Add fileutil.go

4 files changed, 21 insertions, 19 deletions

diff --git a/exec.go b/exec.go
index 6afd0e8..c419be1 100644
--- a/exec.go
+++ b/exec.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"os"
 	"path/filepath"
 	"strings"
 	"sync"
@@ -127,15 +126,6 @@ func (v AutoSuffixFVar) Eval(w io.Writer, ev *Evaluator) {
 	}
 }
 
-// TODO(ukai): use time.Time?
-func getTimestamp(filename string) int64 {
-	st, err := os.Stat(filename)
-	if err != nil {
-		return -2
-	}
-	return st.ModTime().Unix()
-}
-
 func (ex *Executor) makeJobs(n *DepNode, neededBy *Job) error {
 	output := n.Output
 	if neededBy != nil {
diff --git a/fileutil.go b/fileutil.go
new file mode 100644
index 0000000..80ad02e
--- /dev/null
+++ b/fileutil.go
@@ -0,0 +1,12 @@
+package main
+
+import "os"
+
+func exists(filename string) bool {
+	f, err := os.Open(filename)
+	if err != nil {
+		return false
+	}
+	f.Close()
+	return true
+}
diff --git a/parser.go b/parser.go
index b88c9bb..489f77f 100644
--- a/parser.go
+++ b/parser.go
@@ -42,15 +42,6 @@ type parser struct {
 	numIfNest   int
 }
 
-func exists(filename string) bool {
-	f, err := os.Open(filename)
-	if err != nil {
-		return false
-	}
-	f.Close()
-	return true
-}
-
 func newParser(rd io.Reader, filename string) *parser {
 	p := &parser{
 		rd: bufio.NewReader(rd),
diff --git a/worker.go b/worker.go
index 2406e90..7b8d723 100644
--- a/worker.go
+++ b/worker.go
@@ -183,6 +183,15 @@ func (j Job) createRunners() []runner {
 	return runners
 }
 
+// TODO(ukai): use time.Time?
+func getTimestamp(filename string) int64 {
+	st, err := os.Stat(filename)
+	if err != nil {
+		return -2
+	}
+	return st.ModTime().Unix()
+}
+
 func (j Job) build() {
 	if j.n.IsPhony {
 		j.outputTs = -2 // trigger cmd even if all inputs don't exist.