initial commit

gitcommands.go

@@ -0,0 +1,96 @@
+// Go has various value types including strings,
+// integers, floats, booleans, etc. Here are a few
+// basic examples.
+
+package gitgot
+
+import (
+  "fmt"
+  // "log"
+  "os/exec"
+  "os"
+  "strings"
+  "regexp"
+  "runtime"
+)
+
+// Map (from https://gobyexample.com/collection-functions)
+func Map(vs []string, f func(string) string) []string {
+    vsm := make([]string, len(vs))
+    for i, v := range vs {
+        vsm[i] = f(v)
+    }
+    return vsm
+}
+
+func sanitisedFileString(fileString string) string {
+  r := regexp.MustCompile("\\s| \\(new commits\\)|.* ")
+  fileString = r.ReplaceAllString(fileString, "")
+  return fileString
+}
+
+func filesByMatches(statusString string, targets []string) []string {
+  files := make([]string, 0)
+  for _, target := range targets {
+    if strings.Index(statusString, target) == -1 {
+      continue
+    }
+    r := regexp.MustCompile("(?s)" + target + ".*?\n\n(.*?)\n\n")
+    // fmt.Println(r)
+
+    matchedFileStrings := strings.Split(r.FindStringSubmatch(statusString)[1], "\n")
+    // fmt.Println(matchedFileStrings)
+
+    matchedFiles := Map(matchedFileStrings, sanitisedFileString)
+    // fmt.Println(matchedFiles)
+    files = append(files, matchedFiles...)
+
+  }
+
+  breakHere()
+
+  // fmt.Println(files)
+  return files
+}
+
+func breakHere() {
+  if len(os.Args) > 1 && os.Args[1] == "debug" {
+    runtime.Breakpoint()
+  }
+}
+
+func filesToStage(statusString string) []string {
+  targets := []string{"Changes not staged for commit:", "Untracked files:"}
+  return filesByMatches(statusString, targets)
+}
+
+func filesToUnstage(statusString string) []string {
+  targets := []string{"Changes to be committed:"}
+  return filesByMatches(statusString, targets)
+}
+
+func runCommand(cmd string) (string, error) {
+  splitCmd := strings.Split(cmd, " ")
+  // fmt.Println(splitCmd)
+
+  cmdOut, err := exec.Command(splitCmd[0], splitCmd[1:]...).Output()
+
+  // if err != nil {
+  //   os.Exit(1)
+  // }
+
+  return string(cmdOut), err
+}
+
+func testGettingFiles() {
+
+  statusString, _ := runCommand("git status")
+  fmt.Println(filesToStage(statusString))
+  fmt.Println(filesToUnstage(statusString))
+
+  runCommand("git add hello-world.go")
+
+
+}
+
+