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whatchanged: hint about git-log(1) and aliasing

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There have been quite a few `--i-still-use-this` user reports since Git
2.51.0 was released.[1][2]  And it doesn’t seem like they are reading
the man page about the git-log(1) equivalent.

Tell them what options to plug into git-log(1), either as a replacement
command or as an alias.[3]  That template produces almost the same
output[4] and is arguably a plug-in replacement.  Concretely, add
an optional `hint` argument so that we can use it right after the
initial error line.

Also mention the same concrete options in the documentation while we’re
at it.

[1]: E.g.,
    • https://lore.kernel.org/git/e1a69dea-bcb6-45fc-83d3-9e50d32c410b@5y5.one/
    • https://lore.kernel.org/git/1011073f-9930-4360-a42f-71eb7421fe3f@chrispalmer.uk/#t
    • https://lore.kernel.org/git/9fcbfcc4-79f9-421f-b9a4-dc455f7db485@acm.org/#t
    • https://lore.kernel.org/git/83241BDE-1E0D-489A-9181-C608E9FCC17B@gmail.com/
[2]: The error message on 2.51.0 does tell them to report it, unconditionally
[3]: We allow aliasing deprecated builtins now for people who are very
    used to the command name or just like it a lot
[4]: You only get different outputs if you happen to have empty
     commits (no changes)[4]
[5]: https://lore.kernel.org/git/20250825085428.GA367101@coredump.intra.peff.net/

Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kristoffer Haugsbakk
2025-09-17 22:24:17 +02:00
committed by Junio C Hamano
parent 098230f725
commit 5a31252702
5 changed files with 24 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
builtin/log.c
View File

@@ -543,7 +543,13 @@ int cmd_whatchanged(int argc,
cmd_log_init(argc, argv, prefix, &rev, &opt, &cfg);
if (!cfg.i_still_use_this)
you_still_use_that("git whatchanged");
you_still_use_that("git whatchanged",
_("\n"
"hint: You can replace 'git whatchanged <opts>' with:\n"
"hint:\tgit log <opts> --raw --no-merges\n"
"hint: Or make an alias:\n"
"hint:\tgit config set --global alias.whatchanged 'log --raw --no-merges'\n"
"\n"));
if (!rev.diffopt.output_format)
rev.diffopt.output_format = DIFF_FORMAT_RAW;

2
builtin/pack-redundant.c
View File

@@ -626,7 +626,7 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix UNUSED, s
}
if (!i_still_use_this)
you_still_use_that("git pack-redundant");
you_still_use_that("git pack-redundant", NULL);
if (load_all_packs)
load_all();