1 files changed, 118 insertions, 0 deletions

diff --git a/vendor/github.com/posener/complete/cmd/install/utils.go b/vendor/github.com/posener/complete/cmd/install/utils.go
new file mode 100644
index 0000000..2c8b44c
--- /dev/null
+++ b/vendor/github.com/posener/complete/cmd/install/utils.go
@@ -0,0 +1,118 @@
+package install
+
+import (
+        "bufio"
+        "fmt"
+        "io"
+        "io/ioutil"
+        "os"
+)
+
+func lineInFile(name string, lookFor string) bool {
+        f, err := os.Open(name)
+        if err != nil {
+                return false
+        }
+        defer f.Close()
+        r := bufio.NewReader(f)
+        prefix := []byte{}
+        for {
+                line, isPrefix, err := r.ReadLine()
+                if err == io.EOF {
+                        return false
+                }
+                if err != nil {
+                        return false
+                }
+                if isPrefix {
+                        prefix = append(prefix, line...)
+                        continue
+                }
+                line = append(prefix, line...)
+                if string(line) == lookFor {
+                        return true
+                }
+                prefix = prefix[:0]
+        }
+}
+
+func appendToFile(name string, content string) error {
+        f, err := os.OpenFile(name, os.O_RDWR|os.O_APPEND, 0)
+        if err != nil {
+                return err
+        }
+        defer f.Close()
+        _, err = f.WriteString(fmt.Sprintf("\n%s\n", content))
+        return err
+}
+
+func removeFromFile(name string, content string) error {
+        backup := name + ".bck"
+        err := copyFile(name, backup)
+        if err != nil {
+                return err
+        }
+        temp, err := removeContentToTempFile(name, content)
+        if err != nil {
+                return err
+        }
+
+        err = copyFile(temp, name)
+        if err != nil {
+                return err
+        }
+
+        return os.Remove(backup)
+}
+
+func removeContentToTempFile(name, content string) (string, error) {
+        rf, err := os.Open(name)
+        if err != nil {
+                return "", err
+        }
+        defer rf.Close()
+        wf, err := ioutil.TempFile("/tmp", "complete-")
+        if err != nil {
+                return "", err
+        }
+        defer wf.Close()
+
+        r := bufio.NewReader(rf)
+        prefix := []byte{}
+        for {
+                line, isPrefix, err := r.ReadLine()
+                if err == io.EOF {
+                        break
+                }
+                if err != nil {
+                        return "", err
+                }
+                if isPrefix {
+                        prefix = append(prefix, line...)
+                        continue
+                }
+                line = append(prefix, line...)
+                str := string(line)
+                if str == content {
+                        continue
+                }
+                wf.WriteString(str + "\n")
+                prefix = prefix[:0]
+        }
+        return wf.Name(), nil
+}
+
+func copyFile(src string, dst string) error {
+        in, err := os.Open(src)
+        if err != nil {
+                return err
+        }
+        defer in.Close()
+        out, err := os.Create(dst)
+        if err != nil {
+                return err
+        }
+        defer out.Close()
+        _, err = io.Copy(out, in)
+        return err
+}