Initial commit

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

validate/rules.go

@@ -0,0 +1,51 @@
+package validate
+
+import "github.com/vbatts/git-validation/git"
+
+var (
+	// RegisteredRules are the standard validation to perform on git commits
+	RegisteredRules = []Rule{}
+)
+
+// RegisterRule includes the Rule in the avaible set to use
+func RegisterRule(vr Rule) {
+	RegisteredRules = append(RegisteredRules, vr)
+}
+
+// Rule will operate over a provided git.CommitEntry, and return a result.
+type Rule struct {
+	Name        string // short name for reference in in the `-run=...` flag
+	Description string // longer Description for readability
+	Run         func(git.CommitEntry) Result
+}
+
+// Commit processes the given rules on the provided commit, and returns the result set.
+func Commit(c git.CommitEntry, rules []Rule) Results {
+	results := Results{}
+	for _, r := range rules {
+		results = append(results, r.Run(c))
+	}
+	return results
+}
+
+// Result is the result for a single validation of a commit.
+type Result struct {
+	CommitEntry git.CommitEntry
+	Pass        bool
+	Msg         string
+}
+
+// Results is a set of results. This is type makes it easy for the following function.
+type Results []Result
+
+// PassFail gives a quick over/under of passes and failures of the results in this set
+func (vr Results) PassFail() (pass int, fail int) {
+	for _, res := range vr {
+		if res.Pass {
+			pass++
+		} else {
+			fail++
+		}
+	}
+	return pass, fail
+}