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

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+#!/usr/bin/env bash
+
+CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+HELPERS_DIR="$CURRENT_DIR"
+TMUX_COPY_MODE=""
+
+REMOTE_SHELL_WAIT_TIME="0.4"
+
+# shellcheck source=scripts/helpers.sh
+source "${HELPERS_DIR}/helpers.sh"
+
+# sets a TMUX_COPY_MODE that is used as a global variable
+get_tmux_copy_mode() {
+    TMUX_COPY_MODE="$(tmux show-option -gwv mode-keys)"
+}
+
+# The command when on ssh with latency. To make it work in this case too,
+# sleep is added.
+add_sleep_for_remote_shells() {
+    local pane_command
+    pane_command="$(tmux display-message -p '#{pane_current_command}')"
+    if [[ $pane_command =~ (ssh|mosh) ]]; then
+        sleep "$REMOTE_SHELL_WAIT_TIME"
+    fi
+}
+
+go_to_the_beginning_of_current_line() {
+    if [ "$(shell_mode)" == "emacs" ]; then
+        tmux send-key 'C-a'
+    else
+        tmux send-key 'Escape' '0'
+    fi
+}
+
+enter_tmux_copy_mode() {
+    tmux copy-mode
+}
+
+start_tmux_selection() {
+    if tmux_is_at_least 2.4; then
+        tmux send -X begin-selection
+    elif [ "$TMUX_COPY_MODE" == "vi" ]; then
+        # vi copy mode
+        tmux send-key 'Space'
+    else
+        # emacs copy mode
+        tmux send-key 'C-Space'
+    fi
+}
+
+# works when command spans accross multiple lines
+end_of_line_in_copy_mode() {
+    if tmux_is_at_least 2.4; then
+        tmux send -X -N 150 'cursor-down' # 'down' key. 'vi' mode is faster so we're
+        # jumping more lines than emacs.
+        tmux send -X 'end-of-line'   # End of line (just in case we are already at the last line).
+        tmux send -X 'previous-word' # Beginning of the previous word.
+        tmux send -X 'next-word-end' # End of next word.
+    elif [ "$TMUX_COPY_MODE" == "vi" ]; then
+        # vi copy mode
+        # This sequence of keys consistently selects multiple lines
+        tmux send-key '150' # Go to the bottom of scrollback buffer by using
+        tmux send-key 'j'   # 'down' key. 'vi' mode is faster so we're
+        # jumping more lines than emacs.
+        tmux send-key '$' # End of line (just in case we are already at the last line).
+        tmux send-key 'b' # Beginning of the previous word.
+        tmux send-key 'e' # End of next word.
+    else
+        # emacs copy mode
+        for ((c = 1; c <= '30'; c++)); do # go to the bottom of scrollback buffer
+            tmux send-key 'C-n'
+        done
+        tmux send-key 'C-e'
+        tmux send-key 'M-b'
+        tmux send-key 'M-f'
+    fi
+}
+
+yank_to_clipboard() {
+    if tmux_is_at_least 2.4; then
+        # shellcheck disable=SC2119
+        tmux send -X copy-pipe-and-cancel "$(clipboard_copy_command)"
+    else
+        tmux send-key "$(yank_wo_newline_key)"
+    fi
+}
+
+go_to_the_end_of_current_line() {
+    if [ "$(shell_mode)" == "emacs" ]; then
+        tmux send-keys 'C-e'
+    else
+        tmux send-keys '$' 'a'
+    fi
+}
+
+yank_current_line() {
+    go_to_the_beginning_of_current_line
+    add_sleep_for_remote_shells
+    enter_tmux_copy_mode
+    start_tmux_selection
+    end_of_line_in_copy_mode
+    yank_to_clipboard
+    go_to_the_end_of_current_line
+    display_message 'Line copied to clipboard!'
+}
+
+main() {
+    get_tmux_copy_mode
+    yank_current_line
+}
+main