1#!tcsh 2# 3# tcsh completion support for core Git. 4# 5# Copyright (C) 2012 Marc Khouzam <marc.khouzam@gmail.com> 6# Distributed under the GNU General Public License, version 2.0. 7# 8# When sourced, this script will generate a new script that uses 9# the git-completion.bash script provided by core Git. This new 10# script can be used by tcsh to perform git completion. 11# The current script also issues the necessary tcsh 'complete' 12# commands. 13# 14# To use this completion script: 15# 16# 1) Copy both this file and the bash completion script to ${HOME}. 17# You _must_ use the name ${HOME}/.git-completion.bash for the 18# bash script. 19# (e.g. ~/.git-completion.tcsh and ~/.git-completion.bash). 20# 2) Add the following line to your .tcshrc/.cshrc: 21# source ~/.git-completion.tcsh 22# 3) For completion similar to bash, it is recommended to also 23# add the following line to your .tcshrc/.cshrc: 24# set autolist=ambiguous 25# It will tell tcsh to list the possible completion choices. 26 27set __git_tcsh_completion_original_script = ${HOME}/.git-completion.bash 28set __git_tcsh_completion_script = ${HOME}/.git-completion.tcsh.bash 29 30# Check that the user put the script in the right place 31if ( ! -e ${__git_tcsh_completion_original_script} ) then 32 echo "git-completion.tcsh: Cannot find: ${__git_tcsh_completion_original_script}. Git completion will not work." 33 exit 34endif 35 36cat << EOF > ${__git_tcsh_completion_script} 37#!bash 38# 39# This script is GENERATED and will be overwritten automatically. 40# Do not modify it directly. Instead, modify git-completion.tcsh 41# and source it again. 42 43source ${__git_tcsh_completion_original_script} 44 45# Set COMP_WORDS in a way that can be handled by the bash script. 46COMP_WORDS=(\$2) 47 48# The cursor is at the end of parameter #1. 49# We must check for a space as the last character which will 50# tell us that the previous word is complete and the cursor 51# is on the next word. 52if [ "\${2: -1}" == " " ]; then 53 # The last character is a space, so our location is at the end 54 # of the command-line array 55 COMP_CWORD=\${#COMP_WORDS[@]} 56else 57 # The last character is not a space, so our location is on the 58 # last word of the command-line array, so we must decrement the 59 # count by 1 60 COMP_CWORD=\$((\${#COMP_WORDS[@]}-1)) 61fi 62 63# Call _git() or _gitk() of the bash script, based on the first argument 64_\${1} 65 66IFS=\$'\n' 67if [ \${#COMPREPLY[*]} -gt 0 ]; then 68 echo "\${COMPREPLY[*]}" | sort | uniq 69else 70 # No completions suggested. In this case, we want tcsh to perform 71 # standard file completion. However, there does not seem to be way 72 # to tell tcsh to do that. To help the user, we try to simulate 73 # file completion directly in this script. 74 # 75 # Known issues: 76 # - Possible completions are shown with their directory prefix. 77 # - Completions containing shell variables are not handled. 78 # - Completions with ~ as the first character are not handled. 79 80 # No file completion should be done unless we are completing beyond 81 # the git sub-command. An improvement on the bash completion :) 82 if [ \${COMP_CWORD} -gt 1 ]; then 83 TO_COMPLETE="\${COMP_WORDS[\${COMP_CWORD}]}" 84 85 # We don't support ~ expansion: too tricky. 86 if [ "\${TO_COMPLETE:0:1}" != "~" ]; then 87 # Use ls so as to add the '/' at the end of directories. 88 RESULT=(\`ls -dp \${TO_COMPLETE}* 2> /dev/null\`) 89 echo \${RESULT[*]} 90 91 # If there is a single completion and it is a directory, 92 # we output it a second time to trick tcsh into not adding a space 93 # after it. 94 if [ \${#RESULT[*]} -eq 1 ] && [ "\${RESULT[0]: -1}" == "/" ]; then 95 echo \${RESULT[*]} 96 fi 97 fi 98 fi 99fi 100 101EOF 102 103# Don't need this variable anymore, so don't pollute the users environment 104unset __git_tcsh_completion_original_script 105 106complete git 'p,*,`bash ${__git_tcsh_completion_script} git "${COMMAND_LINE}"`,' 107complete gitk 'p,*,`bash ${__git_tcsh_completion_script} gitk "${COMMAND_LINE}"`,'