Refine 'gist config'

- Update helper message
- Remove checking for removed command
- Print modified configuration after 'gist config'

1 files changed, 5 insertions, 4 deletions

diff --git a/gist b/gist
index 47a43bb..3f6b3ba 100755
--- a/gist
+++ b/gist
@@ -30,7 +30,8 @@
 #   delete, D <INDEX>... [--force]          Delete gists by given indices
 #   push,   P <INDEX>             Push changes by git (well, better to make commit by youself)
 #   clean,  C                     Clean local repos of removed gists
-#   config, c [token|user|folder|auto_sync|EDITOR|action|protocol|show_untagged [value]]  Do configuration
+#   config, c                     Configure with editor, will show all valid keys
+#   config, c <VALID_KEY> [value] Configure a single option. If no value is specified, apply default setting
 #   user,   u <USER>              Get list of gists with a given Github user
 #   github, G <INDEX>             Export selected gist as a new Github repo
 #   help,   h                     Show this help message
@@ -195,7 +196,7 @@ _ask_token() {
 
 # Check configuration is fine with user setting
 _validate_config() {
-  [[ $1 =~ ^(c|config|h|help|u|user|update|version) ]] && return 0
+  [[ $1 =~ ^(c|config|h|help|u|user|update) ]] && return 0
   if [[ -z $user ]]; then
     echo 'Hi fellow! To access your gists, I need your Github username'
     echo "Also a personal token with scope which allows \"gist\"!"
@@ -215,7 +216,7 @@ _validate_config() {
 
 # Apply current configuration into config file
 _reformat_config() {
-  local line_token=$(sed -ne '/^token=/{p;q}' $CONFIG); line_token=${line_token:-token=}
+  local line_token=$(sed -ne '/^token=/h; ${x;p}' $CONFIG); line_token=${line_token:-token=$token}
   for key in ${VALID_CONFIGS[@]}; do
     [[ $key == token ]] && echo $line_token && continue # Because format may like this: token=$(COMMAND-TO-GET-TOKEN), just leave it untouched
     local value="${!key}"; local valid_values=${CONFIG_VALUES[$key]}
@@ -892,7 +893,7 @@ case "$1" in
     _clean_repos ;;
   config | c)
     shift
-    _configure "$@" && { _apply_config && (_check_protocol &>/dev/null &); } ;;
+    _configure "$@" && _apply_config && sed -ne "/^$1=/p" $CONFIG && (_check_protocol &>/dev/null &) ;;
   user | u)
     shift
     _query_user "$@" ;;