setup-cygwin - GitHub action to set up Cygwin

	Commit message (Collapse)	Author	Age
*	workflows/test.yml: clearer job names	Egor Tensin	2020-12-23
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*	workflows/test.yml: check %CYGWIN%	Egor Tensin	2020-12-23
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*	README: update	Egor Tensin	2020-12-23
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*	code style	Egor Tensin	2020-12-23
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*	Merge pull request #2 from me-and/configurable-cygwin-env-var	Egor Tensin	2020-12-23
\|\ \| \| \| \|	Make CYGWIN environment variable configurable
\| *	Make CYGWIN environment variable configurable	Adam Dinwoodie	2020-12-23
\|/ \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Some users might want different behaviour from the CYGWIN environment variable, and in particular it seems reasonable to assume they don't want non-default behaviour unless they explicitly ask for it. As such, make the environment variable configurable, and default to empty. This change is not backwards compatible: prior to this change a Cygwin install will have CYGWIN=winsymlinks:nativestrict, whereas afterwards the variable will default to blank. To obtain the previous behaviour, a user would need to add `env: 'winsymlinks:nativestrict'` to the set of inputs. Fixes #1.
*	add READMEv1	Egor Tensin	2020-11-28
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*	action.yml: add "branding"	Egor Tensin	2020-11-28
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*	initial commit	Egor Tensin	2020-11-28