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From: Luke Shumaker <lukeshu@lukeshu.com>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"Elijah Newren" <newren@gmail.com>, "Jeff King" <peff@peff.net>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
	"Taylor Blau" <me@ttaylorr.com>,
	"brian m . carlson" <sandals@crustytoothpaste.net>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Luke Shumaker" <lukeshu@datawire.io>
Subject: [PATCH v4 3/5] git-fast-export.txt: clarify why 'verbatim' may not be a good idea
Date: Fri, 30 Apr 2021 17:25:35 -0600	[thread overview]
Message-ID: <20210430232537.1131641-4-lukeshu@lukeshu.com> (raw)
In-Reply-To: <20210430232537.1131641-1-lukeshu@lukeshu.com>

From: Luke Shumaker <lukeshu@datawire.io>

Signed-off-by: Luke Shumaker <lukeshu@datawire.io>
---

Notes:
    v4: This commit is new in v4.

 Documentation/git-fast-export.txt | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Documentation/git-fast-export.txt b/Documentation/git-fast-export.txt
index 593be7e9a2..a364812d9f 100644
--- a/Documentation/git-fast-export.txt
+++ b/Documentation/git-fast-export.txt
@@ -29,15 +29,19 @@ OPTIONS
 
 --signed-tags=(verbatim|warn-verbatim|warn-strip|strip|abort)::
 	Specify how to handle signed tags.  Since any transformation
-	after the export can change the tag names (which can also happen
-	when excluding revisions) the signatures will not match.
+	after the export (or during the export, such as excluding
+	revisions) can change the hashes being signed, the signatures
+	may become invalid.
 +
 When asking to 'abort' (which is the default), this program will die
 when encountering a signed tag.  With 'strip', the tags will silently
 be made unsigned, with 'warn-strip' they will be made unsigned but a
 warning will be displayed, with 'verbatim', they will be silently
 exported and with 'warn-verbatim' (or 'warn', a deprecated synonym),
-they will be exported, but you will see a warning.
+they will be exported, but you will see a warning.  'verbatim' and
+'warn-verbatim' should only be used if you know that no
+transformations affecting tags will be performed, or if you do not
+care that the resulting tag will have an invalid signature.
 
 --tag-of-filtered-object=(abort|drop|rewrite)::
 	Specify how to handle tags whose tagged object is filtered out.
-- 
2.31.1


  parent reply	other threads:[~2021-04-30 23:26 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-22  0:27 [PATCH v2 0/3] fast-export, fast-import: implement signed-commits Luke Shumaker
2021-04-22  0:27 ` [PATCH v2 1/3] git-fast-import.txt: add missing LF in the BNF Luke Shumaker
2021-04-22  0:27 ` [PATCH v2 2/3] fast-export: rename --signed-tags='warn' to 'warn-verbatim' Luke Shumaker
2021-04-22  3:59   ` Eric Sunshine
2021-04-22  4:43     ` Luke Shumaker
2021-04-22  4:50       ` Luke Shumaker
2021-04-22  0:27 ` [PATCH v2 3/3] fast-export, fast-import: implement signed-commits Luke Shumaker
2021-04-23 16:41 ` [PATCH v3 0/3] " Luke Shumaker
2021-04-23 16:41   ` [PATCH v3 1/3] git-fast-import.txt: add missing LF in the BNF Luke Shumaker
2021-04-23 16:41   ` [PATCH v3 2/3] fast-export: rename --signed-tags='warn' to 'warn-verbatim' Luke Shumaker
2021-04-28  3:29     ` Junio C Hamano
2021-04-29 19:02       ` Luke Shumaker
2021-04-30  0:03         ` Junio C Hamano
2021-04-23 16:41   ` [PATCH v3 3/3] fast-export, fast-import: implement signed-commits Luke Shumaker
2021-04-28  4:02     ` Junio C Hamano
2021-04-29 20:06       ` Luke Shumaker
2021-04-29 22:38         ` Elijah Newren
2021-04-29 23:42           ` Junio C Hamano
2021-04-30  2:23             ` Elijah Newren
2021-04-30  3:20               ` Junio C Hamano
2021-04-30 17:07             ` Luke Shumaker
2021-04-30 19:34       ` Luke Shumaker
2021-04-30 19:59         ` Elijah Newren
2021-04-30 22:21           ` Luke Shumaker
2021-04-30 23:25   ` [PATCH v4 0/5] fast-export, fast-import: add support for signed-commits Luke Shumaker
2021-04-30 23:25     ` [PATCH v4 1/5] git-fast-import.txt: add missing LF in the BNF Luke Shumaker
2021-04-30 23:25     ` [PATCH v4 2/5] fast-export: rename --signed-tags='warn' to 'warn-verbatim' Luke Shumaker
2021-04-30 23:25     ` Luke Shumaker [this message]
2021-04-30 23:25     ` [PATCH v4 4/5] fast-export: do not modify memory from get_commit_buffer Luke Shumaker
2021-05-03  4:41       ` Junio C Hamano
2021-04-30 23:25     ` [PATCH v4 5/5] fast-export, fast-import: add support for signed-commits Luke Shumaker
2021-05-03  5:09       ` Junio C Hamano

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