implemented tsuru deploy plugin.

pkg/plugin/deploy/deployment.go

@@ -18,6 +18,7 @@ type Deploy struct {
 	Nodejitsu    *Nodejitsu    `yaml:"nodejitsu,omitempty"`
 	Openshift    *Openshift    `yaml:"openshift,omitempty"`
 	SSH          *SSH          `yaml:"ssh,omitempty"`
+	Tsuru        *Tsuru        `yaml:"tsuru,omitempty"`
 }
 
 func (d *Deploy) Write(f *buildfile.Buildfile) {
@@ -51,4 +52,7 @@ func (d *Deploy) Write(f *buildfile.Buildfile) {
 	if d.SSH != nil {
 		d.SSH.Write(f)
 	}
+	if d.Tsuru != nil {
+		d.Tsuru.Write(f)
+	}
 }

pkg/plugin/deploy/tsuru.go

@@ -0,0 +1,38 @@
+package deploy
+
+import (
+	"fmt"
+	"github.com/drone/drone/pkg/build/buildfile"
+)
+
+type Tsuru struct {
+	Force  bool   `yaml:"force,omitempty"`
+	Branch string `yaml:"branch,omitempty"`
+	Remote string `yaml:"remote,omitempty"`
+}
+
+func (h *Tsuru) Write(f *buildfile.Buildfile) {
+	// get the current commit hash
+	f.WriteCmdSilent("COMMIT=$(git rev-parse HEAD)")
+
+	// set the git user and email based on the individual
+	// that made the commit.
+	f.WriteCmdSilent("git config --global user.name $(git --no-pager log -1 --pretty=format:'%an')")
+	f.WriteCmdSilent("git config --global user.email $(git --no-pager log -1 --pretty=format:'%ae')")
+
+	// add tsuru as a git remote
+	f.WriteCmd(fmt.Sprintf("git remote add tsuru %s", h.Remote))
+
+	switch h.Force {
+	case true:
+		// this is useful when the there are artifacts generated
+		// by the build script, such as less files converted to css,
+		// that need to be deployed to Tsuru.
+		f.WriteCmd(fmt.Sprintf("git add -A"))
+		f.WriteCmd(fmt.Sprintf("git commit -m 'adding build artifacts'"))
+		f.WriteCmd(fmt.Sprintf("git push tsuru $COMMIT:master --force"))
+	case false:
+		// otherwise we just do a standard git push
+		f.WriteCmd(fmt.Sprintf("git push tsuru $COMMIT:master"))
+	}
+}