Construct an argv_array of ref prefixes based on the patterns supplied
via the command line and pass them to 'transport_get_remote_refs()' to
be used when communicating protocol v2 so that the server can limit the
ref advertisement based on those prefixes.
Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx>
---
builtin/ls-remote.c | 15 +++++++++++++--
refs.c | 14 ++++++++++++++
refs.h | 7 +++++++
t/t5702-protocol-v2.sh | 26 ++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 2 deletions(-)
diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index c6e9847c5c..4276bf97d5 100644
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -2,6 +2,7 @@
#include "cache.h"
#include "transport.h"
#include "remote.h"
+#include "refs.h"
static const char * const ls_remote_usage[] = {
N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
@@ -43,6 +44,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
int show_symref_target = 0;
const char *uploadpack = NULL;
const char **pattern = NULL;
+ struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
struct remote *remote;
struct transport *transport;
@@ -74,8 +76,17 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
if (argc > 1) {
int i;
pattern = xcalloc(argc, sizeof(const char *));
- for (i = 1; i < argc; i++)
+ for (i = 1; i < argc; i++) {
+ const char *glob;
pattern[i - 1] = xstrfmt("*/%s", argv[i]);
+
+ glob = strchr(argv[i], '*');
+ if (glob)
+ argv_array_pushf(&ref_prefixes, "%.*s",
+ (int)(glob - argv[i]), argv[i]);
+ else
+ expand_ref_prefix(&ref_prefixes, argv[i]);
+ }
}
remote = remote_get(dest);
@@ -96,7 +107,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
if (uploadpack != NULL)
transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
- ref = transport_get_remote_refs(transport, NULL);
+ ref = transport_get_remote_refs(transport, &ref_prefixes);
if (transport_disconnect(transport))
return 1;
diff --git a/refs.c b/refs.c
index 20ba82b434..cefbad2076 100644
--- a/refs.c
+++ b/refs.c
@@ -13,6 +13,7 @@
#include "tag.h"
#include "submodule.h"
#include "worktree.h"
+#include "argv-array.h"
/*
* List of all available backends
@@ -501,6 +502,19 @@ int refname_match(const char *abbrev_name, const char *full_name)
return 0;
}
+/*
+ * Given a 'prefix' expand it by the rules in 'ref_rev_parse_rules' and add
+ * the results to 'prefixes'
+ */
+void expand_ref_prefix(struct argv_array *prefixes, const char *prefix)
+{
+ const char **p;
+ int len = strlen(prefix);
+
+ for (p = ref_rev_parse_rules; *p; p++)
+ argv_array_pushf(prefixes, *p, len, prefix);
+}
+
/*
* *string and *len will only be substituted, and *string returned (for
* later free()ing) if the string passed in is a magic short-hand form
diff --git a/refs.h b/refs.h
index 01be5ae32f..93b6dce944 100644
--- a/refs.h
+++ b/refs.h
@@ -139,6 +139,13 @@ int resolve_gitlink_ref(const char *submodule, const char *refname,
*/
int refname_match(const char *abbrev_name, const char *full_name);
+/*
+ * Given a 'prefix' expand it by the rules in 'ref_rev_parse_rules' and add
+ * the results to 'prefixes'
+ */
+struct argv_array;
+void expand_ref_prefix(struct argv_array *prefixes, const char *prefix);
+
int expand_ref(const char *str, int len, struct object_id *oid, char **ref);
int dwim_ref(const char *str, int len, struct object_id *oid, char **ref);
int dwim_log(const char *str, int len, struct object_id *oid, char **ref);
diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh
index dc5f813beb..562610fd25 100755
--- a/t/t5702-protocol-v2.sh
+++ b/t/t5702-protocol-v2.sh
@@ -32,6 +32,19 @@ test_expect_success 'list refs with git:// using protocol v2' '
test_cmp actual expect
'
+test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote "$GIT_DAEMON_URL/parent" master >actual &&
+
+ cat >expect <<-EOF &&
+ $(git -C "$daemon_parent" rev-parse refs/heads/master)$(printf "\t")refs/heads/master
+ EOF
+
+ test_cmp actual expect
+'
+
stop_git_daemon
# Test protocol v2 with 'file://' transport
@@ -54,4 +67,17 @@ test_expect_success 'list refs with file:// using protocol v2' '
test_cmp actual expect
'
+test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
+ test_when_finished "rm -f log" &&
+
+ GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+ ls-remote "file://$(pwd)/file_parent" master >actual &&
+
+ cat >expect <<-EOF &&
+ $(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
+ EOF
+
+ test_cmp actual expect
+'
+
test_done
--
2.16.2.804.g6dcf76e118-goog
