Re: [PATCH] commit: ignore assume-unchanged files in "commmit <file>" mode

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From: "Sérgio Basto" <sergio@xxxxxxxxxx> Sent: Tuesday, December 09, 2014 2:44 AM
On Sex, 2014-12-05 at 17:56 +0700, Nguyễn Thái Ngọc Duy wrote:
In the same spirit of 7fce6e3 (commit: correctly respect skip-worktree
bit - 2009-12-14), if a file is marked unchanged, skip it.

Noticed-by: Sérgio Basto <sergio@xxxxxxxxxx>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/commit.c                         |  2 +-
 t/t2106-update-index-assume-unchanged.sh | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/builtin/commit.c b/builtin/commit.c
index e108c53..ee3de12 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -252,7 +252,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
 if (!ce_path_match(ce, pattern, m))
 continue;
 item = string_list_insert(list, ce->name);
- if (ce_skip_worktree(ce))
+ if (ce->ce_flags & (CE_VALID | CE_SKIP_WORKTREE))
 item->util = item; /* better a valid pointer than a fake one */
 }

diff --git a/t/t2106-update-index-assume-unchanged.sh b/t/t2106-update-index-assume-unchanged.sh
index 99d858c..dc332f5 100755
--- a/t/t2106-update-index-assume-unchanged.sh
+++ b/t/t2106-update-index-assume-unchanged.sh
@@ -21,4 +21,14 @@ test_expect_success 'do not switch branches with dirty file' \
 git update-index --assume-unchanged file &&
 test_must_fail git checkout master'

+test_expect_success 'commit <paths> ignore assume-unchanged files' '
+ : >anotherfile &&
+ git add anotherfile &&
+ echo dirty >anotherfile &&
+ git commit -m one -- file anotherfile &&
+ git diff --name-only HEAD^ HEAD >actual &&
+ echo anotherfile >expected &&
+ test_cmp expected actual
+'
+
 test_done


works great many thanks,

Junio: Given that this patch avoids the user surprise that the `commit .` and `commit -a` produced unexpectedly different effects, should it also be included in the --assume unchanged patches? Or is the test inappropriate?

I'm guessing that there will still be other potential 'gotcha' code paths that would still produce surprise though.

Philip
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