1 files changed, 43 insertions, 0 deletions
diff --git a/completions/gzip b/completions/gzip
new file mode 100644
index 0000000..0144c3a
--- /dev/null
+++ b/completions/gzip
@@ -0,0 +1,43 @@
+# bash completion for gzip                                 -*- shell-script -*-
+
+_gzip()
+{
+    local cur prev words cword
+    _init_completion || return
+
+    case $prev in
+        --blocksize | --suffix | --help | --version | -!(-*)[bShV])
+            return
+            ;;
+        --processes | -!(-*)p)
+            COMPREPLY=($(compgen -W "{1..$(_ncpus)}" -- "$cur"))
+            return
+            ;;
+    esac
+
+    if [[ $cur == -* ]]; then
+        COMPREPLY=($(compgen -W '$(_parse_help "$1") {-1..-9}' -- "$cur"))
+        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
+        return
+    fi
+
+    local IFS=$'\n' xspec="*.@(gz|t[ag]z)"
+    [[ ${1##*/} == pigz ]] && xspec="*.@([gz]z|t[ag]z)"
+
+    if [[ $prev == --* ]]; then
+        [[ $prev == --@(decompress|list|test) ]] && xspec="!"$xspec
+        [[ $prev == --force ]] && xspec=
+    elif [[ $prev == -* ]]; then
+        [[ $prev == -*[dlt]* ]] && xspec="!"$xspec
+        [[ $prev == -*f* ]] && xspec=
+    fi
+
+    _tilde "$cur" || return
+
+    compopt -o filenames
+    COMPREPLY=($(compgen -f -X "$xspec" -- "$cur")
+    $(compgen -d -- "$cur"))
+} &&
+    complete -F _gzip gzip pigz
+
+# ex: filetype=sh