2 files changed, 99 insertions, 0 deletions
diff --git a/completions/sh b/completions/sh
new file mode 100644
index 0000000..5624ffa
--- /dev/null
+++ b/completions/sh
@@ -0,0 +1,36 @@
+# POSIX sh(1) completion                                   -*- shell-script -*-
+
+_sh()
+{
+    local cur prev words cword
+    _init_completion || return
+
+    case $prev in
+        -c)
+            return
+            ;;
+        -o | +o)
+            COMPREPLY=($(compgen -W 'allexport errexit ignoreeof monitor
+                noclobber noglob noexec nolog notify nounset verbose vi
+                xtrace' -- "$cur"))
+            return
+            ;;
+    esac
+
+    local opts="-a -b -C -e -f -h -i -m -n -o -u -v -x"
+    if [[ $cur == -* ]]; then
+        COMPREPLY=($(compgen -W "$opts -c -s" -- "$cur"))
+        return
+    elif [[ $cur == +* ]]; then
+        COMPREPLY=($(compgen -W "${opts//-/+}" -- "$cur"))
+        return
+    fi
+
+    local args ext=
+    _count_args "" "@(-c|[-+]o)"
+    ((args == 1)) && ext="sh"
+    _filedir $ext
+} &&
+    complete -F _sh sh
+
+# ex: filetype=sh
diff --git a/completions/shellcheck b/completions/shellcheck
new file mode 100644
index 0000000..6421d7b
--- /dev/null
+++ b/completions/shellcheck
@@ -0,0 +1,63 @@
+# bash completion for shellcheck(1)                        -*- shell-script -*-
+
+_shellcheck_optarg()
+{
+    local args=$("$1" --help 2>&1 |
+        command sed -e 's/,/ /g' -ne 's/^.*'$2'\>.*(\([^)]*\)).*/\1/p')
+    COMPREPLY+=($(compgen -W '$args' -- "$cur"))
+}
+
+_shellcheck()
+{
+    local cur prev words cword split
+    _init_completion -s || return
+
+    case $prev in
+        --version | -!(-*)V*)
+            return
+            ;;
+        --exclude | --include | -!(-*)[ei])
+            return
+            ;;
+        --format | -!(-*)f)
+            local args=$("$1" --format=nonexistent-format /dev/null 2>&1 |
+                command sed -ne '/^Supported formats/,//p' |
+                command sed -ne '/^[[:space:]]/p')
+            COMPREPLY=($(compgen -W '$args' -- "$cur"))
+            return
+            ;;
+        --color | -!(-*)C)
+            _shellcheck_optarg "$1" --color
+            return
+            ;;
+        --shell | -!(-*)s)
+            _shellcheck_optarg "$1" --shell
+            return
+            ;;
+        --enable | -!(-*)o)
+            COMPREPLY=($(compgen -W 'all' -- "$cur")) # TODO others?
+            return
+            ;;
+        --source-path | -!(-*)P)
+            _filedir -d
+            COMPREPLY+=($(compgen -W 'SCRIPTDIR' -- "$cur"))
+            return
+            ;;
+        --wiki-link-count | -!(-*)W)
+            return
+            ;;
+    esac
+
+    $split && return
+
+    if [[ $cur == -* ]]; then
+        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
+        return
+    fi
+
+    _filedir
+} &&
+    complete -F _shellcheck shellcheck
+
+# ex: filetype=sh