1 files changed, 156 insertions, 0 deletions
diff --git a/scripts/completion/bash_completion.in b/scripts/completion/bash_completion.in
new file mode 100644
index 00000000..06963c42
--- /dev/null
+++ b/scripts/completion/bash_completion.in
@@ -0,0 +1,156 @@
+# 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 ]]
+}
+
+_pacman_keyids() {
+  \pacman-key --list-keys 2>/dev/null | awk '
+    $1 == "pub" {
+      # key id
+      split($2, a, "/"); print a[2]
+    }
+    $1 == "uid" {
+      # email
+      if (match($NF, /<[^>]+>/))
+        print substr($NF, RSTART + 1, RLENGTH - 2)
+    }'
+}
+
+_pacman_key() {
+  local o cur opts prev wantfiles
+  COMPREPLY=()
+  _get_comp_words_by_ref cur prev
+  opts=('add config delete edit-key export finger gpgdir
+         help import import-trustdb init keyserver list-keys list-sigs
+         lsign-key nocolor populate recv-keys refresh-keys updatedb
+         verify version'
+        'a d e f h l r u v V')
+
+  # operations for which we want to complete keyids
+  for o in 'd delete' 'e export' 'f finger' 'l list-keys' 'r recv-keys' \
+      'edit-key' 'list-sigs' 'lsign-key' 'refresh-keys'; do
+    _arch_incomp "$o" && break
+    unset o
+  done
+
+  # options for which we want file completion
+  wantfiles='-@(c|-config|g|-gpgdir)'
+
+  if [[ $prev = 'pacman-key' || ( $cur = -* && $prev != $wantfiles ) ]]; then
+    _arch_ptr2comp opts
+  elif [[ $prev = @(-k|--keyserver) ]]; then
+    return
+  elif [[ $prev != $wantfiles && $o ]]; then
+    COMPREPLY=($(compgen -W '$(_pacman_keyids)' -- "$cur"))
+  fi
+  true
+}
+
+_makepkg() {
+  local cur opts prev
+  COMPREPLY=()
+  _get_comp_words_by_ref cur prev
+  if [[ $cur = -* && ! $prev =~ ^-(-(config|help|key|version)$|\w*[Vhp]) ]]; then
+    opts=('allsource asdeps check clean cleanbuild config force geninteg help
+           holdver ignorearch install key log needed noarchive nobuild nocheck
+           nocolor noconfirm nodeps noextract noprepare noprogressbar nosign
+           packagelist printsrcinfo repackage rmdeps sign skipchecksums
+           skipinteg skippgpcheck source syncdeps verifysource version'
+          'A C L R S 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 2>/dev/null | \cut -d' ' -f1 | \sort -u
+    else
+      \pacman -$1 2>/dev/null
+    fi
+  )"
+}
+
+_pacman() {
+  local common core cur database files prev query remove sync upgrade o
+  COMPREPLY=()
+  _get_comp_words_by_ref cur prev
+  database=('asdeps asexplicit')
+  files=('list machinereadable owns search refresh regex' 'l o s x y')
+  query=('changelog check deps explicit file foreign groups info list owns
+          search unrequired upgrades' 'c e g i k l m o p s t u')
+  remove=('cascade dbonly nodeps assume-installed nosave print recursive unneeded' 'c n p s u')
+  sync=('asdeps asexplicit clean dbonly downloadonly force groups ignore ignoregroup
+         info list needed nodeps assume-installed print refresh recursive search sysupgrade'
+        'c g i l p s u w y')
+  upgrade=('asdeps asexplicit force needed nodeps assume-installed print recursive' 'p')
+  common=('arch cachedir color config confirm dbpath debug gpgdir help hookdir logfile
+           noconfirm noprogressbar noscriptlet quiet root verbose' 'b d h q r v')
+  core=('database files help query remove sync upgrade version' 'D F Q R S U V h')
+
+  for o in 'D database' 'F files' 'Q query' 'R remove' 'S sync' 'U upgrade'; do
+    _arch_incomp "$o" && break
+  done
+
+  if [[ $? != 0 ]]; then
+    _arch_ptr2comp core
+  elif [[ ! $prev =~ ^-\w*[Vbhr] &&
+    ! $prev = --@(cachedir|color|config|dbpath|help|hookdir|gpgdir|logfile|root|version) ]]
+  then
+    [[ $cur = -* ]] && _arch_ptr2comp ${o#* } common ||
+      case ${o% *} in
+      D|R)
+          _pacman_pkg Qq;;
+      F)
+          _arch_incomp 'l list'   && _pacman_pkg Slq;
+          ;;
+      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
+}
+
+_pacman_file() {
+  compopt -o filenames; _filedir 'pkg.tar*'
+}
+
+complete -F _pacman -o default pacman
+complete -F _makepkg -o default makepkg
+complete -F _pacman_key -o default pacman-key
+
+# ex:et ts=2 sw=2 ft=sh