Re: [PATCH] Work around broken ln on solaris as used in t8006

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Ben Walton <bwalton@xxxxxxxxxxxxxxxxxx> writes:

> The test setup in t8006-blame-textconv.sh used ln -sf to overwrite an
> existing symlink.  Unfortunately, both /usr/bin/ln and
> /usr/xpg4/bin/ln on solaris 9 don't properly handle -f when -s is
> used.

Thanks for reporting.  I recall "ln -s -f" traditionally has been a pain
point not just on Solaris.

> This caused the test setup to fail which caused subsequent
> checks to also fail.
>
> This patch uses changes the first check in the test to rm the symlink
> and then create the new symlink using only -s.

s/uses //; I think.

It is curious why "rm symlink.bin" is not inside the test-have-prereq
part, iow, immediately before the problematic "ln -s", where it logically
belongs to, though.  What does the updated code do on systems without
symbolic link support?

> The upstream Solaris bug (fixed in 10, but not 9) is documented here:
> http://bugs.opensolaris.org/view_bug.do?bug_id=4372462
>
> Signed-off-by: Ben Walton <bwalton@xxxxxxxxxxxxxxxxxx>
> ---
>  t/t8006-blame-textconv.sh |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/t/t8006-blame-textconv.sh b/t/t8006-blame-textconv.sh
> index ea64cd8..c5362d9 100755
> --- a/t/t8006-blame-textconv.sh
> +++ b/t/t8006-blame-textconv.sh
> @@ -24,8 +24,9 @@ test_expect_success 'setup ' '
>  	GIT_AUTHOR_NAME=Number1 git commit -a -m First --date="2010-01-01 18:00:00" &&
>  	echo "bin: test 1 version 2" >one.bin &&
>  	echo "bin: test number 2 version 2" >>two.bin &&
> +	rm symlink.bin &&
>  	if test_have_prereq SYMLINKS; then
> -		ln -sf two.bin symlink.bin
> +		ln -s two.bin symlink.bin
>  	fi &&
>  	GIT_AUTHOR_NAME=Number2 git commit -a -m Second --date="2010-01-01 20:00:00"
>  '
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