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| author | Junio C Hamano <gitster@pobox.com> | 2021-10-25 16:07:00 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2021-10-25 16:07:00 -0700 |
| commit | 97ab03b12a044ded55de68aac160ffb72c951830 (patch) | |
| tree | d9546af086ac19c10e0a02fa38dcf2c6e3015d9f /Documentation/technical | |
| parent | 54c4f8ce52f20ea1be99c780ce19867964f430b7 (diff) | |
| parent | f6c013dfa1a002661543ad5504a918636099c91b (diff) | |
| download | git-97ab03b12a044ded55de68aac160ffb72c951830.tar.gz | |
Merge branch 'jc/doc-commit-header-continuation-line'
Doc update.
* jc/doc-commit-header-continuation-line:
signature-format.txt: explain and illustrate multi-line headers
Diffstat (limited to 'Documentation/technical')
| -rw-r--r-- | Documentation/technical/signature-format.txt | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/Documentation/technical/signature-format.txt b/Documentation/technical/signature-format.txt index 2c9406a56a..166721be6f 100644 --- a/Documentation/technical/signature-format.txt +++ b/Documentation/technical/signature-format.txt @@ -13,6 +13,22 @@ Signatures always begin with `-----BEGIN PGP SIGNATURE-----` and end with `-----END PGP SIGNATURE-----`, unless gpg is told to produce RFC1991 signatures which use `MESSAGE` instead of `SIGNATURE`. +Signatures sometimes appear as a part of the normal payload +(e.g. a signed tag has the signature block appended after the payload +that the signature applies to), and sometimes appear in the value of +an object header (e.g. a merge commit that merged a signed tag would +have the entire tag contents on its "mergetag" header). In the case +of the latter, the usual multi-line formatting rule for object +headers applies. I.e. the second and subsequent lines are prefixed +with a SP to signal that the line is continued from the previous +line. + +This is even true for an originally empty line. In the following +examples, the end of line that ends with a whitespace letter is +highlighted with a `$` sign; if you are trying to recreate these +example by hand, do not cut and paste them---they are there +primarily to highlight extra whitespace at the end of some lines. + The signed payload and the way the signature is embedded depends on the type of the object resp. transaction. @@ -78,7 +94,7 @@ author A U Thor <author@example.com> 1465981137 +0000 committer C O Mitter <committer@example.com> 1465981137 +0000 gpgsig -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 - + $ iQEcBAABAgAGBQJXYRjRAAoJEGEJLoW3InGJ3IwIAIY4SA6GxY3BjL60YyvsJPh/ HRCJwH+w7wt3Yc/9/bW2F+gF72kdHOOs2jfv+OZhq0q4OAN6fvVSczISY/82LpS7 DVdMQj2/YcHDT4xrDNBnXnviDO9G7am/9OE77kEbXrp7QPxvhjkicHNwy2rEflAA @@ -128,13 +144,13 @@ mergetag object 04b871796dc0420f8e7561a895b52484b701d51a type commit tag signedtag tagger C O Mitter <committer@example.com> 1465981006 +0000 - + $ signed tag - + $ signed tag message body -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 - + $ iQEcBAABAgAGBQJXYRhOAAoJEGEJLoW3InGJklkIAIcnhL7RwEb/+QeX9enkXhxn rxfdqrvWd1K80sl2TOt8Bg/NYwrUBw/RWJ+sg/hhHp4WtvE1HDGHlkEz3y11Lkuh 8tSxS3qKTxXUGozyPGuE90sJfExhZlW4knIQ1wt/yWqM+33E9pN4hzPqLwyrdods |