1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/bash_completion.in b/contrib/bash_completion.in
new file mode 100644
index 00000000..7f47f4b4
--- /dev/null
+++ b/contrib/bash_completion.in
@@ -0,0 +1,113 @@
+# This file is in the public domain.
+
+_arch_compgen() {
+  local i r
+  COMPREPLY=($(compgen -W '$*' -- "$cur"))
+  for ((i=1; i < ${#COMP_WORDS[@]}-1; i++)); do
+    for r in ${!COMPREPLY[@]}; do
+      if [[ ${COMP_WORDS[i]} = ${COMPREPLY[r]} ]]; then
+        unset 'COMPREPLY[r]'; break
+      fi
+    done
+  done
+}
+
+_arch_ptr2comp() {
+  local list= x y
+  for x; do
+    for y in '0 --' '1 -'; do
+      eval 'set -- ${'$x'[${y% *}]}'
+      list+=\ ${@/#/${y#* }}
+    done
+  done
+  _arch_compgen $list
+}
+
+_arch_incomp() {
+  local r="\s-(-${1#* }\s|\w*${1% *})"; [[ $COMP_LINE =~ $r ]]
+}
+
+_makepkg() {
+  local cur opts prev
+  COMPREPLY=()
+  _get_comp_words_by_ref cur prev
+  if [[ $cur = -* && ! $prev =~ ^-(-(cleancache|config|help)$|\w*[Chp]) ]]; then
+    opts=('allsource asroot clean cleancache config force geninteg help holdver
+           ignorearch install log nobuild nocolor noconfirm nodeps noextract
+           noprogressbar pkg repackage rmdeps skipinteg source syncdeps'
+          'A C L R c d e f g h i m o p r s')
+    _arch_ptr2comp opts
+  fi
+  true
+}
+
+_pacman_pkg() {
+  _arch_compgen "$(
+    if [[ $2 ]]; then
+      \pacman -$1 | \cut -d' ' -f1 | \sort -u
+    else
+      \pacman -$1
+    fi
+  )"
+}
+
+_pacman() {
+  local common core cur database prev query remove sync upgrade o
+  COMPREPLY=()
+  _get_comp_words_by_ref cur prev
+  database=('asdeps asexplicit')
+  query=('changelog check deps explicit file foreign groups info list owns
+          search unrequired upgrades' 'c e g i k l m o p s t u')
+  remove=('cascade dbonly nodeps nosave print recursive unneeded' 'c k n p s u')
+  sync=('asdeps asexplicit clean downloadonly force groups ignore ignoregroup
+         info list needed nodeps print refresh search sysupgrade'
+        'c f g i l p s u w y')
+  upgrade=('asdeps asexplicit force nodeps print' 'f p')
+  common=('arch cachedir config dbpath debug help logfile noconfirm
+           noprogressbar noscriptlet quiet root verbose' 'b d h q r v')
+  core=('database help query remove sync upgrade version' 'D Q R S U V h')
+
+  for o in 'D database' 'Q query' 'R remove' 'S sync' 'U upgrade'; do
+    _arch_incomp "$o" && break
+  done
+
+  if [[ $? != 0 ]]; then
+    _arch_ptr2comp core
+  elif [[ ! $prev =~ ^-\w*[Vbhr] &&
+    ! $prev = --@(cachedir|config|dbpath|help|logfile|root|version) ]]
+  then
+    [[ $cur = -* ]] && _arch_ptr2comp ${o#* } common ||
+      case ${o% *} in
+      D|R)
+          _pacman_pkg Qq;;
+      Q)
+        { _arch_incomp 'g groups' && _pacman_pkg Qg sort; }    ||
+        { _arch_incomp 'p file'   && _pacman_file; }           ||
+          _arch_incomp 'o owns'   || _arch_incomp 'u upgrades' ||
+          _pacman_pkg Qq;;
+      S)
+        { _arch_incomp 'g groups' && _pacman_pkg Sg; }      ||
+        { _arch_incomp 'l list'   && _pacman_pkg Sl sort; } ||
+          _pacman_pkg Slq;;
+      U)
+          _pacman_file;;
+      esac
+  fi
+  true
+}
+
+if [[ $(type -t compopt) = "builtin" ]]; then
+  _pacman_file() {
+    compopt -o filenames; _filedir 'pkg.tar.*'
+  }
+  complete -F _pacman -o default pacman
+else
+  _pacman_file() {
+    _filedir 'pkg.tar.*'
+  }
+  complete -F _pacman -o filenames -o default pacman
+fi
+
+complete -F _makepkg -o default makepkg
+
+# ex:et ts=2 sw=2 ft=sh