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Bug report: stash in upstream caused remote fetch to fail

DISCUSSION Andrew Walrond 1 participant 2 messages Jun 15, 2016 1 message not in the archive

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Andrew Walrond

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#0 lore raw

A bit of cut and paste will explain better than me...

LOCAL $ git remote update

    Fetching origin
    remote: Counting objects: 25, done.
    remote: Compressing objects: 100% (12/12), done.
    remote: Total 13 (delta 10), reused 0 (delta 0)
    Unpacking objects: 100% (13/13), done.
    fatal: bad object fa0da15b2ea5cc3e4eb9ed414b99d6a9d7da7864
    error: git://git.heresymail.org/lib%2Fmpfr did not send all necessary
    objects

UPSTREAM $ git fsck

    dangling blob ded848b21db04fcadf77a4a5d9f81955b4315c9f
    dangling blob 9c3976919b3cee56eabc3c9c9dfe5d223ce32686
    dangling blob e17ab25a3a91bed830ddb06da4af1132434d5ee4
    dangling blob 20a612ab361058838f680d72c1f4f8cb462ce1a2

UPSTREAM $ git gc

    Counting objects: 974, done.
    Delta compression using up to 8 threads.
    Compressing objects: 100% (954/954), done.
    Writing objects: 100% (974/974), done.
    Total 974 (delta 572), reused 0 (delta 0)

LOCAL $ git remote update

    Fetching origin
    remote: Counting objects: 25, done.
    remote: Compressing objects: 100% (10/10), done.
    remote: Total 13 (delta 3), reused 11 (delta 2)
    Unpacking objects: 100% (13/13), done.
    fatal: bad object fa0da15b2ea5cc3e4eb9ed414b99d6a9d7da7864
    error: git://git.heresymail.org/lib%2Fmpfr did not send all necessary
    objects

LOCAL $ DELETE LOCAL REPO

LOCAL $ git clone <upstream>

    Cloning into bare repository '/src/lib/mpfr'...
    remote: Counting objects: 972, done.
    remote: Compressing objects: 100% (382/382), done.
    remote: Total 972 (delta 570), reused 971 (delta 570)
    Receiving objects: 100% (972/972), 2.01 MiB, done.
    Resolving deltas: 100% (570/570), done.
    error: refs/stash does not point to a valid object!

UPSTREAM $ git stash list

    stash@{0}: WIP on (no branch): f648dd0 Import 3.1.0 from tarball

UPSTREAM $ git stash clear

LOCAL $ DELETE LOCAL REPO

LOCAL $ git clone <upstream>

    Cloning into bare repository '/src/lib/mpfr'...
    remote: Counting objects: 972, done.
    remote: Compressing objects: 100% (382/382), done.
    remote: Total 972 (delta 570), reused 971 (delta 570)
    Receiving objects: 100% (972/972), 2.01 MiB, done.
    Resolving deltas: 100% (570/570), done.

UPSTREAM $ git version

    git version 1.7.8.2

LOCAL $ git version

    git version 1.7.8.2

Hope that's useful!

Andrew Walrond

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#2 lore raw
Quoted 5 lines · Thomas Rast

Do you, by any chance, still have a copy of the upstream repo before you trashed the stash? It would be interesting to know whether there was actually some repository corruption going on (that went unnoticed by fsck, no less) or if there was a bug in the transmission.

I tried to reproduce the problem but without success :( Disk corruption is unlikely - raided drives etc etc. More likely stash related somehow as I was applying patches manually on older versions checked out in a temp branch, stashing the results then applying the stash onto master/HEAD.
But why was a remote clone involved with the upstream stash at all I wonder??

Andrew Walrond