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-rw-r--r--plumbing/protocol/packp/capability/capability.go15
-rw-r--r--plumbing/protocol/packp/capability/capability_test.go22
-rw-r--r--plumbing/protocol/packp/capability/list.go4
-rw-r--r--plumbing/protocol/packp/capability/list_test.go11
4 files changed, 50 insertions, 2 deletions
diff --git a/plumbing/protocol/packp/capability/capability.go b/plumbing/protocol/packp/capability/capability.go
index 8d6a56f..b52e8a4 100644
--- a/plumbing/protocol/packp/capability/capability.go
+++ b/plumbing/protocol/packp/capability/capability.go
@@ -1,6 +1,11 @@
// Package capability defines the server and client capabilities.
package capability
+import (
+ "fmt"
+ "os"
+)
+
// Capability describes a server or client capability.
type Capability string
@@ -238,7 +243,15 @@ const (
Filter Capability = "filter"
)
-const DefaultAgent = "go-git/4.x"
+const userAgent = "go-git/5.x"
+
+// DefaultAgent provides the user agent string.
+func DefaultAgent() string {
+ if envUserAgent, ok := os.LookupEnv("GO_GIT_USER_AGENT_EXTRA"); ok {
+ return fmt.Sprintf("%s %s", userAgent, envUserAgent)
+ }
+ return userAgent
+}
var known = map[Capability]bool{
MultiACK: true, MultiACKDetailed: true, NoDone: true, ThinPack: true,
diff --git a/plumbing/protocol/packp/capability/capability_test.go b/plumbing/protocol/packp/capability/capability_test.go
new file mode 100644
index 0000000..f1fd028
--- /dev/null
+++ b/plumbing/protocol/packp/capability/capability_test.go
@@ -0,0 +1,22 @@
+package capability
+
+import (
+ "fmt"
+ "os"
+
+ check "gopkg.in/check.v1"
+)
+
+var _ = check.Suite(&SuiteCapabilities{})
+
+func (s *SuiteCapabilities) TestDefaultAgent(c *check.C) {
+ os.Unsetenv("GO_GIT_USER_AGENT_EXTRA")
+ ua := DefaultAgent()
+ c.Assert(ua, check.Equals, userAgent)
+}
+
+func (s *SuiteCapabilities) TestEnvAgent(c *check.C) {
+ os.Setenv("GO_GIT_USER_AGENT_EXTRA", "abc xyz")
+ ua := DefaultAgent()
+ c.Assert(ua, check.Equals, fmt.Sprintf("%s %s", userAgent, "abc xyz"))
+}
diff --git a/plumbing/protocol/packp/capability/list.go b/plumbing/protocol/packp/capability/list.go
index f41ec79..553d81c 100644
--- a/plumbing/protocol/packp/capability/list.go
+++ b/plumbing/protocol/packp/capability/list.go
@@ -86,7 +86,9 @@ func (l *List) Get(capability Capability) []string {
// Set sets a capability removing the previous values
func (l *List) Set(capability Capability, values ...string) error {
- delete(l.m, capability)
+ if _, ok := l.m[capability]; ok {
+ l.m[capability].Values = l.m[capability].Values[:0]
+ }
return l.Add(capability, values...)
}
diff --git a/plumbing/protocol/packp/capability/list_test.go b/plumbing/protocol/packp/capability/list_test.go
index 61b0b13..71181cb 100644
--- a/plumbing/protocol/packp/capability/list_test.go
+++ b/plumbing/protocol/packp/capability/list_test.go
@@ -122,6 +122,17 @@ func (s *SuiteCapabilities) TestSetEmpty(c *check.C) {
c.Assert(cap.Get(Agent), check.HasLen, 1)
}
+func (s *SuiteCapabilities) TestSetDuplicate(c *check.C) {
+ cap := NewList()
+ err := cap.Set(Agent, "baz")
+ c.Assert(err, check.IsNil)
+
+ err = cap.Set(Agent, "bar")
+ c.Assert(err, check.IsNil)
+
+ c.Assert(cap.String(), check.Equals, "agent=bar")
+}
+
func (s *SuiteCapabilities) TestGetEmpty(c *check.C) {
cap := NewList()
c.Assert(cap.Get(Agent), check.HasLen, 0)