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tmux/.tmux/plugins/tmux-yank/scripts/helpers.sh

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+#!bash
+# shellcheck disable=SC2239
+
+yank_line="y"
+yank_line_option="@yank_line"
+
+yank_pane_pwd="Y"
+yank_pane_pwd_option="@yank_pane_pwd"
+
+yank_default="y"
+yank_option="@copy_mode_yank"
+
+put_default="Y"
+put_option="@copy_mode_put"
+
+yank_put_default="M-y"
+yank_put_option="@copy_mode_yank_put"
+
+yank_wo_newline_default="!"
+yank_wo_newline_option="@copy_mode_yank_wo_newline"
+
+yank_selection_default="clipboard"
+yank_selection_option="@yank_selection"
+
+yank_selection_mouse_default="primary"
+yank_selection_mouse_option="@yank_selection_mouse"
+
+yank_with_mouse_default="on"
+yank_with_mouse_option="@yank_with_mouse"
+
+yank_action_default="copy-pipe-and-cancel"
+yank_action_option="@yank_action"
+
+shell_mode_default="emacs"
+shell_mode_option="@shell_mode"
+
+custom_copy_command_default=""
+custom_copy_command_option="@custom_copy_command"
+
+override_copy_command_default=""
+override_copy_command_option="@override_copy_command"
+
+# helper functions
+get_tmux_option() {
+    local option="$1"
+    local default_value="$2"
+    local option_value
+    option_value=$(tmux show-option -gqv "$option")
+    if [ -z "$option_value" ]; then
+        echo "$default_value"
+    else
+        echo "$option_value"
+    fi
+}
+
+yank_line_key() {
+    get_tmux_option "$yank_line_option" "$yank_line"
+}
+
+yank_pane_pwd_key() {
+    get_tmux_option "$yank_pane_pwd_option" "$yank_pane_pwd"
+}
+
+yank_key() {
+    get_tmux_option "$yank_option" "$yank_default"
+}
+
+put_key() {
+    get_tmux_option "$put_option" "$put_default"
+}
+
+yank_put_key() {
+    get_tmux_option "$yank_put_option" "$yank_put_default"
+}
+
+yank_wo_newline_key() {
+    get_tmux_option "$yank_wo_newline_option" "$yank_wo_newline_default"
+}
+
+yank_selection() {
+    get_tmux_option "$yank_selection_option" "$yank_selection_default"
+}
+
+yank_selection_mouse() {
+    get_tmux_option "$yank_selection_mouse_option" "$yank_selection_mouse_default"
+}
+
+yank_with_mouse() {
+    get_tmux_option "$yank_with_mouse_option" "$yank_with_mouse_default"
+}
+
+yank_action() {
+    get_tmux_option "$yank_action_option" "$yank_action_default"
+}
+
+shell_mode() {
+    get_tmux_option "$shell_mode_option" "$shell_mode_default"
+}
+
+custom_copy_command() {
+    get_tmux_option "$custom_copy_command_option" "$custom_copy_command_default"
+}
+
+override_copy_command() {
+    get_tmux_option "$override_copy_command_option" "$override_copy_command_default"
+}
+# Ensures a message is displayed for 5 seconds in tmux prompt.
+# Does not override the 'display-time' tmux option.
+display_message() {
+    local message="$1"
+
+    # display_duration defaults to 5 seconds, if not passed as an argument
+    if [ "$#" -eq 2 ]; then
+        local display_duration="$2"
+    else
+        local display_duration="5000"
+    fi
+
+    # saves user-set 'display-time' option
+    local saved_display_time
+    saved_display_time=$(get_tmux_option "display-time" "750")
+
+    # sets message display time to 5 seconds
+    tmux set-option -gq display-time "$display_duration"
+
+    # displays message
+    tmux display-message "$message"
+
+    # restores original 'display-time' value
+    tmux set-option -gq display-time "$saved_display_time"
+}
+
+command_exists() {
+    local command="$1"
+    type "$command" >/dev/null 2>&1
+}
+
+clipboard_copy_command() {
+    local mouse="${1:-false}"
+    # installing reattach-to-user-namespace is recommended on OS X
+    if [ -n "$(override_copy_command)" ]; then
+        override_copy_command
+    elif command_exists "pbcopy"; then
+        if command_exists "reattach-to-user-namespace"; then
+            echo "reattach-to-user-namespace pbcopy"
+        else
+            echo "pbcopy"
+        fi
+    elif command_exists "clip.exe"; then # WSL clipboard command
+        echo "cat | clip.exe"
+    elif command_exists "wl-copy"; then # wl-clipboard: Wayland clipboard utilities
+        echo "wl-copy"
+    elif command_exists "xsel"; then
+        local xsel_selection
+        if [[ $mouse == "true" ]]; then
+            xsel_selection="$(yank_selection_mouse)"
+        else
+            xsel_selection="$(yank_selection)"
+        fi
+        echo "xsel -i --$xsel_selection"
+    elif command_exists "xclip"; then
+        local xclip_selection
+        if [[ $mouse == "true" ]]; then
+            xclip_selection="$(yank_selection_mouse)"
+        else
+            xclip_selection="$(yank_selection)"
+        fi
+        echo "xclip -selection $xclip_selection"
+    elif command_exists "putclip"; then # cygwin clipboard command
+        echo "putclip"
+    elif [ -n "$(custom_copy_command)" ]; then
+        custom_copy_command
+    fi
+}
+
+# Cache the TMUX version for speed.
+tmux_version="$(tmux -V | cut -d ' ' -f 2)"
+
+tmux_is_at_least() {
+    if [[ $tmux_version == "$1" ]] || [[ $tmux_version == master ]]; then
+        return 0
+    fi
+
+    local i
+    local -a current_version wanted_version
+    IFS='.' read -ra current_version <<<"$tmux_version"
+    IFS='.' read -ra wanted_version <<<"$1"
+
+    # fill empty fields in current_version with zeros
+    for ((i = ${#current_version[@]}; i < ${#wanted_version[@]}; i++)); do
+        current_version[i]=0
+    done
+
+    # fill empty fields in wanted_version with zeros
+    for ((i = ${#wanted_version[@]}; i < ${#current_version[@]}; i++)); do
+        wanted_version[i]=0
+    done
+
+    for ((i = 0; i < ${#current_version[@]}; i++)); do
+        if ((10#${current_version[i]} < 10#${wanted_version[i]})); then
+            return 1
+        fi
+    done
+    return 0
+}