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  1. Jenkins
  2. JENKINS-39703

API to read a single file from the repository

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    • Sprint:
      frank, tethys, christmas

      Description

      Requirements

      • Read natively from any branch of a Git repository hosted on Github
      • Read from any branch of a Git repository
      • Must maintain compatibility with Jenkins 2.7.1 and above

      Desired user experience

      Notes
      Jesse Glick said there is beginnings of this in the scm-api but no implementations.

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            Hide
            michaelneale Michael Neale added a comment - - edited

            Ah right - yes it is a git standard, of course. Of course sha1 is topical this week...

            In any case, this ticket can be closed, I consider it done (now have seen it working). There is a follow on for github specific fields/properties which isn't needed right now.

            Show
            michaelneale Michael Neale added a comment - - edited Ah right - yes it is a git standard, of course. Of course sha1 is topical this week... In any case, this ticket can be closed, I consider it done (now have seen it working). There is a follow on for github specific fields/properties which isn't needed right now.
            Hide
            vivek Vivek Pandey added a comment -

            I have opened to get GitHub API returned data (sha included), https://issues.jenkins-ci.org/browse/JENKINS-42270. We definitely need sha and other elements returned by GitHub should be pretty much pass thru, otherwise it defeats the purpose of consumers who are really interested in getting content data specific to GitHub.

            For now I am using 'git' way of computing sha, its a hack for now as who knows git changes it in future, better I get it from upstream library/github directly:

            DigestUtils.sha1Hex("blob " + data.length() + "\0" + data)
            
            Show
            vivek Vivek Pandey added a comment - I have opened to get GitHub API returned data (sha included), https://issues.jenkins-ci.org/browse/JENKINS-42270 . We definitely need sha and other elements returned by GitHub should be pretty much pass thru, otherwise it defeats the purpose of consumers who are really interested in getting content data specific to GitHub. For now I am using 'git' way of computing sha, its a hack for now as who knows git changes it in future, better I get it from upstream library/github directly: DigestUtils.sha1Hex( "blob " + data.length() + "\0" + data)
            Hide
            michaelneale Michael Neale added a comment -

            Jesse Glick I probably worded that poorly - the sha is required at some point or else you won't be able to save back any changes.
            In theory this can be calculated, but github don't specify the 11 secret herbs and spices for how it is calculated.

            All I found was this: http://stackoverflow.com/questions/39873507/how-to-calculate-sha-from-a-string-with-the-github-api-in-python

            which uses a string involving "blob" and length (wut? why?) - which implies they may change how it is calculated, and that is why they return it on content load.

            So it may be required on load (hopefully not though).

            Show
            michaelneale Michael Neale added a comment - Jesse Glick I probably worded that poorly - the sha is required at some point or else you won't be able to save back any changes. In theory this can be calculated, but github don't specify the 11 secret herbs and spices for how it is calculated. All I found was this: http://stackoverflow.com/questions/39873507/how-to-calculate-sha-from-a-string-with-the-github-api-in-python which uses a string involving "blob" and length (wut? why?) - which implies they may change how it is calculated, and that is why they return it on content load. So it may be required on load (hopefully not though).
            Hide
            jglick Jesse Glick added a comment -

            Michael Neale that is tracked as JENKINS-42080.

            Show
            jglick Jesse Glick added a comment - Michael Neale that is tracked as JENKINS-42080 .
            Hide
            michaelneale Michael Neale added a comment -

            Patrick Wolf currently it is missing returning the content sha to allow saving back to github - Vivek is looking if we can calculate this to make it unnecessary, otherwise we won't be able to use it for the purposes of load/save just yet.

            Show
            michaelneale Michael Neale added a comment - Patrick Wolf currently it is missing returning the content sha to allow saving back to github - Vivek is looking if we can calculate this to make it unnecessary, otherwise we won't be able to use it for the purposes of load/save just yet.

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              • Assignee:
                stephenconnolly Stephen Connolly
                Reporter:
                jamesdumay James Dumay
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                  Updated:
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