## Documentation
[Documentation](https://docs.rs/vergen)
## Generate Compile Time Information
`vergen`, when used in conjunction with cargo [build scripts], will
generate environment variables to use with the `env!` macro. Below
is a list of the supported variables.
Key | Sample Value
--------------------------|----------------------------------------
VERGEN_BUILD_TIMESTAMP |2018-08-09T15:15:57.282334589+00:000
VERGEN_BUILD_DATE |2018-08-09
VERGEN_SHA |75b390dc6c05a6a4aa2791cc7b3934591803bc22
VERGEN_SHA_SHORT |75b390d
VERGEN_COMMIT_DATE |2018-08-08
VERGEN_TARGET_TRIPLE |x86_64-unknown-linux-gnu
VERGEN_SEMVER |v3.0.0
VERGEN_SEMVER_LIGHTWEIGHT |v3.0.0