mkdir temp cd temp git init Initialized empty Git repository in /tmp/temp/.git/ date > foo git add foo export GIT_AUTHOR_NAME="Someone else" export GIT_AUTHOR_EMAIL="notme@example.com" export GIT_COMMITTER_NAME="Linus Torvalds" export GIT_COMMITTER_EMAIL="linus@example.com" git commit -m 'hello world' Created initial commit dc3b7e9: hello world 1 files changed, 1 insertions(+), 0 deletions(-) create mode 100644 foo git tag -u droundy -m foo v1.0 gpg: Invalid passphrase; please try again ... gpg: Invalid passphrase; please try again ... git verify-tag v1.0 gpg: Signature made Tue 24 Nov 2009 11:41:49 AM EST using DSA key ID D3D5BCEC gpg: Good signature from "David Roundy " gpg: aka "David Roundy " gpg: aka "David Roundy " gpg: aka "David Roundy " git show v1.0 tag v1.0 Tagger: Linus Torvalds Date: Tue Nov 24 11:41:49 2009 -0500 foo -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAksMDM0ACgkQQ6uZI9PVvOyXFQCgoc4UYfNFYzVH4HduLdh9VUc/ NSkAn05yr/ARnWGUC8I/OmjhZJEjG5Oa =ro48 -----END PGP SIGNATURE----- commit dc3b7e9f8f5c49bdfe8816abdb4bb392c30e3ef5 Author: Someone else Date: Tue Nov 24 11:41:49 2009 -0500 hello world diff --git a/foo b/foo new file mode 100644 index 0000000..c1857fa --- /dev/null +++ b/foo @@ -0,0 +1 @@ +Tue Nov 24 11:41:49 EST 2009