move commits model into models package

pkg/models/commit.go

@@ -0,0 +1,37 @@
+package models
+
+import "fmt"
+
+// Commit : A git commit
+type Commit struct {
+	Sha           string
+	Name          string
+	Status        string // one of "unpushed", "pushed", "merged", "rebasing" or "selected"
+	Action        string // one of "", "pick", "edit", "squash", "reword", "drop", "fixup"
+	Tags          []string
+	ExtraInfo     string // something like 'HEAD -> master, tag: v0.15.2'
+	Author        string
+	UnixTimestamp int64
+
+	// IsMerge tells us whether we're dealing with a merge commit i.e. a commit with two parents
+	IsMerge bool
+}
+
+func (c *Commit) ShortSha() string {
+	if len(c.Sha) < 8 {
+		return c.Sha
+	}
+	return c.Sha[:8]
+}
+
+func (c *Commit) RefName() string {
+	return c.Sha
+}
+
+func (c *Commit) ID() string {
+	return c.RefName()
+}
+
+func (c *Commit) Description() string {
+	return fmt.Sprintf("%s %s", c.Sha[:7], c.Name)
+}