refactor(installer): externalize installer

Move installation-related code out of `main.go` and into a new
`installer.Run` method.
This commit is contained in:
Chris Lane 2020-11-28 10:32:37 -05:00
parent a81dd96ff4
commit ecc96c64f9
3 changed files with 62 additions and 54 deletions

View File

@ -5,7 +5,6 @@ package main
import (
"fmt"
"os"
"path"
"runtime"
"strings"
@ -74,62 +73,16 @@ func main() {
os.Exit(0)
}
// read the config template
configs := configs()
// determine the appropriate paths for config data and (optional) community
// cheatsheets based on the user's platform
// choose a confpath
confpath = confpaths[0]
confdir := path.Dir(confpath)
// create paths for community and personal cheatsheets
community := path.Join(confdir, "/cheatsheets/community")
personal := path.Join(confdir, "/cheatsheets/personal")
// template the above paths into the default configs
configs = strings.Replace(configs, "COMMUNITY_PATH", community, -1)
configs = strings.Replace(configs, "PERSONAL_PATH", personal, -1)
// prompt the user to download the community cheatsheets
yes, err = installer.Prompt(
"Would you like to download the community cheatsheets? [Y/n]",
true,
)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create config: %v\n", err)
os.Exit(1)
}
// clone the community cheatsheets if so instructed
if yes {
// clone the community cheatsheets
if err := installer.Clone(community); err != nil {
fmt.Fprintf(os.Stderr, "failed to create config: %v\n", err)
os.Exit(1)
}
// also create a directory for personal cheatsheets
if err := os.MkdirAll(personal, os.ModePerm); err != nil {
fmt.Fprintf(
os.Stderr,
"failed to create config: failed to create directory: %s: %v\n",
personal,
err)
os.Exit(1)
}
}
// the config file does not exist, so we'll try to create one
if err = config.Init(confpath, configs); err != nil {
fmt.Fprintf(
os.Stderr,
"failed to create config file: %s: %v\n",
confpath,
err,
)
// run the installer
if err := installer.Run(configs(), confpath); err != nil {
fmt.Fprintf(os.Stderr, "failed to run installer: %v\n", err)
os.Exit(1)
}
// notify the user and exit
fmt.Printf("Created config file: %s\n", confpath)
fmt.Println("Please read this file for advanced configuration information.")
os.Exit(0)

View File

@ -8,8 +8,8 @@ import (
const cloneURL = "https://github.com/cheat/cheatsheets.git"
// Clone clones the community cheatsheets
func Clone(path string) error {
// clone clones the community cheatsheets
func clone(path string) error {
// perform the clone in a shell
cmd := exec.Command("git", "clone", cloneURL, path)

55
internal/installer/run.go Normal file
View File

@ -0,0 +1,55 @@
package installer
import (
"fmt"
"os"
"path"
"strings"
"github.com/cheat/cheat/internal/config"
)
// Run runs the installer
func Run(configs string, confpath string) error {
// determine the appropriate paths for config data and (optional) community
// cheatsheets based on the user's platform
confdir := path.Dir(confpath)
// create paths for community and personal cheatsheets
community := path.Join(confdir, "/cheatsheets/community")
personal := path.Join(confdir, "/cheatsheets/personal")
// template the above paths into the default configs
configs = strings.Replace(configs, "COMMUNITY_PATH", community, -1)
configs = strings.Replace(configs, "PERSONAL_PATH", personal, -1)
// prompt the user to download the community cheatsheets
yes, err := Prompt(
"Would you like to download the community cheatsheets? [Y/n]",
true,
)
if err != nil {
return fmt.Errorf("failed to prompt: %v", err)
}
// clone the community cheatsheets if so instructed
if yes {
// clone the community cheatsheets
if err := clone(community); err != nil {
return fmt.Errorf("failed to clone cheatsheets: %v", err)
}
// also create a directory for personal cheatsheets
if err := os.MkdirAll(personal, os.ModePerm); err != nil {
return fmt.Errorf("failed to create directory: %v", err)
}
}
// the config file does not exist, so we'll try to create one
if err = config.Init(confpath, configs); err != nil {
return fmt.Errorf("failed to create config file: %v", err)
}
return nil
}