Cleanup of coding style quoting, docstring and bogus files

dotfiles/bash

-bashum

dotfiles/config/bashum/colors.bashrc

 #!/bin/bash
+#shellcheck disable=SC1087,SC2034
 
 #
 # Context symbol used in title and prompt
 #
 BASHUM_CTXSYM=${BASHUM_CTXSYM:-}
 
-# get some fancy colorz
+#
+# ANSI color codes
+#
+# Don't use these in prompts or line editing will likely be
+# broken.  (Bash/readline will count these character despite
+# the fact they don't move the cursor.)  Use BASHUM_PS_COLOR_*
+# instead.
+#
 BASHUM_COLOR_BLACK=$'\033[0;30m'
 BASHUM_COLOR_RED=$'\033[0;31m'
 BASHUM_COLOR_GREEN=$'\033[0;32m'
 BASHUM_COLOR_LWHITE=$'\033[1;37m'
 BASHUM_COLOR_NORMAL=$'\033[1;0m'
 
-# get some fancy colorz
+#
+# ANSI color codes
+#
+# Unlike BASHUM_COLOR_*, these have extra escapes for Bash
+# so that they can be used in Bash prompt without breaking
+# line editing.
+#
 BASHUM_PS_COLOR_BLACK=$'\[\033[0;30m\]'
 BASHUM_PS_COLOR_RED=$'\[\033[0;31m\]'
 BASHUM_PS_COLOR_GREEN=$'\[\033[0;32m\]'
 BASHUM_PS_COLOR_LWHITE=$'\[\033[1;37m\]'
 BASHUM_PS_COLOR_NORMAL=$'\[\033[1;0m\]'
 
-#shellcheck disable=SC1087
 bashum__colordemo() {
     local bla=$BASHUM_COLOR_BLACK
     local red=$BASHUM_COLOR_RED

dotfiles/config/bashum/head.bashrc

   "${HOME}/.config/bashum/host/$(hostname -s).bashrc" \
   "${HOME}/.config/bashum/post.bashrc";
 do
-  test -f "$include" && . "$include";
+  test -f "$include" && . "$include"
 done
 true

dotfiles/config/bashum/setup

 #!/bin/bash
 
 put() {
-    echo "$1" >> "$HOME/.bashrc"
+    echo "$1" >>"$HOME/.bashrc"
 }
 
 mark="# added by https://gitea.vornet.cz/netvor/mydots"