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package argvpb
// makes the needed bash completion in the bash standard paths
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"go.wit.com/lib/config"
)
func MakeBashCompleteFiles(argname string) {
fmt.Println(makeBashCompletionText2(argname))
homeDir, err := os.UserHomeDir()
if err != nil {
fmt.Printf("# %v\n", err)
os.Exit(0)
}
filename := filepath.Join(homeDir, ".local/share/bash-completion/completions", argname)
if config.Exists(filename) {
fmt.Fprintln(os.Stderr, "# file already exists", filename)
}
basedir, _ := filepath.Split(filename)
if !config.IsDir(basedir) {
os.MkdirAll(basedir, 0755)
}
if f, err := os.OpenFile(filename, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644); err == nil {
f.Write([]byte(makeBashCompletionText2(argname)))
f.Close()
} else {
fmt.Fprintln(os.Stderr, "# open file error", filename, err)
}
}
func makeCompletionText(argname string) string {
sh := getParentProcessName()
return fmt.Sprintf("# shell might be %s", sh)
}
func makeBashCompletionText(argname string) string {
var out string
out += fmt.Sprintf("# add this in your bashrc:\n")
out += fmt.Sprintf("\n")
out += fmt.Sprintf("# todo: add this to go-arg as a 'hidden' go-arg option --bash\n")
out += fmt.Sprintf("#\n")
out += fmt.Sprintf("# Put the below in the file: ~/.local/share/bash-completion/completions/%s\n", argname)
out += fmt.Sprintf("#\n")
out += fmt.Sprintf("# todo: make this output work/parse with:\n")
out += fmt.Sprintf("# complete -C %s --bash go\n", argname)
out += fmt.Sprintf("\n")
out += fmt.Sprintf("_%s_complete()\n", argname)
out += fmt.Sprintf("{\n")
out += fmt.Sprintf(" # sets local to this func vars\n")
out += fmt.Sprintf(" local cur prev all\n")
out += fmt.Sprintf(" cur=${COMP_WORDS[COMP_CWORD]}\n")
out += fmt.Sprintf(" prev=${COMP_WORDS[COMP_CWORD-1]}\n")
out += fmt.Sprintf(" all=${COMP_WORDS[@]}\n")
out += fmt.Sprintf("\n")
out += fmt.Sprintf(" # this is where we generate the go-arg output\n")
out += fmt.Sprintf(" GOARGS=$(%s --auto-complete $prev \\'$cur\\' $all)\n", argname)
out += fmt.Sprintf("\n")
out += fmt.Sprintf(" # this compares the command line input from the user\n")
out += fmt.Sprintf(" # to whatever strings we output\n")
out += fmt.Sprintf(" COMPREPLY=( $(compgen -W \"$GOARGS\" -- $cur) ) # THIS WORKS\n")
out += fmt.Sprintf(" return 0\n")
out += fmt.Sprintf("}\n")
out += fmt.Sprintf("complete -F _%s_complete %s\n", argname, argname)
out += fmt.Sprintf("\n")
out += fmt.Sprintf("# copy and paste the above into your bash shell should work\n")
return out
}
func makeBashCompletionText2(argname string) string {
var out string
out += fmt.Sprintf("# add this in your bashrc:\n")
out += fmt.Sprintf("\n")
out += fmt.Sprintf("# todo: add this to go-arg as a 'hidden' go-arg option --bash\n")
out += fmt.Sprintf("#\n")
out += fmt.Sprintf("# Put the below in the file: ~/.local/share/bash-completion/completions/%s\n", argname)
out += fmt.Sprintf("#\n")
out += fmt.Sprintf("# todo: make this output work/parse with:\n")
out += fmt.Sprintf("# complete -C %s --bash go\n", argname)
out += fmt.Sprintf("\n")
out += fmt.Sprintf("_%s_complete()\n", argname)
out += fmt.Sprintf("{\n")
out += fmt.Sprintf(" # sets local to this func vars\n")
out += fmt.Sprintf(" local cur prev all\n")
out += fmt.Sprintf(" cur=${COMP_WORDS[COMP_CWORD]}\n")
out += fmt.Sprintf(" # prev=${COMP_WORDS[COMP_CWORD-1]}\n")
out += fmt.Sprintf(" all=${COMP_WORDS[@]}\n")
out += fmt.Sprintf("\n")
out += fmt.Sprintf(" # this is where we generate the go-arg output\n")
out += fmt.Sprintf(" GOARGS=$(%s --auto-complete \\'$cur\\' $all)\n", argname)
out += fmt.Sprintf("\n")
out += fmt.Sprintf(" # this compares the command line input from the user\n")
out += fmt.Sprintf(" # to whatever strings we output\n")
out += fmt.Sprintf(" COMPREPLY=( $(compgen -W \"$GOARGS\" -- $cur) ) # THIS WORKS\n")
out += fmt.Sprintf(" return 0\n")
out += fmt.Sprintf("}\n")
out += fmt.Sprintf("complete -F _%s_complete %s\n", argname, argname)
out += fmt.Sprintf("\n")
out += fmt.Sprintf("# copy and paste the above into your bash shell should work\n")
return out
}
func getParentProcessName() string {
ppid := os.Getppid()
// On Linux, the command name is in /proc/<pid>/comm
commPath := fmt.Sprintf("/proc/%d/comm", ppid)
content, err := ioutil.ReadFile(commPath)
if err != nil {
return "unknown"
}
// The file content has a trailing newline, so trim it.
return strings.TrimSpace(string(content))
}
|
