Change `fetchInputGit' to do `git clone -b BRANCH' instead of `git clone'.

Dependencies

• [2] C7CXMZ66 hydra: do not perform git clone every time. in stead work on local clone and pull
• [3] BK24VA6Q * for git inputs, check latest revision of branch (defaults to master for now), if there is change, only use input if last checkout was > hour ago.
• [4] CHQEG6WY Hydra/29: Added timeout to svn/git checkouts, job evaluation
• [*] OOQ2D3KC * Refactoring: move fetchInput out of hydra_scheduler into a separate

Change contents

• replacement in src/lib/Hydra/Helper/AddBuilds.pm at line 305
  [2.124]→[2.124:179](∅→∅)
  − $clonePath = scmPath . "/" . sha256_hex($uri);
  [2.124]

  [2.179]
  + $clonePath = scmPath . "/" . sha256_hex($uri . $branch);
• replacement in src/lib/Hydra/Helper/AddBuilds.pm at line 310
  [2.271]→[2.271:320](∅→∅)
  − ("git", "clone", $uri, $clonePath));
  [2.271]

  [2.320]
  + ("git", "clone", "--branch", $branch, $uri, $clonePath));