fix: int comes in as float from json

resolves #755

src/properties.go

@@ -121,12 +121,17 @@ func (p *properties) getInt(property Property, defaultValue int) int {
 		return defaultValue
 	}
 
-	intValue, ok := val.(int)
+	if intValue, ok := val.(int); ok {
+		return intValue
+	}
+
+	// json parses a float
+	intValue, ok := val.(float64)
 	if !ok {
 		return defaultValue
 	}
 
-	return intValue
+	return int(intValue)
 }
 
 func (p *properties) getKeyValueMap(property Property, defaultValue map[string]string) map[string]string {

src/segment_git.go

@@ -342,7 +342,7 @@ func (g *git) getGitHEADContext(ref string) string {
 
 func (g *git) truncateBranch(branch string) string {
 	maxLength := g.props.getInt(BranchMaxLength, 0)
-	if maxLength == 0 {
+	if maxLength == 0 || len(branch) < maxLength {
 		return branch
 	}
 	return branch[0:maxLength]

src/segment_git_test.go

@@ -778,9 +778,10 @@ func TestTruncateBranch(t *testing.T) {
 		MaxLength interface{}
 	}{
 		{Case: "No limit", Expected: "all-your-base-are-belong-to-us", Branch: "all-your-base-are-belong-to-us"},
-		{Case: "No limit - larger", Expected: "all-your-base", Branch: "all-your-base-are-belong-to-us", MaxLength: 13},
-		{Case: "No limit - smaller", Expected: "all-your-base", Branch: "all-your-base", MaxLength: 13},
+		{Case: "No limit - larger", Expected: "all-your-base", Branch: "all-your-base-are-belong-to-us", MaxLength: 13.0},
+		{Case: "No limit - smaller", Expected: "all-your-base", Branch: "all-your-base", MaxLength: 13.0},
 		{Case: "Invalid setting", Expected: "all-your-base", Branch: "all-your-base", MaxLength: "burp"},
+		{Case: "Lower than limit", Expected: "all-your-base", Branch: "all-your-base", MaxLength: 20.0},
 	}
 
 	for _, tc := range cases {