[Rev 01] RFR: build: respect git's http.proxy setting

[Erik Helin]

> Hi all,
> 
> please review this small patch that makes the `gradlew` script respect git's
> `http.proxy` setting.
> 
> Testing:
> - Manual testing of `sh gradlew`
> 
> Thanks,
> Erik

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

  Check if git exists

-------------

Changes:
  - all: https://git.openjdk.java.net/skara/pull/586/files
  - new: https://git.openjdk.java.net/skara/pull/586/files/b7f4bf77..549837f8

Webrevs:
 - full: https://webrevs.openjdk.java.net/skara/586/webrev.01
 - incr: https://webrevs.openjdk.java.net/skara/586/webrev.00-01

  Stats: 8 lines in 1 file changed: 2 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/skara/pull/586.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/586/head:pull/586

PR: https://git.openjdk.java.net/skara/pull/586