Checkout & Sync 55.0.2883.105 - "fatal: reference is not a tree"

[Joel Winarske]

Hi folks,

I'm trying to enlist 55.0.2883.105, and I'm seeing missing commit hash in submodule:

$ git fetch --tags

$ git checkout 55.0.2883.105

$ gclient sync --with_branch_heads

Syncing projects:  21% (16/76) src/third_party/catapult

src/buildtools (ERROR)

----------------------------------------

[0:00:00] Started.

----------------------------------------

Error: Command 'git checkout --quiet 39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa' returned non-zero exit status 128 in /media/joel/ssd2/chrome/src/buildtools

fatal: reference is not a tree: 39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa

$ 

I seem to hit this on all the attempts enlisting a tag.  In multiple cases I "rm -rf *" the directory and try with a new enlistment, ending in the same pattern.

What am I missing?

Thanks,

Joel

[Joel Winarske]

I originally pulled the tree with:

  fetch --nohooks --no-history chromium

So there was no local history of the commit I was trying to go to.  I resolved it by navigating to the submodule, and issued:

  git fetch origin 39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa

It seems this should be part of the error handling in "gclient sync" - if git not tree error, run "git fetch origin <commit>.

Cheers,

Joel

[Joel Winarske]

Running "git fetch origin 39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa", isn't the complete solution.

Prior to the "git fetch origin ..." I had run:

  git fetch --depth=6

Which gave me a false positive.

6 is how far I was off based on looking at the commit list.

I'm sure there is a better way, other than getting complete history on first fetch?

[Primiano Tucci]

If you fetch with no history than you can't easily checkout older releases that require the history.

There is a workaround I posted a number of times in this ML and it involves un-shallowing the affected repos.

Unfortunately git doesn't easily allow to fetch a ref which is behind the shallowing point.

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