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Merge f2a8eb33ad into 291e96dcd0
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Andrew Janke
GitHub
commit
dadae1eaf9
2 changed files with 231 additions and 21 deletions
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@ -1,3 +1,3 @@
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#compdef theme
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_arguments "1: :($(lstheme | tr "\n" " "))"
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_arguments "1: :($(lstheme))"
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@ -1,24 +1,234 @@
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function theme
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{
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if [ -z "$1" ] || [ "$1" = "random" ]; then
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themes=($ZSH/themes/*zsh-theme)
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N=${#themes[@]}
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((N=(RANDOM%N)+1))
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RANDOM_THEME=${themes[$N]}
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source "$RANDOM_THEME"
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echo "[oh-my-zsh] Random theme '$RANDOM_THEME' loaded..."
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else
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if [ -f "$ZSH_CUSTOM/$1.zsh-theme" ]
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then
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source "$ZSH_CUSTOM/$1.zsh-theme"
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else
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source "$ZSH/themes/$1.zsh-theme"
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fi
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# Set to true to enable debugging output for theme functions
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# Note that this can cause unstable behavior, especially with these themes:
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# agnoster dstufft
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ZSH_THEME_DEBUG=${ZSH_THEME_DEBUG:-false}
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# Load a theme
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#
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# Usage:
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# "theme <name>" loads the named theme
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# "theme random" or "theme" with no argument loads a random theme
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# Return value:
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# 0 on success
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# Nonzero on failure, such as requested theme not being found
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function theme() {
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if [[ -z "$1" ]] || [[ "$1" = "random" ]]; then
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# Select a random theme
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local themes n random_theme
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themes=($(lstheme))
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n=${#themes[@]}
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((n=(RANDOM%n)+1))
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random_theme=${themes[$n]}
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echo "[oh-my-zsh] Loading random theme '$random_theme'..."
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theme $random_theme
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else
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# Main case: load named theme
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local name theme_dir found
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name=$1
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found=false
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for theme_dir ($ZSH_CUSTOM $ZSH_CUSTOM/themes $ZSH/themes); do
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if [[ -f "$theme_dir/$name.zsh-theme" ]]; then
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found=true
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_omz_load_theme_from_file $name "$theme_dir/$name.zsh-theme"
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break
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fi
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done
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if [[ $found == false ]]; then
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echo "[oh-my-zsh] Theme not found: $name"
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return 1
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fi
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fi
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}
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function lstheme
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{
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cd $ZSH/themes
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ls *zsh-theme | sed 's,\.zsh-theme$,,'
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# Variables to track hook functions installed by themes
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_OMZ_THEME_CHPWD_FUNCTIONS=()
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_OMZ_THEME_PRECMD_FUNCTIONS=()
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_OMZ_THEME_PREEXEC_FUNCTIONS=()
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# Implementation of loading a theme
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# Most of the code in here is for tracking hooks and debugging support
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function _omz_load_theme_from_file() {
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local name=$1 file=$2 params_before exclude_params
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local -A values_before
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# Reset so theme is loaded into a clean slate
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_omz_reset_theme
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# Set up tracking and debugging
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local chpwd_fcns_0 precmd_fcns_0 preexec_fcns_0 chpwd_0 precmd_0 preexec_0
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local params_after params_added param ignore_params
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chpwd_0=$(which chpwd)
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precmd_0=$(which precmd)
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preexec_0=$(which preexec)
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chpwd_fcns_0=($chpwd_functions)
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precmd_fcns_0=($precmd_functions)
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preexec_fcns_0=($preexec_functions)
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if [[ $ZSH_THEME_DEBUG == true ]]; then
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params_before=($(set +))
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fi
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for param ($params_before); do
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values_before[$param]=${(P)param}
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done
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# Actually load the theme, using an indirection function
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_omz_source_theme_file $file
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# Debugging stuff
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if [[ $ZSH_THEME_DEBUG == true ]]; then
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params_after=($(set +))
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params_added=(${params_after:|params_before})
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ignore_params=(LINENO RANDOM _ parameters prompt values_before modules \
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params_added ignore_params params_before params_after params_changed \
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SECONDS TTYIDLE PS1 PS2 PS3 PS4 RPS1 RPS2)
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params_before=(${params_before:|ignore_params})
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local params_changed
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params_changed=()
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for param ($params_before); do
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if [[ ${(P)param} != ${values_before[$param]} ]]; then
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params_changed+=($param)
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fi
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done
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fi
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# Track changes to hooks
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_OMZ_THEME_CHPWD_FUNCTIONS=(${chpwd_functions:|chpwd_fcns_0})
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_OMZ_THEME_PRECMD_FUNCTIONS=(${precmd_functions:|precmd_fcns_0})
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_OMZ_THEME_PREEXEC_FUNCTIONS=(${preexec_functions:|preexec_fcns_0})
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# Post-loading debugging
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if [[ $ZSH_THEME_DEBUG == true ]]; then
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echo "Loaded theme $name from file $file"
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if [[ -n $params_added ]]; then
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printf '=== %s ===\n%s\n' "Theme added parameters:" ${(F)params_added}
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fi
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if [[ -n $params_changed ]]; then
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printf '=== %s ===\n%s\n' "Theme changed parameters:" ${(F)params_changed}
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fi
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if [[ -n "${_OMZ_THEME_CHPWD_FUNCTIONS}${_OMZ_THEME_PRECMD_FUNCTIONS}${_OMZ_THEME_PREEXEC_FUNCTIONS}" ]]; then
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printf '=== %s ===\n' "Theme added hooks:"
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if [[ -n $_OMZ_THEME_CHPWD_FUNCTIONS ]]; then
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echo "Theme added chpwd hooks: $_OMZ_THEME_CHPWD_FUNCTIONS"
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fi
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if [[ -n $_OMZ_THEME_PRECMD_FUNCTIONS ]]; then
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echo "Theme added precmd hooks: $_OMZ_THEME_PRECMD_FUNCTIONS"
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fi
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if [[ -n $_OMZ_THEME_PREEXEC_FUNCTIONS ]]; then
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echo "Theme added preexec hooks: $_OMZ_THEME_PREEXEC_FUNCTIONS"
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fi
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fi
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if [[ $(which chpwd) != $chpwd_0 ]]; then
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echo "WARNING: Theme changed chpwd()"
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fi
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if [[ $(which preexec) != $preexec_0 ]]; then
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echo "WARNING: Theme changed preexec()"
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fi
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if [[ $(which precmd) != $precmd_0 ]]; then
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echo "WARNING: Theme changed precmd()"
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fi
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fi
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}
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# Sources the given file
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# The only reason this function exists is to provide a layer of
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# indirection so that the theme file runs in its own function call stack frame
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# and "local" statements in the theme definitions work as intended.
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function _omz_source_theme_file() {
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source $1
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}
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# Resets all theme settings to their default state
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# (To the extent that we know what themes do, that is.)
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# This will reset all variables used by the core OMZ *_prompt_info functions.
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# It will also remove any hook functions installed by the current theme, if it
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# was loaded by the theme() function
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function _omz_reset_theme() {
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# Prompts
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PROMPT="%n@%m:%~%# "
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PROMPT2='%_> '
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PROMPT3='?# '
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PROMPT4='+%N:%i> '
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unset RPROMPT RPROMPT2
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# This assumes that all ZSH_THEME_<aspect>_* variables are owned by
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# OMZ theming, and can be reset en masse
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# All the commented-out variables are there to serve as a list of things
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# that are used by theme support and could be given default values
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# git_prompt_info variables
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unset -m 'ZSH_THEME_GIT_PROMPT_*'
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ZSH_THEME_GIT_PROMPT_PREFIX="git:(" # Prefix at the very beginning of the prompt, before the branch name
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ZSH_THEME_GIT_PROMPT_SUFFIX=")" # At the very end of the prompt
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#ZSH_THEME_GIT_PROMPT_PREFIX=
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#ZSH_THEME_GIT_PROMPT_SUFFIX=
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#ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX=
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#ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX=
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ZSH_THEME_GIT_PROMPT_DIRTY="*" # Text to display if the branch is dirty
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ZSH_THEME_GIT_PROMPT_CLEAN="" # Text to display if the branch is clean
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#ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE=
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#ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE=
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#ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE=
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#ZSH_THEME_GIT_PROMPT_AHEAD=
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#ZSH_THEME_GIT_PROMPT_BEHIND=
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#ZSH_THEME_GIT_PROMPT_SHA_BEFORE=
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#ZSH_THEME_GIT_PROMPT_SHA_AFTER=
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#ZSH_THEME_GIT_PROMPT_ADDED=
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#ZSH_THEME_GIT_PROMPT_MODIFIED=
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#ZSH_THEME_GIT_PROMPT_RENAMED=
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#ZSH_THEME_GIT_PROMPT_DELETED=
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#ZSH_THEME_GIT_PROMPT_STASHED=
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#ZSH_THEME_GIT_PROMPT_UNMERGED=
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#ZSH_THEME_GIT_PROMPT_DIVERGED=
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#ZSH_THEME_GIT_PROMPT_UNTRACKED=
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# nvm_prompt_info variables
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unset -m 'ZSH_THEME_NVM_PROMPT_*'
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#ZSH_THEME_NVM_PROMPT_PREFIX=
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#ZSH_THEME_NVM_PROMPT_SUFFIX=
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# rvm_prompt_info variables
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unset -m 'ZSH_THEME_RVM_PROMPT_*'
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#ZSH_THEME_RVM_PROMPT_PREFIX=
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#ZSH_THEME_RVM_PROMPT_SUFFIX=
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#ZSH_THEME_RVM_PROMPT_OPTIONS=
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# svn_prompt_info variables
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unset -m 'ZSH_THEME_SVN_PROMPT_*'
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#ZSH_THEME_SVN_PROMPT_CLEAN
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#ZSH_THEME_SVN_PROMPT_DIRTY
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#ZSH_THEME_SVN_PROMPT_PREFIX
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#ZSH_THEME_SVN_PROMPT_SUFFIX
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# Hook functions
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if [[ -n $_OMZ_THEME_CHPWD_FUNCTIONS ]]; then
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#echo Removing chpwd hooks: $_OMZ_THEME_CHPWD_FUNCTIONS
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chpwd_functions=(${chpwd_functions:|_OMZ_THEME_CHPWD_FUNCTIONS})
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fi
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if [[ -n $_OMZ_THEME_PRECMD_FUNCTIONS ]]; then
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#echo Removing precmd hooks: $_OMZ_THEME_PRECMD_FUNCTIONS
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precmd_functions=(${precmd_functions:|_OMZ_THEME_PRECMD_FUNCTIONS})
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fi
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if [[ -n $_OMZ_THEME_PREEXEC_FUNCTIONS ]]; then
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#echo Removing preexec hooks: $_OMZ_THEME_PREEXEC_FUNCTIONS
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preexec_functions=(${preexec_functions:|_OMZ_THEME_PREEXEC_FUNCTIONS})
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fi
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}
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# List available themes by name
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#
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# The list will always be in sorted order, so you can index in to it.
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function lstheme() {
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local themes x theme_dir
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themes=()
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for theme_dir ($ZSH_CUSTOM $ZSH_CUSTOM/themes $ZSH/themes); do
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if [[ -d $theme_dir ]]; then
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themes+=($(_omz_lstheme_dir $theme_dir))
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fi
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done
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echo ${(F)themes} | sort | uniq
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}
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# List themes defined in a given dir
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function _omz_lstheme_dir() {
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ls $1 | grep '.zsh-theme$' | sed 's,\.zsh-theme$,,'
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}
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