Richard Miller 19e4049dcd internal/testenv: check that external 'diff' tool is the GNU version ... TestVerifyUnified in internal/lsp/diff/difftest requires specific behaviour of the 'diff' command which is known to be satisfied by GNU diff. The plan9 'diff' command has no '-u' option, and the illumos 'diff -u' produces output in a different format. Checking specifically for the GNU version in the HasTool function ensures the expected behaviour, and otherwise causes the test to be skipped. Updates golang/go#38772 Change-Id: I5493fa8cfc48a112dc0b7356618c62d3ccb0366f Reviewed-on: https://go-review.googlesource.com/c/tools/+/232479 Reviewed-by: Ian Cottrell <iancottrell@google.com> Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>		2020-05-08 20:46:49 +00:00
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difftest_test.go	internal/testenv: check that external 'diff' tool is the GNU version	2020-05-08 20:46:49 +00:00
difftest.go	internal/span,lsp: disambiguate URIs, DocumentURIs, and paths	2020-02-14 22:51:03 +00:00