If the user passes -4/--ipv4 or -6/--ipv6 to "git fetch" or "git push" and the ssh command configured with GIT_SSH does not support such a setting, error out instead of ignoring the option and continuing. Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx> --- connect.c | 25 ++++++++++++++++++++++--- t/t5601-clone.sh | 12 ++++++------ 2 files changed, 28 insertions(+), 9 deletions(-) diff --git a/connect.c b/connect.c index 2dc9554b30..a1c0ba1b3a 100644 --- a/connect.c +++ b/connect.c @@ -923,11 +923,30 @@ static void push_ssh_options(struct argv_array *args, struct argv_array *env, get_protocol_version_config()); } - if (variant != VARIANT_SIMPLE) { - if (flags & CONNECT_IPV4) + if (flags & CONNECT_IPV4) { + switch (variant) { + case VARIANT_AUTO: + BUG("VARIANT_AUTO passed to push_ssh_options"); + case VARIANT_SIMPLE: + die("ssh variant 'simple' does not support -4"); + case VARIANT_SSH: + case VARIANT_PLINK: + case VARIANT_PUTTY: + case VARIANT_TORTOISEPLINK: argv_array_push(args, "-4"); - else if (flags & CONNECT_IPV6) + } + } else if (flags & CONNECT_IPV6) { + switch (variant) { + case VARIANT_AUTO: + BUG("VARIANT_AUTO passed to push_ssh_options"); + case VARIANT_SIMPLE: + die("ssh variant 'simple' does not support -6"); + case VARIANT_SSH: + case VARIANT_PLINK: + case VARIANT_PUTTY: + case VARIANT_TORTOISEPLINK: argv_array_push(args, "-6"); + } } if (variant == VARIANT_TORTOISEPLINK) diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index fd94dd40d2..a672fc1e08 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -367,15 +367,15 @@ test_expect_success 'OpenSSH variant passes -4' ' expect_ssh "-4 -p 123" myhost src ' -test_expect_success 'variant can be overriden' ' - git -c ssh.variant=simple clone -4 "[myhost:123]:src" ssh-simple-clone && - expect_ssh myhost src +test_expect_success 'variant can be overridden' ' + copy_ssh_wrapper_as "$TRASH_DIRECTORY/putty" && + git -c ssh.variant=putty clone -4 "[myhost:123]:src" ssh-putty-clone && + expect_ssh "-4 -P 123" myhost src ' -test_expect_success 'simple is treated as simple' ' +test_expect_success 'simple does not support -4/-6' ' copy_ssh_wrapper_as "$TRASH_DIRECTORY/simple" && - git clone -4 "[myhost:123]:src" ssh-bracket-clone-simple && - expect_ssh myhost src + test_must_fail git clone -4 "[myhost:123]:src" ssh-bracket-clone-simple ' test_expect_success 'uplink is treated as simple' ' -- 2.15.0.rc1.287.g2b38de12cc