RFR: 255: Improve git repository health check

[Robin Westberg]

Hi all,

Please review this change that improves the accuracy of the git repository health check.

Best regards,
Robin

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Commits:
 - 00270149: Use git fsck for the health check

Changes: https://git.openjdk.java.net/skara/pull/393/files
 Webrev: https://webrevs.openjdk.java.net/skara/393/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-255
  Stats: 13 lines in 1 file changed: 0 ins; 11 del; 2 mod
  Patch: https://git.openjdk.java.net/skara/pull/393.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/393/head:pull/393

PR: https://git.openjdk.java.net/skara/pull/393