Re: Bug Report: Subtrees and GPG Signed Commits

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Hi, just following up on this bug report. I have not heard back. Is
there additional information that's needed? Is there a better place to
file bug reports?

Thanks

On Sat, Jan 6, 2018 at 5:45 PM, Stephen R Guglielmo
<srguglielmo@xxxxxxxxx> wrote:
> Hi all,
>
> I've noticed an issue regarding the use of `git subtree add` and `git
> subtree pull` when the subtree repository's commit (either HEAD or
> whatever commit specified by the subtree command) is signed with GPG.
> It seems to work properly if the commit is not signed but previous
> commits are.
>
> The gist of the issue is that `git subtree add` does not add the
> subree properly and a "fatal: Not a valid object name" error is
> thrown. Running `git subtree pull` does not pull any upstream changes
> after that ("'subtree' was never added").
>
> I have not done extensive testing, however, below are instructions to
> reproduce the issue. This was tested using git version 2.15.1
> installed via Homebrew on MacOS. I did not test with the built-in
> version of git on MacOS.
>
> Thanks,
> Steve
>
> # Create a new repository
> mkdir repoA && cd repoA
> git init
> echo "Test File in Repo A" > FileA
> git add -A && git commit -m 'Initial commit in repo A'
>
> # Create a second repository
> cd .. && mkdir repoB && cd repoB
> git init
> echo "Test File in Repo B" > FileB
> git add -A && git commit -m 'Initial commit in repo B'
>
> # Create a signed commit in repo B
> echo "Signed Commit" >> FileB
> git commit -a -S  -m 'Signed commit in repo B'
>
> # Now, add repoB as a subtree of RepoA
> cd ../repoA
> git subtree add --prefix repoB_subtree/ ../repoB/ master --squash
> # Output:
> git fetch ../repoB/ master
> warning: no common commits
> remote: Counting objects: 6, done.
> remote: Compressing objects: 100% (2/2), done.
> remote: Total 6 (delta 0), reused 0 (delta 0)
> Unpacking objects: 100% (6/6), done.
> From ../repoB
>  * branch            master     -> FETCH_HEAD
> fatal: Not a valid object name gpg: Signature made Sat Jan  6 17:38:31 2018 EST
> gpg:                using RSA key 6900E9CFDD39B6A741D601F50999759F2DCF3E7C
> gpg: Good signature from "Stephen Robert Guglielmo (Temple University
> Computer Services) <srg@xxxxxxxxxx>" [ultimate]
> Primary key fingerprint: 6900 E9CF DD39 B6A7 41D6  01F5 0999 759F 2DCF 3E7C
> 4b700b1a4ebb9e2c1011aafd6b0f720b38f059a4
> # Note, git exits with status 128 at this point.
>
> # FileB was in fact added and staged to repoA, despite the "fatal"
> above. Commit it:
> git commit -m 'Add repoB subtree'
>
> # Ok, let's make another commit in repoB and try a `subtree pull`
> instead of `subtree add`
> cd ../repoB
> echo "Another Line" >> FileB
> git commit -a -S -m 'Another signed commit'
> cd ../repoA
> git subtree pull --prefix repoB_subtree/ ../repoB master --squash
> # Output:
> warning: no common commits
> remote: Counting objects: 9, done.
> remote: Compressing objects: 100% (3/3), done.
> remote: Total 9 (delta 0), reused 0 (delta 0)
> Unpacking objects: 100% (9/9), done.
> From ../repoB
>  * branch            master     -> FETCH_HEAD
> Can't squash-merge: 'repoB_subtree' was never added.
> # Note, git exits with status 1 at this point.
>
> # RepoB's third commit ('Another signed commit') is not pulled into
> the subree in repo A.
> # This can be verified by running a diff:
> diff -qr --exclude ".git" repoB_subtree ../repoB
> # Output:
> Files repoB_subtree/FileB and ../repoB/FileB differ



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