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Getting this error when i try to pull the latest code from the server : 

Fetch failed
                error: inflate: data stream error (unknown compression method)
                error: unable to unpack bd808e4d3216bcf22641e082379db122859b367b header
                fatal: SHA1 COLLISION FOUND WITH bd808e4d3216bcf22641e082379db122859b367b !
                fatal: index-pack failed
Parth Anjaria
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1 Answers1

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Check first if the issue persists when:

  • using the latest Git version
  • and cloning the repo again (instead of pulling)

Then, following "git fatal: SHA1 COLLISION FOUND", try:

git prune
git gc

(to see if any error message pops up)

If you have changes, you can easily integrate them back to a new clone:

git clone /url/repo newfolder
cd newfolder
git --work-tree=/path/to/old/folder add .
git commit -m "import work in progress"
VonC
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  • i tried that, and deleted 2 files which showed erorr. but now getting this error which does not define which file is being deleted. error : warning: reflog of 'HEAD' references pruned commits warning: reflog of 'refs/heads/master' references pruned commits warning: reflog of 'refs/remotes/origin/master' references pruned commits error: Could not read c51a32f3856b20c13bb23006d6e0ff1a84d2e092 fatal: bad tree object c51a32f3856b20c13bb23006d6e0ff1a84d2e092 – Parth Anjaria Jul 01 '17 at 06:14
  • Note: I very much doubt this is a shattered.io -type of SHA1 collision I detailed in https://stackoverflow.com/a/42450327/6309. – VonC Jul 01 '17 at 06:14
  • @ParthAnjaria What cloning again (in another local folder) would yield? – VonC Jul 01 '17 at 06:14
  • ill try that now, but in that case ill have to add my changes manually to the new project, i wanted to avoid that, so as last resort i tried asking the question here. – Parth Anjaria Jul 01 '17 at 06:16
  • @ParthAnjaria Do you mean work in progress not yet committed? Or multiple local commits not yet pushed? – VonC Jul 01 '17 at 06:18
  • work was commited and pushed in one PC. now in other PC i am trying to update the code and pulling it from the server, so getting this issue – Parth Anjaria Jul 01 '17 at 09:45
  • @ParthAnjaria in that case, no problem: your clone will download the commits pushed from one PC. All you need to do, after the clone, is to checkout the branch you were working on: if those commits were pushed form one PC, you will find them in your clone. – VonC Jul 01 '17 at 09:50