Bjørn Forsman bjornfor
bjornfor
/ deterministic-git-test.sh
Last active
August 29, 2015 14:15
Test if git clones (at specific revision) can be deterministic
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| #!/usr/bin/env bash | |
| # A test to see if a deterministic fetchgit with leaveDotGit is possible. | |
| # Short answer; yes. | |
| # | |
| # Q: Can .git/index be deterministic? | |
| # A: No, impossible (it contains inode numbers). If you *must* have it, remove | |
| # it before calculating checksums, then re-create it from the repo contents. | |
| create_annotated_tag() | |
| { |
bjornfor
/ fetchgit-leaveDotGit non-deterministic
Created
July 1, 2015 11:40
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| Old clone (git-export) diffed against new-clone (possibly fetched with newer git. | |
| diff -uNr /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/info/refs /home/bfo/new-clone/.git/info/refs | |
| --- /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/info/refs 1970-01-01 01:00:01.000000000 +0100 | |
| +++ /home/bfo/new-clone/.git/info/refs 2015-07-01 13:35:13.632206482 +0200 | |
| @@ -1 +1,8 @@ | |
| 5e29263871cafe31c5ea77bc1ac0a765982fd645 refs/heads/fetchgit | |
| +0bd698d90136380225a95edc4ff36ff052632673 refs/tags/show | |
| +4a549566dbffdb14e1913680e0a264d233adcfc8 refs/tags/v0.0 | |
| +0dc48e2023764f4eeb9e0dbf040e02ee1872ce8d refs/tags/v0.0^{} |