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# Completion setup for MySQL for configured databases
_mysql() {
# Only makes sense for first argument
((COMP_CWORD == 1)) || return 1
# Bail if directory doesn't exist
local dirname
dirname=$HOME/.mysql
[[ -d $dirname ]] || return 1
# Return the names of the .cnf files sans prefix as completions
local db
while IFS= read -rd '' db ; do
COMPREPLY[${#COMPREPLY[@]}]=$db
done < <(
# Set options so that globs expand correctly
shopt -s dotglob nullglob
# Collect all the config file names, strip off leading path and .cnf
local -a cnfs
cnfs=("$dirname"/"${COMP_WORDS[COMP_CWORD]}"*.cnf)
cnfs=("${cnfs[@]#"$dirname"/}")
cnfs=("${cnfs[@]%.cnf}")
# Bail if no files to prevent empty output
((${#cnfs[@]})) || exit 1
# Print the conf names, null-delimited
printf '%q\0' "${cnfs[@]}"
)
}
complete -F _mysql -o default mysql
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