✨ parse project files. start command

cmd/root.go

@@ -22,6 +22,7 @@ THE SOFTWARE.
 package cmd
 
 import (
+	"errors"
 	"fmt"
 	"os"
 
@@ -35,10 +36,17 @@ var cfgFile string
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
-	Use:   "workon",
+	Use:   "workon [project]",
 	Short: "Manage tmux sessions",
 	Long:  "",
-	Run:   func(cmd *cobra.Command, args []string) {},
+	Args: func(cmd *cobra.Command, args []string) error {
+		if len(args) < 1 {
+			return errors.New("No project or command given")
+		}
+		startCmd.Run(cmd, args)
+		return nil
+	},
+	Run: func(cmd *cobra.Command, args []string) {},
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.

cmd/start.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2020 James Walker <walkah@walkah.net>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/walkah/workon/tmux"
+)
+
+// startCmd represents the start command
+var startCmd = &cobra.Command{
+	Use:   "start [PROJECT]",
+	Short: "Start working on a project",
+	Long:  "",
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) < 1 {
+			fmt.Println("No project given")
+			return
+		}
+		tmux.StartProject(args[0])
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(startCmd)
+}

go.mod

@@ -7,4 +7,5 @@ require (
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.4.0
+	gopkg.in/yaml.v2 v2.2.8
 )

go.sum

@@ -1,4 +1,5 @@
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@@ -10,15 +11,20 @@ github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghf
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@@ -31,8 +37,11 @@ github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4er
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@@ -42,26 +51,40 @@ github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T
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@@ -121,22 +159,37 @@ golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200413165638-669c56c373c4 h1:opSr2sbRXk5X5/givKrrKj9HXxFpW2sdCiP8MJSKLQY=
+golang.org/x/sys v0.0.0-20200413165638-669c56c373c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.55.0 h1:E8yzL5unfpW3M6fz/eB7Cb5MQAYSZ7GKo4Qth+N2sgQ=
+gopkg.in/ini.v1 v1.55.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

tmux/project.go

@@ -0,0 +1,91 @@
+package tmux
+
+import (
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+
+	"github.com/mitchellh/go-homedir"
+	"gopkg.in/yaml.v2"
+)
+
+type Project struct {
+	Name    string   `yaml:"name"`
+	Root    string   `yaml:"root"`
+	Windows []Window `yaml:"windows"`
+}
+
+func StartProject(name string) {
+	p, err := LoadProject(name)
+	if err != nil {
+		fmt.Println("Unable to load project:", err)
+		os.Exit(1)
+	}
+
+	tmux := CreateTmux(false)
+
+	if !sessionExists(name) {
+		tmux.Run("new-session", "-d", "-s", name, "-n", p.Windows[0].Name, "-c", p.Windows[0].Root)
+
+		for index, window := range p.Windows {
+			if index > 0 {
+				window.Create(tmux)
+			}
+
+			window.SendCommands(tmux)
+		}
+
+		p.Windows[0].Focus(tmux)
+	}
+
+	tmux.Attach(name)
+}
+
+// LoadProject loads and parses the config for the given project.
+func LoadProject(name string) (*Project, error) {
+	project := &Project{}
+
+	home, _ := homedir.Dir()
+	fileName := path.Join(home, ".workon", name+".yml")
+
+	data, err := ioutil.ReadFile(fileName)
+	if err != nil {
+		return project, err
+	}
+
+	err = yaml.Unmarshal(data, project)
+	if len(project.Windows) < 1 {
+		return project, errors.New("No windows defined")
+	}
+
+	rootPath := project.GetRoot()
+	for index, window := range project.Windows {
+		project.Windows[index].ID = fmt.Sprintf("%s:%d", project.Name, index)
+		project.Windows[index].Root = filepath.Join(rootPath, window.Root)
+	}
+
+	return project, err
+}
+
+func (p *Project) GetRoot() string {
+	rootPath, err := homedir.Expand(p.Root)
+	if err != nil {
+		fmt.Println("Unable to find root path")
+	}
+	return rootPath
+}
+
+func sessionExists(name string) bool {
+	t := Tmux{}
+	result, err := t.Exec("ls")
+	if err != nil {
+		return false
+	}
+
+	re := regexp.MustCompile(fmt.Sprintf("^%s:", name))
+	return re.MatchString(string(result))
+}

tmux/tmux.go

@@ -0,0 +1,56 @@
+package tmux
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+	"syscall"
+)
+
+type Tmux struct {
+	BinPath string
+	Debug   bool
+}
+
+func CreateTmux(debug bool) *Tmux {
+	return &Tmux{Debug: debug}
+}
+
+func (t *Tmux) Exec(args ...string) ([]byte, error) {
+	bin := t.getBinary()
+	if t.Debug {
+		fmt.Println(bin, strings.Join(args, " "))
+	}
+	return exec.Command(bin, args...).CombinedOutput()
+}
+
+func (t *Tmux) Run(args ...string) {
+	output, err := t.Exec(args...)
+	if err != nil {
+		fmt.Println(err, string(output))
+	}
+}
+
+func (t *Tmux) Attach(name string) {
+	args := []string{}
+	args = append(args, "-u", "attach-session", "-t", name)
+
+	err := syscall.Exec(t.getBinary(), args, os.Environ())
+	if err != nil {
+		fmt.Println("Error:", err)
+	}
+}
+
+func (t *Tmux) getBinary() string {
+	if t.BinPath != "" {
+		return t.BinPath
+	}
+
+	tmux, err := exec.LookPath("tmux")
+	if err != nil {
+		fmt.Println("Error:", err)
+	}
+
+	return tmux
+}

tmux/window.go

@@ -0,0 +1,27 @@
+package tmux
+
+import (
+	"strings"
+)
+
+type Window struct {
+	Name     string   `yaml:"name"`
+	Root     string   `yaml:"root"`
+	Commands []string `yaml:"commands"`
+	ID       string   `yaml:"-"`
+}
+
+func (w *Window) Create(tmux *Tmux) {
+	tmux.Run("new-window", "-t", w.ID, "-n", w.Name, "-c", w.Root)
+}
+
+func (w *Window) SendCommands(tmux *Tmux) {
+	if len(w.Commands) > 0 {
+		tmux.Run("send-keys", "-t", w.ID, strings.Join(w.Commands, ";"))
+		tmux.Run("send-keys", "-t", w.ID, "Enter")
+	}
+}
+
+func (w *Window) Focus(tmux *Tmux) {
+	tmux.Run("select-window", "-t", w.ID)
+}