* [BUG] git commit -a doesn't ignore inactive/ignore-all submodules
@ 2021-08-20 17:02 Alexey Izbyshev
2021-08-24 15:49 ` Alexey Izbyshev
0 siblings, 1 reply; 2+ messages in thread
From: Alexey Izbyshev @ 2021-08-20 17:02 UTC (permalink / raw)
To: git
Hi,
I've been surprised to discover that "git commit -a" stages submodules
that have been explicitly made inactive via
"submodule.NAME.active=false" and/or hidden from status/diff via
"submodule.NAME.ignore=all":
git init repo
git -C repo commit --allow-empty -m "initial"
git -C repo submodule add "$PWD"/repo
git -C repo commit -m "add sm"
git -C repo config submodule.repo.ignore all
git -C repo config submodule.repo.active false
git -C repo/repo pull
After executing the above commands, "git -C repo commit -a" will show
"repo" in "Changes to be committed" list. I think this behavior is
dangerous because it makes it easy to accidentally "update" the
submodule commit in the main repo while committing other changes. Does
this qualify as a bug?
Reproduced on 2.33 and 2.17.1. Does not reproduce on 2.7.4 (Ubuntu
16.04). This discussion[1] and this question[2] also indicate that "git
commit -a" honored at least "ignore all" setting in older git.
Alexey
[1]
https://public-inbox.org/git/CABxC_L92v=cV=+e_DNa0L6f21LB0BRP5duai2h_heGJN_PRoUQ@mail.gmail.com/#t
[2]
https://superuser.com/questions/1301581/get-git-commit-a-to-ignore-submodules
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [BUG] git commit -a doesn't ignore inactive/ignore-all submodules
2021-08-20 17:02 [BUG] git commit -a doesn't ignore inactive/ignore-all submodules Alexey Izbyshev
@ 2021-08-24 15:49 ` Alexey Izbyshev
0 siblings, 0 replies; 2+ messages in thread
From: Alexey Izbyshev @ 2021-08-24 15:49 UTC (permalink / raw)
To: git; +Cc: bwilliamseng
On 2021-08-20 20:02, Alexey Izbyshev wrote:
> Reproduced on 2.33 and 2.17.1. Does not reproduce on 2.7.4 (Ubuntu
> 16.04).
Bisected to:
commit 5556808690ea245708fb80383be5c1afee2fb3eb
Author: Brandon Williams <bmwill@google.com>
Date: Tue Jul 25 14:39:16 2017 -0700
add, reset: ensure submodules can be added or reset
Commit aee9c7d65 (Submodules: Add the new "ignore" config option for
diff and status) introduced the ignore configuration option for
submodules so that configured submodules could be omitted from the
status and diff commands. Because this flag is respected in the
diff
machinery it has the unintended consequence of potentially
prohibiting
users from adding or resetting a submodule, even when a path to the
submodule is explicitly given.
Ensure that submodules can be added or set, even if they are
configured
to be ignored, by setting the `DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG`
diff
flag.
Was the change of "git commit -a" behavior intended?
To be clear, I don't understand what problem this patch solves exactly.
The commit message mentions issues with "adding or resetting a
submodule", but with git 2.7.4 (older than this patch) I can explicitly
"git add" and "git commit" a submodule which has "ignore = all" set
without problems, though "git status" and "git commit -a" ignore it, as
I would expect.
I've also performed another test uncovering that "submodule.active"
appears to have never been honored by "git commit -a" at all. Is this
intended behavior?
From my perspective, it's surprising that "git status" and "git commit
-a" take inactive submodules into account. Given that "git help config"
says that "submodule.active" is a "Boolean value indicating if the
submodule is of interest to git commands", it would seem to me that
"active = false" should beat everything else, making git behave as if
submodule were not initialized. Is there a way to keep a submodule
checked out but make "git commit -a" ignore it?
Alexey
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