87 lines
2.8 KiB
Go
87 lines
2.8 KiB
Go
package fhelp
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// for use with Alex Flint's go-args package
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import (
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"fmt"
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"os"
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"path/filepath"
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"go.wit.com/lib/gui/shell"
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)
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// makes a bash autocomplete file for your command
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func DoBash(argname string) {
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if homeDir, err := os.UserHomeDir(); err == nil {
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filename := filepath.Join(homeDir, ".local/share/bash-completion/completions", argname)
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if shell.Exists(filename) {
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} else {
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if f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644); err == nil {
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f.Write([]byte(MakeBashCompletionText(argname)))
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f.Close()
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}
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fmt.Println("bash file created:", filename)
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}
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}
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fmt.Println(MakeBashCompletionText(argname))
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fmt.Println("restart bash")
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os.Exit(0)
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}
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func MakeBashCompletionText(argname string) string {
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var out string
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out += fmt.Sprintf("# add this in your bashrc:\n")
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out += fmt.Sprintf("\n")
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out += fmt.Sprintf("# todo: add this to go-arg as a 'hidden' go-arg option --bash\n")
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out += fmt.Sprintf("#\n")
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out += fmt.Sprintf("# Put the below in the file: ~/.local/share/bash-completion/completions/%s\n", argname)
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out += fmt.Sprintf("#\n")
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out += fmt.Sprintf("# todo: make this output work/parse with:\n")
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out += fmt.Sprintf("# complete -C %s --bash go\n", argname)
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out += fmt.Sprintf("\n")
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out += fmt.Sprintf("_%s_complete()\n", argname)
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out += fmt.Sprintf("{\n")
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out += fmt.Sprintf(" # sets local to this func vars\n")
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out += fmt.Sprintf(" local cur prev all\n")
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out += fmt.Sprintf(" cur=${COMP_WORDS[COMP_CWORD]}\n")
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out += fmt.Sprintf(" prev=${COMP_WORDS[COMP_CWORD-1]}\n")
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out += fmt.Sprintf(" all=${COMP_WORDS[@]}\n")
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out += fmt.Sprintf("\n")
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out += fmt.Sprintf(" # this is where we generate the go-arg output\n")
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out += fmt.Sprintf(" GOARGS=$(%s --auto-complete $prev \\'$cur\\' $all)\n", argname)
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out += fmt.Sprintf("\n")
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out += fmt.Sprintf(" # this compares the command line input from the user\n")
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out += fmt.Sprintf(" # to whatever strings we output\n")
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out += fmt.Sprintf(" COMPREPLY=( $(compgen -W \"$GOARGS\" -- $cur) ) # THIS WORKS\n")
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out += fmt.Sprintf(" return 0\n")
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out += fmt.Sprintf("}\n")
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out += fmt.Sprintf("complete -F _%s_complete %s\n", argname, argname)
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out += fmt.Sprintf("\n")
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out += fmt.Sprintf("# copy and paste the above into your bash shell should work\n")
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return out
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}
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/*
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// prints help to STDERR // TODO: move everything below this to go-args
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func (args) doBashHelp() {
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if argv.BashAuto[1] != "''" {
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// if this is not blank, then the user has typed something
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return
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}
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if argv.BashAuto[0] != ARGNAME {
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// if this is not the name of the command, the user already started doing something
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return
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}
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if argv.BashAuto[0] == ARGNAME {
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me.pp.WriteHelp(os.Stderr)
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return
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}
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fmt.Fprintln(os.Stderr, "")
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fmt.Fprintln(os.Stderr, "hello world")
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fmt.Fprintln(os.Stderr, "")
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}
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*/
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