chezmoi init

dot_oh-my-zsh/plugins/man/README.md

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+# Man plugin
+
+This plugin adds a shortcut to insert man before the previous command.
+
+To use it, add `man` to the plugins array in your zshrc file:
+
+```zsh
+plugins=(... man)
+```
+# Keyboard Shortcuts
+| Shortcut                          | Description                                                            |
+|-----------------------------------|------------------------------------------------------------------------|
+| <kbd>Esc</kbd> + man              | add man before the previous command to see the manual for this command |

dot_oh-my-zsh/plugins/man/man.plugin.zsh

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+# ------------------------------------------------------------------------------
+# Author
+# ------
+#
+# * Jerry Ling<jerryling315@gmail.com>
+#
+# ------------------------------------------------------------------------------
+# Usage
+# -----
+#
+# man will be inserted before the command
+#
+# ------------------------------------------------------------------------------
+
+man-command-line() {
+    # if there is no command typed, use the last command
+    [[ -z "$BUFFER" ]] && zle up-history
+
+    # if typed command begins with man, do nothing
+    [[ "$BUFFER" = man\ * ]] && return
+
+    # get command and possible subcommand
+    # http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
+    local -a args
+    args=(${${(Az)BUFFER}[1]} ${${(Az)BUFFER}[2]})
+
+    # check if man page exists for command and first argument
+    if man "${args[1]}-${args[2]}" >/dev/null 2>&1; then
+        BUFFER="man $args"
+    else
+        BUFFER="man ${args[1]}"
+    fi
+}
+
+zle -N man-command-line
+# Defined shortcut keys: [Esc]man
+bindkey "\e"man man-command-line