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[v3,1/3] doc: tag: document `TAG_EDITMSG`

Message ID 882008e32a482d4b05d522430abf3419476f2302.1684258780.git.code@khaugsbakk.name (mailing list archive)
State Accepted
Commit 719515fdd0a951f51751e12fefa79cb25c6ae15d
Headers show
Series tag: keep the message file in case ref transaction fails | expand

Commit Message

Kristoffer Haugsbakk May 16, 2023, 5:55 p.m. UTC
Document `TAG_EDITMSG` which we have told the user about on unsuccessful
command invocations since commit 3927bbe9a4 (tag: delete TAG_EDITMSG
only on successful tag, 2008-12-06).

Introduce this documentation since we are going to add tests for the
lifetime of this file in the case of command failure and success.

Use the documentation for `COMMIT_EDITMSG` from `git-commit.txt` as a
template since these two files share the same purpose.[1]

† 1: from commit 3927bbe9a4:

     “ This matches the behavior of COMMIT_EDITMSG, which stays around
       in case of error.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
---

Notes (series):
    § From v2
    
    • I changed (from `COMMIT_EDITMSG`) “will be overwritten” to “may” since
      I don’t see the point in giving a guarantee
    • Unsure if I was going to put this before or after “NOTES” as there seems
      to be no precedence
    
    Suggested in: https://lore.kernel.org/git/xmqqy1lqaxln.fsf@gitster.g/T/#u

 Documentation/git-tag.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index fdc72b5875a..46e56b02455 100644
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -377,6 +377,16 @@  $ GIT_COMMITTER_DATE="2006-10-02 10:31" git tag -s v1.0.1
 
 include::date-formats.txt[]
 
+FILES
+-----
+
+`$GIT_DIR/TAG_EDITMSG`::
+	This file contains the message of an in-progress annotated
+	tag. If `git tag` exits due to an error before creating an
+	annotated tag then the tag message that has been provided by the
+	user in an editor session will be available in this file, but
+	may be overwritten by the next invocation of `git tag`.
+
 NOTES
 -----