1 files changed, 101 insertions, 0 deletions
diff --git a/completions/man b/completions/man
new file mode 100644
index 0000000..81d06f5
--- /dev/null
+++ b/completions/man
@@ -0,0 +1,101 @@
+# man(1) completion                                        -*- shell-script -*-
+
+_man()
+{
+    local cur prev words cword split
+    _init_completion -s -n : || return
+
+    local comprsuffix=".@([glx]z|bz2|lzma|Z)"
+    local manext="@([0-9lnp]|[0-9][px]|man|3?(gl|pm))?($comprsuffix)"
+    local mansect="@([0-9lnp]|[0-9][px]|3?(gl|pm))"
+
+    case $prev in
+        --config-file | -!(-*)C)
+            _filedir conf
+            return
+            ;;
+        --local-file | -!(-*)l)
+            _filedir "$manext"
+            return
+            ;;
+        --manpath | -!(-*)M)
+            _filedir -d
+            return
+            ;;
+        --pager | -!(-*)P)
+            compopt -o filenames
+            COMPREPLY=($(compgen -c -- "$cur"))
+            return
+            ;;
+        --preprocessor | -!(-*)p)
+            COMPREPLY=($(compgen -W 'e p t g r v' -- "$cur"))
+            return
+            ;;
+        --locale | --systems | --extension | --prompt | --recode | --encoding | \
+            -!(-*)[LmerRE])
+            return
+            ;;
+    esac
+
+    $split && return
+
+    if [[ $cur == -* ]]; then
+        local opts=$(_parse_help "$1" -h)
+        COMPREPLY=($(compgen -W '${opts:-$(_parse_usage "$1")}' -- "$cur"))
+        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
+        return
+    fi
+
+    # file based completion if parameter looks like a path
+    if [[ $cur == @(*/|[.~])* ]]; then
+        _filedir "$manext"
+        return
+    fi
+
+    local manpath=$(manpath 2>/dev/null || command man -w 2>/dev/null)
+    [[ -z $manpath ]] && manpath="/usr/share/man:/usr/local/share/man"
+
+    # determine manual section to search
+    local sect
+    # shellcheck disable=SC2053
+    [[ $prev == $mansect ]] && sect=$prev || sect='*'
+
+    _expand || return
+
+    manpath=$manpath:
+    if [[ -n $cur ]]; then
+        manpath="${manpath//://*man$sect/$cur* } ${manpath//://*cat$sect/$cur* }"
+    else
+        manpath="${manpath//://*man$sect/ } ${manpath//://*cat$sect/ }"
+    fi
+
+    local IFS=$' \t\n' reset=$(shopt -p failglob)
+    shopt -u failglob
+    # redirect stderr for when path doesn't exist
+    COMPREPLY=($(eval command ls "$manpath" 2>/dev/null))
+    $reset
+
+    if ((${#COMPREPLY[@]} != 0)); then
+        # weed out directory path names and paths to man pages
+        COMPREPLY=(${COMPREPLY[@]##*/?(:)})
+        # strip suffix from man pages
+        COMPREPLY=(${COMPREPLY[@]%$comprsuffix})
+        COMPREPLY=($(compgen -W '${COMPREPLY[@]%.*}' -- "${cur//\\\\/}"))
+    fi
+
+    # shellcheck disable=SC2053
+    if [[ $prev != $mansect ]]; then
+        # File based completion for the rest, prepending ./ if needed
+        # (man 1.6f needs that for man pages in current dir)
+        local i start=${#COMPREPLY[@]}
+        _filedir "$manext"
+        for ((i = start; i < ${#COMPREPLY[@]}; i++)); do
+            [[ ${COMPREPLY[i]} == */* ]] || COMPREPLY[i]=./${COMPREPLY[i]}
+        done
+    fi
+
+    __ltrim_colon_completions "$cur"
+} &&
+    complete -F _man man apropos whatis
+
+# ex: filetype=sh