The failure case which occurs on teaching git is taught the '-' shorthand
is when there exists no branch pointed to by '@{-1}'. But, if there is a file
named - in the working tree, the user can be unambiguously assumed to be
referring to it while issuing this command.
The ambiguous case occurs when the @{-1} branch exists and file named '-' also
exists in the working tree. This are also treated as a failure case but here
the user is given advice as to how he can proceed.
Another potentially tricky case is when the file '@{-1}' exists. In this case,
the command should succeed as the user doesn't mention the file '@{-1}' and can
be safely assumed to be referring to the @{-1} branch.
Add tests to check the handling of these cases.
Also add a test to verify that reset - behaves like reset @{-1} when none
of the above cases are true.
Helped-by: Junio C Hamano gits...@pobox.com
Helped-by: Eric Sunshine sunsh...@sunshineco.com
Helped-by: Matthieu Moy matthieu@grenoble-inp.fr
Signed-off-by: Sundararajan R dyou...@gmail.com
---
Thank you for your feedback Torsten and Eric. I have made modifications
suggested
by you. I have also acted on Matthieu's suggestions on the archive.
Please let me know if there is something else I should add.
I have also removed one irrelevant test from which we come to know of nothing
new.
t/t7102-reset.sh | 75
1 file changed, 75 insertions(+)
diff --git a/t/t7102-reset.sh b/t/t7102-reset.sh
index 98bcfe2..f5a8e76 100755
--- a/t/t7102-reset.sh
+++ b/t/t7102-reset.sh
@@ -568,4 +568,79 @@ test_expect_success 'reset --mixed sets up work tree' '
test_cmp expect actual
'
+test_expect_success 'reset - with no @{-1} branch should fail' '
+ test_when_finished rm -rf new
+ git init new
+ (
+ cd new
+ test_must_fail git reset - 2../actual
+ )
+ test_i18ngrep bad flag actual
+'
+
+test_expect_success 'reset - with no @{-1} branch and file named - should
succeed' '
+ test_when_finished rm -rf new
+ expected
+ git init new
+ (
+ cd new
+ echo Hello -
+ git add -
+ git reset - ../actual
+ )
+ test_cmp expected actual
+'
+
+test_expect_success 'reset - with @{-1} branch and file named - should fail' '
+ test_when_finished rm -rf new
+ git init new
+ (
+ cd new
+ echo Hello -
+ git add -
+ git commit -m first_commit
+ git checkout -b new_branch
+ -
+ git add -
+ test_must_fail git reset - 2../actual
+ )
+ test_i18ngrep ambiguous argument actual
+'
+
+test_expect_success 'reset - with @{-1} branch and file named @{-1} should
succeed' '
+ test_when_finished rm -rf new
+ git init new
+ (
+ cd new
+ echo Hello @{-1}
+ git add @{-1}
+ git commit -m first_commit
+ git checkout -b new_branch
+ @{-1}
+ git add @{-1}
+ git reset - ../actual
+ )
+ test_i18ngrep Unstaged actual
+'
+
+test_expect_success 'reset - with @{-1} branch and no file named - should
succeed' '
+ test_when_finished rm -rf new
+ git init new
+ (
+ cd new
+ echo Hey new_file
+ git add new_file
+ git commit -m first_commit
+ git checkout -b new_branch
+ new_file
+ git add new_file
+ git reset -
+ git status -uno actual
+ git add new_file
+ git reset @{-1}
+ git status -uno expected
+ test_cmp actual expected
+ )
+'
+
test_done
--
2.1.0
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