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gw: always execute from same dir that gradle or gradlew would (#22) #27

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@javabrett javabrett commented Nov 28, 2017

This PR addresses #22:

  • Commit 1
    • adds a gradle build for gw itself, just as a convenient way of running some script-tests.
    • adds a Travis build for running those tests.
    • adds test which run both before and after a gradle-wrapper is installed, testing gradle and gradlew wrapping behaviour. The test fails - it is testing that the correct subproject task is executed in a subproject without a build.gradle, and checks the behaviour is the same for all four of gradle, gradlew, gw->gradle, gw->gradlew.
  • Commit 2 fixes by removing the cd to the closest ancestor dir with a build.gradle.

In a properly constructed multi-project Gradle project this should make no difference - Gradle doesn't require you to run -b ../../......../build.gradle and gw should not assume you want to run from the rootProject, because neither gradle nor gradlew do.

Test framework uses a bash script to exercise gw.  It assumes that at least "gradle" is
installed and that "gradlew" is not installed in a parent path to the project build.

The tests should be run once before and once after a gradle wrapper has been installed.
Refer to .travis.yml for details.

As of this commit the test will fail.
gdubw#22.

gw should match the behaviour of both "gradle" and "gradlew" without surprises.
Prior to this change, if there is a subproject without its own build.gradle, gw
will change-up to some ancestor project which does have a build.gradle. This results
in different behaviour to "gradle" and "gradlew" when executed from the same
location.

This change removes the cd.  A proper gradle multi-project structure will
still allow the resulting gradle runtime to locate the root project and its
build.gradle.
@yeshvantbhavnasi
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Seems like this is already changed.

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