Current commit hash
git log -1 --format="%H"
Current tag
git describe --always --tag --abbrev=0
Current branch
git describe --contains --all HEAD
Get tag's hash
git rev-list v1.0.0 | head -n 1
Get tags with hashes
git show-ref --tags
Get remote tags
git fetch --tags
Validate the existance of a tag
git show-ref --tags --verify "refs/tags/v1.0.0"
Machine readable status
git status --porcelain
Simple status
git status -sb