When using git send-pack with --all option
and a target directory, usage message is being
displayed instead of performing the actual transmission.

The reason for this issue is that refspecs variable is being
calculated in a different way comparing to previous versions,
and even though the number of refspecs (nr_refspecs) is 0,
refspecs contain all the arguments and switches passed to send-pack.

This ensures that send-pack will stop execution only when --all
or --mirror switch is used in conjunction with any refs passed.

Signed-off-by: Stanislav Kolotinskiy <stanis...@assembla.com>
---
 builtin/send-pack.c      |  2 +-
 t/t9904-send-pack-all.sh | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100755 t/t9904-send-pack-all.sh

diff --git a/builtin/send-pack.c b/builtin/send-pack.c
index f6e5d64..19f0577 100644
--- a/builtin/send-pack.c
+++ b/builtin/send-pack.c
@@ -225,7 +225,7 @@ int cmd_send_pack(int argc, const char **argv, const char 
*prefix)
         * --all and --mirror are incompatible; neither makes sense
         * with any refspecs.
         */
-       if ((refspecs && (send_all || args.send_mirror)) ||
+       if ((nr_refspecs > 0 && (send_all || args.send_mirror)) ||
            (send_all && args.send_mirror))
                usage_with_options(send_pack_usage, options);
 
diff --git a/t/t9904-send-pack-all.sh b/t/t9904-send-pack-all.sh
new file mode 100755
index 0000000..f68d004
--- /dev/null
+++ b/t/t9904-send-pack-all.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+test_description='Make sure that send-pack --all copies all refs'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+       git init --bare bare_repo && git init repo && (
+               cd repo &&
+
+               git remote add origin ../bare_repo &&
+               date >file1 && git add file1 && test_tick &&
+               git commit -m Initial &&
+               git push origin master &&
+
+               git checkout -b other && date >file2 &&
+               git add file2 && test_tick &&
+               git commit -m Other &&
+               git push origin other
+       ) && git init another && (
+               cd another &&
+
+               git config receive.denyCurrentBranch ignore
+       )
+'
+
+test_expect_success 'send-pack --all should copy all refs' '
+       cd bare_repo && git send-pack --all ../another
+'
+
+test_done
-- 
2.7.4

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