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zsh/Completion/Unix/Command/_darcs

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#compdef darcs
# EXTENDED_GLOB is required fr pattern backreferences.
setopt EXTENDED_GLOB
local DARCS=$words[1]
# test whether to hide short options from completion
autoload is-at-least
local hide_short
if zstyle -s ":completion:${curcontext}" hide-shortopts hide_short; then
case $hide_short in
true|yes|on|1) hide_short='!' ;;
*) hide_short='' ;;
esac
else
is-at-least 4.1 || hide_short='!'
fi
_darcs_main() {
# Based on section 6.8 of _A User's Guide to the Z-Shell_ by Peter Stephenson.
# Also based on the tla completion module by Jason McCarty. How do I credit
# this?
local DARCS=$words[1]
local arguments
local curcontext="$curcontext"
if (( CURRENT > 2 )); then
local cmd=${words[2]}
local var_cmd=cmd_${cmd//-/_}
curcontext="${curcontext%:*:*}:darcs-${cmd}:"
(( CURRENT-- ))
shift words
local short long arg desc action
short=()
long=()
arg=()
desc=()
action=()
arguments=()
# Collect all help lines which have a leading space.
local input
input=(${(f)"$($DARCS $cmd -h)"})
input=(${input:#[^\ ]*})
local i
for (( i=1 ; i <= ${#input} ; i++ )); do
# Assumption: the the argument descriptions from `darcs cmd -h`
# have the following format:
# [spaces]<-f>[spaces][--flag]<=<spaces>argument>[spaces][description]
[[ "$input[i]" = (#b)' '#(-?|)' '#([^' ']#|)' '#(--[^=' ']#)(=([^' ']#)|)' '#(*) ]] \
|| _message -e messages "cannot parse command help output." || return 1
short[i]="$match[1]"
long[i]="$match[3]"
arg[i]="$match[5]"
desc[i]="$match[6]"
desc[i]="${${desc[i]//\[/\\[}//\]/\\]}" # escape brackets
case $arg[i] in
DIRECTORY)
action[i]='_files -/' ;;
FILE|FILENAME|IDFILE|KEYS)
action[i]='_files' ;;
USERNAME)
action[i]='_users' ;;
EMAIL|FROM)
action[i]='_email_addresses' ;;
*)
action[i]='' ;;
esac
done
# Compute the exludes for _arguments
local excluded short_excluded long_excluded k
for (( i=1 ; i <= ${#input} ; i++ )); do
excluded=()
for opt (${=excludes[$long[i]]}); do
k=$long[(i)$opt]
excluded=($excluded $short[k] $long[k])
done
# Generate arguments for _arguments.
# Make long and short options mutually exclusive.
short_excluded=($long[i] $excluded)
long_excluded=($short[i] $excluded)
[ $short[i] ] && arguments=("$arguments[@]"
"${hide_short}(${short_excluded})${short[i]}[${desc[i]}]${arg[i]:+:$arg[i]:$action[i]}")
[ $long[i] ] && arguments=("$arguments[@]"
"(${long_excluded})${long[i]}${arg[i]:+=}[${desc[i]}]${arg[i]:+:$arg[i]:$action[i]}")
done
arguments=("$arguments[@]" "${(@P)var_cmd-*:FILE:_files}")
else
local hline
local -a cmdlist
_call_program help-commands darcs --help | while read -A hline; do
(( ${#hline} < 2 )) && continue
[[ $hline[1] == darcs ]] && continue
[[ $hline[1] == Usage: ]] && continue
[[ $hline[1] == Use ]] && continue
cmdlist=( $cmdlist "${hline[1]}:${hline[2,-1]}" )
done
arguments=(':commands:(($cmdlist))')
fi
_arguments -S -A '-*' \
"$arguments[@]"
}
#
# Command argument definitions
#
local -a cmd_initialize cmd_get
cmd_initialize=()
cmd_get=(':repository:_files -/' ':new repository name:_files -/')
local -a cmd_add cmd_remove cmd_move cmd_replace
cmd_add=('*:new files:_darcs_new_file_or_tree')
cmd_remove=('*:existing controlled files:_darcs_controlled_files -e')
cmd_move=('*:existing controlled files:_darcs_controlled_files -e')
cmd_replace=(':old token:' ':new token:' '*:existing controlled files:_darcs_controlled_files -e')
local -a cmd_record cmd_pull cmd_push cmd_send cmd_apply
cmd_record=('*:controlled files:_darcs_controlled_files')
cmd_pull=(':repository:_darcs_repository_or_tree')
cmd_push=(':repository:_darcs_repository_or_tree')
cmd_send=(':repository:_darcs_repository_or_tree')
cmd_apply=(':patch file:_files')
local -a cmd_whatsnew cmd_changes
cmd_whatsnew=('*:controlled files:_darcs_controlled_files')
cmd_changes=('*:controlled files:_darcs_controlled_files')
local -a cmd_tag cmd_setpref cmd_check cmd_optimize
cmd_tag=()
cmd_setpref=(':preference key:(test predist boringfile binaries)' ':value:_files')
cmd_check=()
cmd_optimize=()
local -a cmd_amend_record cmd_rollback cmd_unrecord cmd_unpull cmd_revert cmd_unrevert
cmd_amend_record=('*:controlled files:_darcs_controlled_files')
cmd_rollback=()
cmd_unrecord=()
cmd_unpull=()
cmd_revert=('*:controlled files:_darcs_controlled_files')
cmd_unrevert=()
local -a cmd_diff cmd_annotate
cmd_diff=('*:controlled files:_darcs_controlled_files')
cmd_annotate=('*:controlled files:_darcs_controlled_files')
local -a cmd_resolve cmd_dist cmd_trackdown cmd_repair
cmd_resolve=()
cmd_dist=()
cmd_trackdown=(':initialization:' ':command:')
cmd_repair=()
#
# Completion functions
#
(( $+functions[_darcs_new_files] )) ||
_darcs_new_files () {
local -a new_files
local -a local_files
local in_tree_head in_tree_tail
_darcs_make_tree_path in_tree_head in_tree_tail || return 1
new_files=(${(f)"$(cd $(_darcs_absolute_tree_root)/$in_tree_head; $DARCS whatsnew -sl .)"})
new_files=(${${new_files:#[^a]*}//a /})
local_files=()
for file ($new_files); do
[[ $file:h = $in_tree_head && $file:t = ${in_tree_tail}* ]] && local_files+=$file:t
done
compset -P '*/'
_description new_files expl "new files"
compadd "$expl[@]" "$local_files[@]"
}
# _darcs_controlled_files [-e|r] [-f|d]
#
# Adds controlled files to the completion. Can take either
# -e or -r as flags which respectively only add the existing
# files or the deleted files. Can take either -f or -d which
# respectively add only the files or directories.
(( $+functions[_darcs_controlled_files] )) ||
_darcs_controlled_files() {
local abs_root=$(_darcs_absolute_tree_root)
local only_removed only_existing only_files only_dirs
zparseopts -E \
'r=only_removed' 'e=only_existing' \
'f=only_files' 'd=only_dirs'
local in_tree_head in_tree_tail
_darcs_make_tree_path in_tree_head in_tree_tail
local recorded_dir="$abs_root/_darcs/current/$in_tree_head"
local -a controlled_files controlled_dirs existing_files existing_dirs
local -a dir_display_strs removed_dir_display_strs
controlled_files=${(z)$(print $recorded_dir/$in_tree_tail*(.:t))}
controlled_dirs=${(z)$(print $recorded_dir/$in_tree_tail*(/:t))}
existing_files=() existing_dirs=()
removed_files=() removed_dirs=()
dir_display_strs=() removed_dir_display_strs=()
local dir file
for dir ($controlled_dirs); do
if [[ -e $abs_root/$in_tree_head/$dir ]]; then
existing_dirs+="$dir"
dir_display_strs+="$dir/"
else
removed_dirs+="$dir"
removed_dir_display_strs+="$dir/"
fi
done
for file ($controlled_files); do
if [[ -e $abs_root/$in_tree_head/$file ]]; then
existing_files+="$file"
else
removed_files+="$file"
fi
done
compset -P '*/'
if (( ! ${#only_removed} )); then
_description controlled_files expl "existing revision controlled files"
(( ! ${#only_dirs} )) && compadd "$expl[@]" $existing_files
(( ! ${#only_files} )) \
&& compadd "$expl[@]" -q -S / -d dir_display_strs -a -- existing_dirs
fi
if (( ! ${#only_existing} )); then
_description removed_files expl "removed revision controlled files"
(( ! ${#only_dirs} )) && compadd "$expl[@]" $removed_files
(( ! ${#only_files} )) \
&& compadd "$expl[@]" -q -S / -d removed_dir_display_strs -a -- removed_dirs
fi
}
(( $+functions[_darcs_repositories] )) ||
_darcs_repositories() {
local local_repos_path="$(_darcs_absolute_tree_root)/_darcs/prefs/repos"
local global_repos_path="$HOME/.darcs/repos"
local -a local_repos global_repos
local -a global_repos
[[ -e $local_repos_path ]] && cat $local_repos_path | read -A local_repos
[[ -e $global_repos_path ]] && cat $global_repos_path | read -A global_repos
local_repos=${local_repos:# #}
global_repos=${global_repos:# #}
_description repositories expl "repositories"
(( ${#local_repos} )) && compadd "$expl[@]" -- "$local_repos[@]"
(( ${#global_repos} )) && compadd "$expl[@]" -- "$global_repos[@]"
}
# Combination completion functions
(( $+functions[_darcs_new_file_or_tree] )) ||
_darcs_new_file_or_tree() {
local base_dir=$( cd ${$(_darcs_repodir):-.}; pwd -P)
[[ -z $(_darcs_absolute_tree_root $base_dir) ]] && return 1
local -a ignored_files
ignored_files=(_darcs)
_alternative 'newfiles:new file:_darcs_new_files' \
"directories:tree:_path_files -/ -W$base_dir -Fignored_files"
}
(( $+functions[_darcs_repository_or_tree] )) ||
_darcs_repository_or_tree() {
local -a ignored_files
ignored_files=(_darcs)
_alternative 'repository:repository:_darcs_repositories' \
"directories:directories:_path_files -/ -Fignored_files"
}
#
# Mutually exclusive options
#
typeset -A excludes
excludes=(
# Output
--summary '--no-summary'
--no-summary '--summary'
--context ' --xml-output --human-readable --unified'
--xml-output '--context --human-readable --unified'
--human-readable '--context --xml-output --unified'
--unified '--context --xml-output --human-readable '
# Verbosity
--verbose ' --quiet --standard-verbosity'
--quiet '--verbose --standard-verbosity'
--standard-verbosity '--verbose --quiet '
# Traversal
--recursive '--not-recursive'
--not-recursive '--recursive'
--look-for-adds '--dont-look-for-adds'
--dont-look-for-adds '--look-for-adds'
# Pattern
--from-match ' --from-patch --from-tag'
--from-patch '--from-match --from-tag'
--from-tag '--from-patch --from-match '
--to-match ' --to-patch -to-tag'
--to-patch '--to-match -to-tag'
--to-tag '--to-match --to-patch '
# Repository Properties
--plain-pristine-tree '--no-pristine-tree'
--no-pristine-tree '--plain-pristine-tree'
--parial '--complete'
--complete '--partial'
--compress '--dont-compress'
--dont-compress '--compress'
--set-default '--no-set-default'
--no-set-default '--set-default'
# Logs
--edit-long-comment '--skip-long-comment --leave-test-directory'
--skip-long-comment '--edit-long-comment --leave-test-directory'
--prompt-long-comment '--edit-long-comment --skip-long-comment'
# Security
--sign ' --sign-as --sign-ssl --dont-sign'
--sign-as '--sign --sign-ssl --dont-sign'
--sign-ssl '--sign --sign-as --dont-sign'
--dont-sign '--sign --sign-as --sign-ssl '
--verify ' --verify-ssl --no-verify'
--verify-ssl '--verify --no-verify'
--no-verify '--verify --verify-ssl '
--apply-as '--apply-as-myself'
--apply-as-myself '--apply-as'
# Conflicts
--mark-conflicts '--allow-conflicts --no-resolve-conflicts --dont-allow-conflicts'
--allow-conflicts '--mark-conflicts --no-resolve-conflicts --dont-allow-conflicts'
--no-resolve-conflicts '--mark-conflicts --allow-conflicts --dont-allow-conflicts'
--dont-allow-conflicts '--mark-conflicts --allow-conflicts --no-resolve-conflicts '
# Test
--test '--no-test'
--no-test '--test'
--leave-test-directory '--remove-test-directory'
--remove-test-directory '--leave-test-directory'
# Misc
--force '--no-force'
--no-force '--force'
--ask-deps '--no-ask-deps'
--no-ask-deps '--ask-deps'
--date-trick '--no-date-trick'
--no-date-trick '--date-trick'
--set-scripts-executable '--dont-set-scripts-executable'
--dont-set-scripts-executable '--set-scripts-executable'
)
#
# Utility functions
#
# _darcs_make_tree_path in_tree_head_name in_tree_tail_name path
# Set in_tree_head_name in_tree_tail_name to the corresponding path
# parts from inside the current darcs tree.
_darcs_make_tree_path () {
[[ -z $3 || $3 = '.' ]] && 3=${PREFIX:-./}
local _in_tree=$(_darcs_path_from_root ${$(_darcs_repodir):-.}/$3)
[[ -z $_in_tree ]] && return 1
4='' 5=''
if [[ ${3[-1]} = / ]]; then
4=$_in_tree
else
4=$_in_tree:h
[[ $_in_tree:t != . ]] && 5=$_in_tree:t
fi
set -A "$1" "$4"
set -A "$2" "$5"
}
_darcs_repodir () {
local index=$words[(i)--repodir*]
if (( index < CURRENT )); then
if [[ $words[$index] = --repodir ]]; then
(( index++ ))
print $words[$index]
else
print ${words[$index]#*=}
fi
fi
}
_darcs_absolute_tree_root () {
local root=$(_darcs_repodir)
[[ -z $root ]] && root=$(pwd -P)
while [[ ! $root -ef / ]]; do
[[ -d $root/_darcs ]] && break
root="$root/.."
done
[[ $root -ef / ]] || print $(cd $root; pwd -P)
}
_darcs_tree_root () {
local abs=$(_darcs_absolute_tree_root)
local rel=$(_darcs_relative_path $abs $(pwd -P))
[[ -n $abs ]] && print $rel
}
# _darcs_paths_from_root name paths
# Sets name to the paths relative to the darcs tree root.
# If no argument is given then the current directory
# is assumed.
_darcs_paths_from_root () {
local name=$1
abs=$(_darcs_absolute_tree_root)
[[ -z $abs ]] && set -A "$name" && return 1
shift
1=${1:=$PWD}
local -a subpaths
_darcs_filter_for_subpaths subpaths $abs $*
local i
for (( i=1; i<=${#subpaths}; i++ )); do
[[ $subpaths[$i] != '.' ]] && subpaths[$i]="./$subpaths[$i]"
done
set -A "$name" "$subpaths[@]"
}
_darcs_path_from_root() {
local path
_darcs_paths_from_root path $1
[[ -n $path ]] && print "$path"
}
# _darcs_filter_for_in_dir name dir paths
# Sets name to the relative paths from dir to the given paths which
# traverse dir. It ignores paths which are not in dir.
_darcs_filter_for_subpaths () {
local name=$1 dir=$2
shift 2
local p rel
local -a accepted_paths
accepted_paths=()
for p; do
rel=$(_darcs_path_difference $p $dir)
[[ -n $rel ]] && accepted_paths+="$rel"
done
set -A "$name" "$accepted_paths[@]"
}
# _darcs_path_difference p1 p2
# Print the path from p2 to p1. If p2 is not an ancestor of p1 then it
# prints a blank string. If they point to the same directory then it returns
# a single period. p2 needs to be a directory path.
_darcs_path_difference () {
local diff=$(_darcs_relative_path $1 $2)
[[ ${diff%%/*} != .. ]] && print $diff || return 1
}
# Print the a relative path from the second directory to the first,
# defaulting the second directory to $PWD if none is specified.
# Taken from the zsh mailing list.
_darcs_relative_path () {
2=${2:=$PWD}
[[ -d $2 && -d $1:h ]] || return 1
[[ ! -d $1 ]] && 3=$1:t 1=$1:h
1=$(cd $1; pwd -P)
2=$(cd $2; pwd -P)
[[ $1 -ef $2 ]] && print ${3:-.} && return
local -a cur abs
cur=(${(s:/:)2}) # Split 'current' directory into cur
abs=(${(s:/:)1} $3) # Split target directory into abs
# Compute the length of the common prefix, or discover a subdiretory:
integer i=1
while [[ i -le $#abs && $abs[i] == $cur[i] ]]
do
((++i > $#cur)) && print ${(j:/:)abs[i,-1]} && return
done
2=${(j:/:)cur[i,-1]/*/..} # Up to the common prefix directory and
1=${(j:/:)abs[i,-1]} # down to the target directory or file
print $2${1:+/$1}
}
# Code to make sure _darcs is run when we load it
_darcs_main "$@"
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