Revert "Use git fetch --all to update local clone in stead of git pull. Also, do not use --branch in initial clone."

Dependencies

• [2] PNPT3Y7R Use git fetch --all to update local clone in stead of git pull. Also, do not use --branch in initial clone.
• [3] CHQEG6WY Hydra/29: Added timeout to svn/git checkouts, job evaluation
• [4] C7CXMZ66 hydra: do not perform git clone every time. in stead work on local clone and pull
• [5] BMSQD2ZH Indentation
• [6] 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.
• [7] UO67NQMR Change `fetchInputGit' to do `git clone -b BRANCH' instead of `git clone'.
• [*] OOQ2D3KC * Refactoring: move fetchInput out of hydra_scheduler into a separate

Change contents

• replacement in src/lib/Hydra/Helper/AddBuilds.pm at line 331
  [3.271]→[2.0:49](∅→∅)
  − ("git", "clone", $uri, $clonePath));
  [3.271]

  [3.320]
  + ("git", "clone", "--branch", $branch, $uri, $clonePath));
• replacement in src/lib/Hydra/Helper/AddBuilds.pm at line 338
  [3.175]→[2.50:86](∅→∅)
  − ("git", "fetch", "--all"));
  [3.175]

  [3.483]
  + ("git", "pull"));