git_writing_an_arbitrary_blob
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git_writing_an_arbitrary_blob [2019/02/26 13:19] rpjday [The recipe] |
git_writing_an_arbitrary_blob [2019/03/07 10:14] (current) rpjday [Overview] |
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| ===== Overview ===== | ===== Overview ===== | ||
| - | How to write an arbitrary blob to a repository to add "supplemental" information. | + | How to write an arbitrary blob to a repository to add "supplemental" information, such as contact information or your public GPG key, but without making that blob part of the standard history. |
| ===== The recipe ===== | ===== The recipe ===== | ||
| Line 31: | Line 31: | ||
| Robert P. J. Day | Robert P. J. Day | ||
| $ | $ | ||
| + | </code> | ||
| + | |||
| + | In fact, this technique is used by Git maintainer Junio Hamano to disseminate his public GPG key with the Git source code: | ||
| + | |||
| + | <code> | ||
| + | $ git show junio-gpg-pub | ||
| + | tag junio-gpg-pub | ||
| + | Tagger: Junio C Hamano <gitster@pobox.com> | ||
| + | Date: Thu Nov 20 15:12:15 2014 -0800 | ||
| + | |||
| + | GPG key to sign git.git archive | ||
| + | |||
| + | This blob contains the GPG public key I use to sign git.git archive. | ||
| + | |||
| + | To use it to verify tags I signed, do: | ||
| + | |||
| + | $ git-cat-file blob junio-gpg-pub | gpg --import | ||
| + | |||
| + | to import it into your keyring, and then | ||
| + | |||
| + | $ git-tag -v $tag_to_be_verified | ||
| + | |||
| + | The fingerprint information for the key is as follows: | ||
| + | |||
| + | $ gpg --fingerprint -k 96AFE6CB\! | ||
| + | pub 4096R/713660A7 2011-10-01 | ||
| + | Key fingerprint = 96E0 7AF2 5771 9559 80DA D100 20D0 4E5A | ||
| + | 7136 60A7 | ||
| + | uid Junio C Hamano <gitster@pobox.com> | ||
| + | uid Junio C Hamano <junio@pobox.com> | ||
| + | uid Junio C Hamano <jch@google.com> | ||
| + | sub 4096R/833262C4 2011-10-01 | ||
| + | sub 4096R/96AFE6CB 2011-10-03 [expires: 2015-09-21] | ||
| + | sub 4096R/B3F7CAC9 2014-09-20 [expires: 2017-09-19] | ||
| + | -----BEGIN PGP SIGNATURE----- | ||
| + | Version: GnuPG v1 | ||
| + | |||
| + | iQIcBAABAgAGBQJUbnV7AAoJELC16IaWr+bLvjYP+wSOG8rp1y77ExHDJQj7HBLm | ||
| + | 9PVQIb70tkiBxAGUpVNNbaoJQBuMAgFdT4Baj8CIo2jdzDeeqbjtcdy/XsHZ3IMl | ||
| + | |||
| + | ... etc etc ... | ||
| </code> | </code> | ||
git_writing_an_arbitrary_blob.1551187148.txt.gz ยท Last modified: 2019/02/26 13:19 by rpjday
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