135 lines
5.4 KiB
Bash
135 lines
5.4 KiB
Bash
# ------------------------------------------------------------------------------
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# SCM Breeze - Streamline your SCM workflow.
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# Copyright 2011 Nathan Broadbent (http://madebynathan.com). All Rights Reserved.
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# Released under the LGPL (GNU Lesser General Public License)
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# ------------------------------------------------------------------------------
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# Wrap common commands with numeric argument expansion.
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# Prepends everything with exec_scmb_expand_args,
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# even if commands are already aliases or functions
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if [ "$shell_command_wrapping_enabled" = "true" ] || [ "$bash_command_wrapping_enabled" = "true" ]; then
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# Do it in a function so we don't bleed variables
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function _git_wrap_commands() {
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# Define 'whence' for bash, to get the value of an alias
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type whence > /dev/null 2>&1 || function whence() { type "$@" | sed -e "s/.*is aliased to \`//" -e "s/'$//"; }
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local cmd=''
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for cmd in $(echo $scmb_wrapped_shell_commands); do
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: Wrapping $cmd..."; fi
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case "$(type $cmd 2>&1)" in
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# Don't do anything if command already aliased, or not found.
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*'exec_scmb_expand_args'*)
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: $cmd is already wrapped"; fi;;
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*'not found'*)
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: $cmd not found!"; fi;;
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*'is aliased to'*|*'is an alias for'*)
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: $cmd is an alias"; fi
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# Store original alias
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local original_alias="$(whence $cmd)"
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# Remove alias, so that which can return binary
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unalias $cmd
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# Detect original $cmd type, and escape
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case "$(type $cmd 2>&1)" in
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# Escape shell builtins with 'builtin'
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*'is a shell builtin'*) local escaped_cmd="builtin $cmd";;
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# Get full path for files with 'which'
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*) local escaped_cmd="$(\which $cmd)";;
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esac
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# Expand original command into full path, to avoid infinite loops
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local expanded_alias="$(echo $original_alias | sed "s%\(^\| \)$cmd\($\| \)%\\1$escaped_cmd\\2%")"
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# Wrap previous alias with escaped command
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alias $cmd="exec_scmb_expand_args $expanded_alias";;
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*'is a'*'function'*)
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: $cmd is a function"; fi
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# Copy old function into new name
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eval "$(declare -f $cmd | sed "s/^$cmd ()/__original_$cmd ()/")"
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# Remove function
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unset -f $cmd
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# Create wrapped alias for old function
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alias "$cmd"="exec_scmb_expand_args __original_$cmd";;
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*'is a shell builtin'*)
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: $cmd is a shell builtin"; fi
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# Handle shell builtin commands
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alias $cmd="exec_scmb_expand_args builtin $cmd";;
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*)
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if [ "${scmbDebug:-}" = "true" ]; then echo "SCMB: $cmd is an executable file"; fi
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# Otherwise, command is a regular script or binary,
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# and the full path can be found from 'which'
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alias $cmd="exec_scmb_expand_args $(\which $cmd)";;
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esac
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done
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# Clean up
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declare -f whence > /dev/null && unset -f whence
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}
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_git_wrap_commands
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fi
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# BSD ls is different to Linux (GNU) ls
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_uname="$(uname)"
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if [ "$_uname" = "Linux" ]; then
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# Linux ls commands
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_ll_command="ls -lhv --group-directories-first --color"
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_ll_sys_command="ls -v --group-directories-first --color=never"
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_abs_path_command="readlink -f"
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# Replace user/group with user symbol, if defined at ~/.user_sym
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# Before : -rw-rw-r-- 1 ndbroadbent ndbroadbent 1.1K Sep 19 21:39 scm_breeze.sh
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# After : -rw-rw-r-- 1 𝐍 𝐍 1.1K Sep 19 21:39 scm_breeze.sh
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if [ -e $HOME/.user_sym ]; then
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# Little bit of ruby golf to rejustify the user/group/size columns after replacement
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function rejustify_ls_columns(){
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ruby -e "o=STDIN.read;re=/^(([^ ]* +){2})(([^ ]* +){3})/;u,g,s=o.lines.map{|l|l[re,3]}.compact.map(&:split).transpose.map{|a|a.map(&:size).max+1};puts o.lines.map{|l|l.sub(re){|m|\"%s%-#{u}s %-#{g}s%#{s}s \"%[\$1,*\$3.split]}}"
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}
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_ll_command+=" | sed 1d | sed \"s/$USER/\$(/bin/cat $HOME/.user_sym)/g\" | _rejustify_ls_columns"
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fi
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elif [ "$_uname" = "Darwin" ]; then
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# OS X ls commands
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_ll_command="ls -l -G"
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_ll_sys_command="ls"
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# Use perl abs_path, since readlink -f isn't available on OS X
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_abs_path_command="perl -e 'use Cwd \"abs_path\"; print abs_path(shift)'"
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fi
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if [ -n "$_ll_command" ]; then
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# Function wrapper around 'll'
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# Adds numbered shortcuts to output of ls -l, just like 'git status'
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unalias ll > /dev/null 2>&1; unset -f ll > /dev/null 2>&1
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function ll {
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local ll_output="$(eval $_ll_command $@)"
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if [ "$(echo "$ll_output" | wc -l)" -gt "50" ]; then
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echo -e "\e[33mToo many files to create shortcuts. Running plain ll command...\e[0m"
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echo "$ll_output"
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return 1
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fi
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# Use ruby to inject numbers into ls output
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ruby -e "$( cat <<EOF
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output = "$ll_output"
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output.lines.each_with_index do |line, i|
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puts line.sub(/^(([^ ]* +){8})/, "\\\1\e[2;37m[\e[0m#{i}\e[2;37m]\e[0m" << (i < 10 ? " " : " "))
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end
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EOF
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)"
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# Set numbered file shortcut in variable
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local e=1
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OLDIFS="$IFS"
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IFS=$(echo -en "\n\b")
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for file in $(eval $_ll_sys_command); do
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export $git_env_char$e="$(eval $_abs_path_command \"$file\")"
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if [ "${scmbDebug:-}" = "true" ]; then echo "Set \$$git_env_char$e => $file"; fi
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let e++
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done
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IFS="$OLDIFS"
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}
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fi |