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support completions for command aliases

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This commit is contained in:
Rajat Jindal 2018-04-10 09:20:55 -07:00
parent cd30c2a7e9
commit 947f0efbe0
1 changed files with 22 additions and 0 deletions
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22
bash_completions.go
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@ -251,6 +251,14 @@ __%[1]s_handle_word()
__%[1]s_handle_command
elif [[ $c -eq 0 ]]; then
__%[1]s_handle_command
elif __%[1]s_contains_word "${words[c]}" "${command_aliases[@]}"; then
# aliashash variable is an associative array which is only supported in bash > 3.
if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then
words[c]=${aliashash[${words[c]}]}
__%[1]s_handle_command
else
__%[1]s_handle_noun
fi
else
__%[1]s_handle_noun
fi
@ -266,6 +274,7 @@ func writePostscript(buf *bytes.Buffer, name string) {
buf.WriteString(fmt.Sprintf(`{
local cur prev words cword
declare -A flaghash 2>/dev/null || :
declare -A aliashash 2>/dev/null || :
if declare -F _init_completion >/dev/null 2>&1; then
_init_completion -s || return
else
@ -305,6 +314,7 @@ func writeCommands(buf *bytes.Buffer, cmd *Command) {
continue
}
buf.WriteString(fmt.Sprintf(" commands+=(%q)\n", c.Name()))
writeCmdAliases(buf, c)
}
buf.WriteString("\n")
}
@ -443,6 +453,14 @@ func writeRequiredNouns(buf *bytes.Buffer, cmd *Command) {
}
}
func writeCmdAliases(buf *bytes.Buffer, cmd *Command) {
sort.Sort(sort.StringSlice(cmd.Aliases))
for _, value := range cmd.Aliases {
buf.WriteString(fmt.Sprintf(" command_aliases+=(%q)\n", value))
buf.WriteString(fmt.Sprintf(" aliashash[%q]=%q\n", value, cmd.Name()))
}
buf.WriteString("\n")
}
func writeArgAliases(buf *bytes.Buffer, cmd *Command) {
buf.WriteString(" noun_aliases=()\n")
sort.Sort(sort.StringSlice(cmd.ArgAliases))
@ -469,6 +487,10 @@ func gen(buf *bytes.Buffer, cmd *Command) {
}
buf.WriteString(fmt.Sprintf(" last_command=%q\n", commandName))
buf.WriteString("\n")
buf.WriteString(" command_aliases=()\n")
buf.WriteString("\n")
writeCommands(buf, cmd)
writeFlags(buf, cmd)
writeRequiredFlag(buf, cmd)