On Tue, May 5, 2015 at 5:21 PM, Fredrik Medley <fredrik.medley@xxxxxxxxx> wrote:
> With uploadpack.allowreachablesha1inwant configuration option set on the
> server side, "git fetch" can make a request with a "want" line that names
> an object that has not been advertised (likely to have been obtained out
> of band or from a submodule pointer). Only objects reachable from the
> branch tips, i.e. the union of advertised branches and branches hidden by
> transfer.hiderefs, will be processed. Note that there is an associated
> cost of having to walk back the hstory to check the reachability.
> [...]
> Signed-off-by: Fredrik Medley <fredrik.medley@xxxxxxxxx>
> ---
> diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
> index 8a5f236..01fabfb 100755
> --- a/t/t5516-fetch-push.sh
> +++ b/t/t5516-fetch-push.sh
> @@ -1120,6 +1120,61 @@ test_expect_success 'fetch exact SHA1' '
> )
> '
>
> +for configallowtipsha1inwant in true false
> +do
> + test_expect_success "shallow fetch reachable SHA1 (but not a ref), allowtipsha1inwant=$configallowtipsha1inwant" '
> + mk_empty testrepo &&
> + (
> + cd testrepo &&
> + git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
> + git commit --allow-empty -m foo &&
> + git commit --allow-empty -m bar
> + ) &&
> + SHA1=`git --git-dir=testrepo/.git rev-parse HEAD^` &&
Use $(..) here and elsewhere rather than `...`.
SHA1=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
> + mk_empty shallow &&
> + (
> + cd shallow &&
> + test_must_fail git fetch --depth=1 ../testrepo/.git $SHA1 &&
> + git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
> + git fetch --depth=1 ../testrepo/.git $SHA1 &&
> + git cat-file commit $SHA1 >/dev/null
> + )
> + '
> +
> + test_expect_success "deny fetch unreachable SHA1, allowtipsha1inwant=$configallowtipsha1inwant" '
> + mk_empty testrepo &&
> + (
> + cd testrepo &&
> + git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
> + git commit --allow-empty -m foo &&
> + git commit --allow-empty -m bar &&
> + git commit --allow-empty -m xyz
> + )
> + SHA1_1=`git --git-dir=testrepo/.git rev-parse HEAD^^` &&
> + SHA1_2=`git --git-dir=testrepo/.git rev-parse HEAD^` &&
> + SHA1_3=`git --git-dir=testrepo/.git rev-parse HEAD` &&
> + (
> + cd testrepo &&
> + git reset --hard $SHA1_2 &&
> + git cat-file commit $SHA1_3 >/dev/null &&
> + git cat-file commit $SHA1_3 >/dev/null
> + ) &&
> + mk_empty shallow &&
> + (
> + cd shallow &&
> + test_must_fail git fetch ../testrepo/.git $SHA1_3 &&
> + test_must_fail git fetch ../testrepo/.git $SHA1_1 &&
> + git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
> + git fetch ../testrepo/.git $SHA1_1 &&
> + git cat-file commit $SHA1_1 >/dev/null &&
> + test_must_fail git cat-file commit $SHA1_2 >/dev/null &&
> + git fetch ../testrepo/.git $SHA1_2 &&
> + git cat-file commit $SHA1_2 >/dev/null &&
> + test_must_fail git fetch ../testrepo/.git $SHA1_3
> + )
> + '
> +done
> +
> test_expect_success 'fetch follows tags by default' '
> mk_test testrepo heads/master &&
> rm -fr src dst &&
--
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