On 24.01.16 13:22, larsxschneider@xxxxxxxxx wrote:
> From: Lars Schneider <larsxschneider@xxxxxxxxx>
Some minor nits inside:
>
> A clean/smudge filter can be disabled if set to an empty string.
"set to an empty string" refers to "git config" (in opposite to the
filter as such, which is specified in .gitattributes.
Does it make sense to write
"git config filter.XXX.smudge ''" or so ?
> However,
> Git will try to run the empty string as command which results in a error
> message per processed file.
>
> Teach Git to consider an empty clean/smudge filter as legitimately disabled
> and do not print an error message.
>
> Signed-off-by: Lars Schneider <larsxschneider@xxxxxxxxx>
> ---
> convert.c | 4 ++--
> t/t0021-conversion.sh | 14 ++++++++++++++
> 2 files changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/convert.c b/convert.c
> index 814e814..58af965 100644
> --- a/convert.c
> +++ b/convert.c
> @@ -786,7 +786,7 @@ int convert_to_git(const char *path, const char *src, size_t len,
> struct conv_attrs ca;
>
> convert_attrs(&ca, path);
> - if (ca.drv) {
> + if (ca.drv && ca.drv->clean && strlen(ca.drv->clean)) {
> filter = ca.drv->clean;
> required = ca.drv->required;
> }
> @@ -835,7 +835,7 @@ static int convert_to_working_tree_internal(const char *path, const char *src,
> struct conv_attrs ca;
>
> convert_attrs(&ca, path);
> - if (ca.drv) {
> + if (ca.drv && ca.drv->smudge && strlen(ca.drv->smudge)) {
> filter = ca.drv->smudge;
> required = ca.drv->required;
> }
> diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
> index 718efa0..56e385c 100755
> --- a/t/t0021-conversion.sh
> +++ b/t/t0021-conversion.sh
> @@ -252,4 +252,18 @@ test_expect_success "filter: smudge empty file" '
> test_cmp expected filtered-empty-in-repo
> '
>
> +test_expect_success 'disable filter with empty override' '
> + git config filter.disable.smudge false &&
> + git config filter.disable.clean false &&
> +
> + echo "*.disable filter=disable" >.gitattributes &&
> +
> + echo test >test.disable &&
> + git -c filter.disable.clean= add test.disable 2>err &&
> + ! test -s err &&
How about
test_cmp /dev/null err
to make debugging easier ?
> + rm -f test.disable &&
> + git -c filter.disable.smudge= checkout -- test.disable 2>err &&
> + ! test -s err
> +'
> +
> test_done
> --
> 2.5.1
>
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