git-pull-all

Command to pull all the repositories under a given directory.

diff --git a/.gitignore b/.gitignore
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+# Created by https://www.toptal.com/developers/gitignore/api/intellij,go
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+
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+
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+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
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+# File-based project format
+*.iws
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+# IntelliJ
+out/
+
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diff --git a/README.md b/README.md
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+# Go Utils
+
+Utilities written in Go language, mostly to make use of cheap concurrency using goroutines.
+
+## Usage
+
+Compile and put goutils binary somewhere on your PATH.
+
+## Utils
+
+### Git Pull All
+
+Command to pull all the repositories under a given directory.
+
+```shell script
+cd dir/with/all/the/repos
+goutils git-pull-all
+
+# Alias
+goutils gpa
+```
+
+## Aliases
+
+```shell script
+alias gpa="goutils git-pull-all"
+```

diff --git a/go.mod b/go.mod
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+++ b/go.mod
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+module njoseph.me/goutils
+
+go 1.15
+
+require github.com/urfave/cli v1.22.5

diff --git a/main.go b/main.go
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+++ b/main.go
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+package main
+
+import (
+       "log"
+       "os"
+
+       "github.com/urfave/cli"
+       "njoseph.me/goutils/utils"
+)
+
+var app = cli.NewApp()
+
+func Info() {
+       app.Name = "Go Utils"
+       app.Usage = "goutils command"
+       app.Author = "Joseph Nuthalapati"
+       app.Version = "0.0.1"
+}
+
+func Commands() {
+       app.Commands = []cli.Command{
+               {
+                       Name:    "git-pull-all",
+                       Aliases: []string{"gpa"},
+                       Action: func(c *cli.Context) {
+                               utils.GitPullAll()
+                       },
+               },
+       }
+}
+
+func main() {
+       Info()
+       Commands()
+
+       err := app.Run(os.Args)
+       if err != nil {
+               log.Fatal(err)
+       }
+}

diff --git a/utils/git_pull_all.go b/utils/git_pull_all.go
new file mode 100644 (file)
index 0000000..f2bd685
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+++ b/utils/git_pull_all.go
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+package utils
+
+import (
+       "io/ioutil"
+       "log"
+       "os"
+       "os/exec"
+       "sync"
+)
+
+func GitPullAll() {
+       currentDirectory, err := os.Getwd()
+       if err != nil {
+               log.Fatal("Error when trying to get current directory!")
+       } else {
+               log.Println("Pulling all git repositories in the directory: ", currentDirectory, "...")
+
+               files, err := ioutil.ReadDir("./")
+               if err != nil {
+                       log.Fatal(err.Error())
+               }
+               var wg sync.WaitGroup
+
+               for _, f := range files {
+                       if f.IsDir() {
+                               wg.Add(1)
+                               go doGitPull(&wg, f)
+                       }
+               }
+               wg.Wait()
+       }
+}
+
+func doGitPull(wg *sync.WaitGroup, dir os.FileInfo) {
+       defer wg.Done()
+       output, err := exec.Command("git", "-C", dir.Name(), "pull", "--rebase").Output()
+       if err != nil {
+               log.Println("Error pulling", dir.Name(), err.Error())
+       }
+       log.Println("Pulling", dir.Name(), "\n", string(output))
+}