build: support auto-completion for bash

build/deb/completions/bash_autocomplete

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+: ${PROG:=$(basename ${BASH_SOURCE})}
+
+# Macs have bash3 for which the bash-completion package doesn't include
+# _init_completion. This is a minimal version of that function.
+_cli_init_completion() {
+    COMPREPLY=()
+    _get_comp_words_by_ref "$@" cur prev words cword
+}
+
+_cli_bash_autocomplete() {
+    if [[ "${COMP_WORDS[0]}" != "source" ]]; then
+        local cur opts base words
+        COMPREPLY=()
+        cur="${COMP_WORDS[COMP_CWORD]}"
+        if declare -F _init_completion >/dev/null 2>&1; then
+            _init_completion -n "=:" || return
+        else
+            _cli_init_completion -n "=:" || return
+        fi
+        words=("${words[@]:0:$cword}")
+        if [[ "$cur" == "-"* ]]; then
+            requestComp="${words[*]} ${cur} --generate-bash-completion"
+        else
+            requestComp="${words[*]} --generate-bash-completion"
+        fi
+        opts=$(eval "${requestComp}" 2>/dev/null)
+        COMPREPLY=($(compgen -W "${opts}" -- ${cur}))
+        return 0
+    fi
+}
+
+complete -o bashdefault -o default -o nospace -F _cli_bash_autocomplete $PROG
+unset PROG

build/deb/completions/install.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -eo pipefail
+
+PROFILE="${HOME}/.bashrc"
+SRC_DIR="$(dirname "$0")"
+DEST_DIR="${HOME}/.bash_completion.d"
+XDC_PATH="\${HOME}/XDPoSChain/build/bin"
+CMD_STR="PROG=XDC source \${HOME}/.bash_completion.d/xdc.sh"
+
+mkdir -p ${DEST_DIR}
+cp ${SRC_DIR}/bash_autocomplete "${DEST_DIR}/xdc.sh"
+cp ${SRC_DIR}/zsh_autocomplete "${DEST_DIR}/xdc.zsh"
+
+if ! grep PATH ${PROFILE} | grep ${XDC_PATH} &>/dev/null; then
+    echo "export PATH=\${PATH}:${XDC_PATH}" >>"${PROFILE}"
+fi
+if ! grep -q "${CMD_STR}" "${PROFILE}"; then
+    echo "${CMD_STR}" >>"${PROFILE}"
+fi
+
+echo "please login again or run: source \${HOME}/.bashrc"

build/deb/completions/zsh_autocomplete

@@ -0,0 +1,20 @@
+#compdef $PROG
+
+_cli_zsh_autocomplete() {
+  local -a opts
+  local cur
+  cur=${words[-1]}
+  if [[ "$cur" == "-"* ]]; then
+    opts=("${(@f)$(${words[@]:0:#words[@]-1} ${cur} --generate-bash-completion)}")
+  else
+    opts=("${(@f)$(${words[@]:0:#words[@]-1} --generate-bash-completion)}")
+  fi
+
+  if [[ "${opts[1]}" != "" ]]; then
+    _describe 'values' opts
+  else
+    _files
+  fi
+}
+
+compdef _cli_zsh_autocomplete $PROG