Remove dependency on strptime

evaluator/parsedate.go

@@ -3,17 +3,10 @@ package evaluator
 import (
 	"reflect"
 	"time"
-
-	"github.com/jeffjen/datefmt"
 )
 
 var zeroTime time.Time
 
-// Strptime handles formats that time.Parse can't
-var dateFormats = []string{
-	"%Y-%m-%d %H:%M:%S %Z", // "2006-01-02 15:04:05 -7"
-}
-
 var dateLayouts = []string{
 	// from the Go library
 	time.ANSIC,    // "Mon Jan _2 15:04:05 2006"
@@ -63,11 +56,5 @@ func ParseDate(s string) (time.Time, error) {
 			return t, nil
 		}
 	}
-	for _, format := range dateFormats {
-		t, err := datefmt.Strptime(format, s)
-		if err == nil {
-			return t, nil
-		}
-	}
 	return zeroTime, conversionError("", s, reflect.TypeOf(zeroTime))
 }

evaluator/parsedate_test.go

@@ -14,10 +14,4 @@ func TestConstant(t *testing.T) {
 	dt, err = ParseDate("2017-07-09 10:40:00 UTC")
 	require.NoError(t, err)
 	require.Equal(t, timeMustParse("2017-07-09T10:40:00Z"), dt)
-
-	// FIXME this actually ignores the tz. It's at least in the right ballpark;
-	// IMO better for content rendering than total failure.
-	dt, err = ParseDate("2017-07-09 15:30:00 -4")
-	require.NoError(t, err)
-	// require.Equal(t, timeMustParse("2017-07-09T15:30:00Z"), dt)
 }