non-git places). The failure appears to be transferring a
>single pack file (139824442 bytes) size may be an issue, but restarting in the middle
>of a pack file may not solve the problem (discussed in other threads) as the file is
>potentially built on demand (as I understand it from GitHub) and may not be the
>same on the next clone attempt. What we probably will find is that a restart will be
>stuck in the same spot and not move forward because the failure is not at a file
>boundary.
>>
>> In addition to this, GitHub may have limits on the size of files that can be
>transferred, which you might be hitting (unlikely but possible). Check your plan
>options. I tried on a light plan, so this is unlikely but I want to exclude it.
>>
>>
>I attached the output of this command:
>
>$ GIT_TRACE=true GIT_PACKET_TRACE=true git -c http.version=HTTP/1.1 clone
>https://github.com/malii t/keyboard maliit-keyboard > log.txt 2>&1
>
>My best guess is still that due to some unfortunate timeout choice, Github's end
>simply becomes impatient and closes the connection.

18:44:33.182907 git.c:465               trace: built-in: git clone https://github.com/maliit/keyboard maliit-keyboard
Cloning into 'maliit-keyboard'...
18:44:33.186926 run-command.c:657       trace: run_command: git remote-https origin https://github.com/maliit/keyboard
18:44:33.188668 git.c:750               trace: exec: git-remote-https origin https://github.com/maliit/keyboard
18:44:33.188728 run-command.c:657       trace: run_command: git-remote-https origin https://github.com/maliit/keyboard
18:44:34.757740 run-command.c:657       trace: run_command: git index-pack --stdin --fix-thin '--keep=fetch-pack 14261 on elliedeck' --check-self-contained-and-connected
18:44:34.759305 git.c:465               trace: built-in: git index-pack --stdin --fix-thin '--keep=fetch-pack 14261 on elliedeck' --check-self-contained-and-connected
error: RPC failed; curl 18 transfer closed with outstanding read data remaining
error: 5858 bytes of body are still expected
fetch-pack: unexpected disconnect while reading sideband packet
fatal: early EOF
fatal: fetch-pack: invalid index-pack output


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