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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
package main
import (
"fmt"
"os"
"path/filepath"
"go.wit.com/lib/gui/shell"
)
/*
handles shell autocomplete
*/
// used for shell auto completion
func (args) doBashAuto() {
// argv.doBashHelp()
switch argv.BashAuto[0] {
case "merge":
fmt.Println("--force")
default:
if argv.BashAuto[0] == ARGNAME {
// list the subcommands here
fmt.Println("list merge")
}
}
os.Exit(0)
}
// prints help to STDERR // TODO: move everything below this to go-args
func (args) doBashHelp() {
if len(argv.BashAuto) < 2 {
fmt.Fprintf(os.Stderr, "something went wrong with the GO args autocomplete in %s\n", ARGNAME)
return
}
if argv.BashAuto[1] != "''" {
// if this is not blank, then the user has typed something
return
}
if argv.BashAuto[0] != ARGNAME {
fmt.Fprintln(os.Stderr, argv.BashAuto[0])
// if this is not the name of the command, the user already started doing something
return
}
if argv.BashAuto[0] == ARGNAME {
me.pp.WriteHelp(os.Stderr)
return
}
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "something went wrong with the GO args package")
fmt.Fprintln(os.Stderr, "")
}
func (args) doBash() {
if homeDir, err := os.UserHomeDir(); err == nil {
filename := filepath.Join(homeDir, ".local/share/bash-completion/completions", ARGNAME)
if !shell.Exists(filename) {
if f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644); err == nil {
f.Write([]byte(makeBashCompletionText(ARGNAME)))
f.Close()
}
}
}
fmt.Println(makeBashCompletionText(ARGNAME))
}
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 " + argname + " --bash go\n")
out += fmt.Sprintf("\n")
out += fmt.Sprintf("_" + argname + "_complete()\n")
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=${COMP_WORDS[@]}\n")
out += fmt.Sprintf("\n")
out += fmt.Sprintf(" # this is where we generate the go-arg output\n")
out += fmt.Sprintf(" GOARGS=$(" + argname + " --auto-complete $prev \\'$cur\\' $all)\n")
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
}
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