themes/random: add OMB_THEME_RANDOM_IGNORED (#498)

README.md

@@ -109,6 +109,12 @@ If you're feeling feisty, you can let the computer select one randomly for you e
 OSH_THEME="random" # (...please let it be pie... please be some pie..)
 ```
 
+If there are themes you don't like, you can add them to an ignored list:
+
+```shell
+OMB_THEME_RANDOM_IGNORED=("powerbash10k" "wanelo")
+```
+
 The selected theme name can be checked by the following command:
 
 ```shell

oh-my-bash.sh

@@ -144,6 +144,18 @@ unset -v _omb_init_files _omb_init_file
 # Load the theme
 if [[ $OSH_THEME == random ]]; then
   _omb_util_glob_expand _omb_init_files '"$OSH"/themes/*/*.theme.sh'
+
+  # Remove ignored themes from the list
+  for _omb_init_theme in random "${OMB_THEME_RANDOM_IGNORED[@]}"; do
+    for _omb_init_index in "${!_omb_init_files[@]}"; do
+      [[ ${_omb_init_files[_omb_init_index]} == */"$_omb_init_theme"/* ]] &&
+        unset -v '_omb_init_files[_omb_init_index]'
+    done
+    unset -v _omb_init_index
+  done
+  unset -v _omb_init_theme
+  _omb_init_files=("${_omb_init_files[@]}")
+
   if ((${#_omb_init_files[@]})); then
     _omb_init_file=${_omb_init_files[RANDOM%${#_omb_init_files[@]}]}
     source "$_omb_init_file"

templates/bashrc.osh-template

@@ -11,6 +11,9 @@ export OSH=~/.oh-my-bash
 # it'll load a random theme each time that oh-my-bash is loaded.
 OSH_THEME="font"
 
+# If you set OSH_THEME to "random", you can ignore themes you don't like.
+# OMB_THEME_RANDOM_IGNORED=("powerbash10k" "wanelo")
+
 # Uncomment the following line to use case-sensitive completion.
 # OMB_CASE_SENSITIVE="true"