diff options
Diffstat (limited to 'contrib/completion/git-completion.tcsh')
| -rw-r--r-- | contrib/completion/git-completion.tcsh | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/contrib/completion/git-completion.tcsh b/contrib/completion/git-completion.tcsh new file mode 100644 index 000000000000..4a790d8f4ec1 --- /dev/null +++ b/contrib/completion/git-completion.tcsh @@ -0,0 +1,126 @@ +# tcsh completion support for core Git. +# +# Copyright (C) 2012 Marc Khouzam <marc.khouzam@gmail.com> +# Distributed under the GNU General Public License, version 2.0. +# +# When sourced, this script will generate a new script that uses +# the git-completion.bash script provided by core Git. This new +# script can be used by tcsh to perform git completion. +# The current script also issues the necessary tcsh 'complete' +# commands. +# +# To use this completion script: +# +# 0) You need tcsh 6.16.00 or newer. +# 1) Copy both this file and the bash completion script to ${HOME}. +# You _must_ use the name ${HOME}/.git-completion.bash for the +# bash script. +# (e.g. ~/.git-completion.tcsh and ~/.git-completion.bash). +# 2) Add the following line to your .tcshrc/.cshrc: +# source ~/.git-completion.tcsh +# 3) For completion similar to bash, it is recommended to also +# add the following line to your .tcshrc/.cshrc: +# set autolist=ambiguous +# It will tell tcsh to list the possible completion choices. + +set __git_tcsh_completion_version = `\echo ${tcsh} | \sed 's/\./ /g'` +if ( ${__git_tcsh_completion_version[1]} < 6 || \ + ( ${__git_tcsh_completion_version[1]} == 6 && \ + ${__git_tcsh_completion_version[2]} < 16 ) ) then + echo "git-completion.tcsh: Your version of tcsh is too old, you need version 6.16.00 or newer. Git completion will not work." + exit +endif +unset __git_tcsh_completion_version + +set __git_tcsh_completion_original_script = ${HOME}/.git-completion.bash +set __git_tcsh_completion_script = ${HOME}/.git-completion.tcsh.bash + +# Check that the user put the script in the right place +if ( ! -e ${__git_tcsh_completion_original_script} ) then + echo "git-completion.tcsh: Cannot find: ${__git_tcsh_completion_original_script}. Git completion will not work." + exit +endif + +cat << EOF >! ${__git_tcsh_completion_script} +#!bash +# +# This script is GENERATED and will be overwritten automatically. +# Do not modify it directly. Instead, modify git-completion.tcsh +# and source it again. + +source ${__git_tcsh_completion_original_script} + +# Remove the colon as a completion separator because tcsh cannot handle it +COMP_WORDBREAKS=\${COMP_WORDBREAKS//:} + +# For file completion, tcsh needs the '/' to be appended to directories. +# By default, the bash script does not do that. +# We can achieve this by using the below compatibility +# method of the git-completion.bash script. +__git_index_file_list_filter () +{ + __git_index_file_list_filter_compat +} + +# Set COMP_WORDS in a way that can be handled by the bash script. +COMP_WORDS=(\$2) + +# The cursor is at the end of parameter #1. +# We must check for a space as the last character which will +# tell us that the previous word is complete and the cursor +# is on the next word. +if [ "\${2: -1}" == " " ]; then + # The last character is a space, so our location is at the end + # of the command-line array + COMP_CWORD=\${#COMP_WORDS[@]} +else + # The last character is not a space, so our location is on the + # last word of the command-line array, so we must decrement the + # count by 1 + COMP_CWORD=\$((\${#COMP_WORDS[@]}-1)) +fi + +# Call _git() or _gitk() of the bash script, based on the first argument +_\${1} + +IFS=\$'\n' +if [ \${#COMPREPLY[*]} -eq 0 ]; then + # No completions suggested. In this case, we want tcsh to perform + # standard file completion. However, there does not seem to be way + # to tell tcsh to do that. To help the user, we try to simulate + # file completion directly in this script. + # + # Known issues: + # - Possible completions are shown with their directory prefix. + # - Completions containing shell variables are not handled. + # - Completions with ~ as the first character are not handled. + + # No file completion should be done unless we are completing beyond + # the git sub-command. An improvement on the bash completion :) + if [ \${COMP_CWORD} -gt 1 ]; then + TO_COMPLETE="\${COMP_WORDS[\${COMP_CWORD}]}" + + # We don't support ~ expansion: too tricky. + if [ "\${TO_COMPLETE:0:1}" != "~" ]; then + # Use ls so as to add the '/' at the end of directories. + COMPREPLY=(\`ls -dp \${TO_COMPLETE}* 2> /dev/null\`) + fi + fi +fi + +# tcsh does not automatically remove duplicates, so we do it ourselves +echo "\${COMPREPLY[*]}" | sort | uniq + +# If there is a single completion and it is a directory, we output it +# a second time to trick tcsh into not adding a space after it. +if [ \${#COMPREPLY[*]} -eq 1 ] && [ "\${COMPREPLY[0]: -1}" == "/" ]; then + echo "\${COMPREPLY[*]}" +fi + +EOF + +# Don't need this variable anymore, so don't pollute the users environment +unset __git_tcsh_completion_original_script + +complete git 'p,*,`bash ${__git_tcsh_completion_script} git "${COMMAND_LINE}"`,' +complete gitk 'p,*,`bash ${__git_tcsh_completion_script} gitk "${COMMAND_LINE}"`,' |