RFR: 1283: Test failures with Mercurial 6.0 [v2]

[Erik Joelsson]

> Adjust ext.py to handle Mercurial versions 6.0+.

Erik Joelsson has updated the pull request incrementally with one additional commit since the last revision:

  Compare as int

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Changes:
  - all: https://git.openjdk.java.net/skara/pull/1261/files
  - new: https://git.openjdk.java.net/skara/pull/1261/files/721768f0..4c6a65aa

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=skara&pr=1261&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=skara&pr=1261&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/1261.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/1261/head:pull/1261

PR: https://git.openjdk.java.net/skara/pull/1261