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bash_completion: allow overriding completion for arguments that start with "-"
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Sun, 22 Oct 2006 01:02:06 -0300
parents a8823e6824fc
children f699d4eb25d9
comparison
equal deleted inserted replaced
3479:a8823e6824fc 3480:26285469db9b
6 # complete a command line that uses hg with all the available commands 6 # complete a command line that uses hg with all the available commands
7 # and options and sometimes even arguments. 7 # and options and sometimes even arguments.
8 # 8 #
9 # Mercurial allows you to define additional commands through extensions. 9 # Mercurial allows you to define additional commands through extensions.
10 # Bash should be able to automatically figure out the name of these new 10 # Bash should be able to automatically figure out the name of these new
11 # commands and their options. If you also want to tell it how to 11 # commands and their options. See below for how to define _hg_opt_foo
12 # complete non-option arguments, see below for how to define an 12 # and _hg_cmd_foo functions to fine-tune the completion for option and
13 # _hg_cmd_foo function. 13 # non-option arguments, respectively.
14 # 14 #
15 # 15 #
16 # Notes about completion for specific commands: 16 # Notes about completion for specific commands:
17 # 17 #
18 # - the completion function for the email command from the patchbomb 18 # - the completion function for the email command from the patchbomb
32 # 32 #
33 # Writing completion functions for additional commands: 33 # Writing completion functions for additional commands:
34 # 34 #
35 # If it exists, the function _hg_cmd_foo will be called without 35 # If it exists, the function _hg_cmd_foo will be called without
36 # arguments to generate the completion candidates for the hg command 36 # arguments to generate the completion candidates for the hg command
37 # "foo". 37 # "foo". If the command receives some arguments that aren't options
38 # even though they start with a "-", you can define a function called
39 # _hg_opt_foo to generate the completion candidates. If _hg_opt_foo
40 # doesn't return 0, regular completion for options is attempted.
38 # 41 #
39 # In addition to the regular completion variables provided by bash, 42 # In addition to the regular completion variables provided by bash,
40 # the following variables are also set: 43 # the following variables are also set:
41 # - $hg - the hg program being used (e.g. /usr/bin/hg) 44 # - $hg - the hg program being used (e.g. /usr/bin/hg)
42 # - $cmd - the name of the hg command being completed 45 # - $cmd - the name of the hg command being completed
107 { 110 {
108 local cur prev cmd cmd_index opts i 111 local cur prev cmd cmd_index opts i
109 # global options that receive an argument 112 # global options that receive an argument
110 local global_args='--cwd|-R|--repository' 113 local global_args='--cwd|-R|--repository'
111 local hg="$1" 114 local hg="$1"
115 local canonical=0
112 116
113 COMPREPLY=() 117 COMPREPLY=()
114 cur="$2" 118 cur="$2"
115 prev="$3" 119 prev="$3"
116 120
126 fi 130 fi
127 fi 131 fi
128 done 132 done
129 133
130 if [[ "$cur" == -* ]]; then 134 if [[ "$cur" == -* ]]; then
135 if [ "$(type -t "_hg_opt_$cmd")" = function ] && "_hg_opt_$cmd"; then
136 return
137 fi
138
131 opts=$("$hg" debugcomplete --options "$cmd" 2>/dev/null) 139 opts=$("$hg" debugcomplete --options "$cmd" 2>/dev/null)
132 140
133 COMPREPLY=(${COMPREPLY[@]:-} $(compgen -W '$opts' -- "$cur")) 141 COMPREPLY=(${COMPREPLY[@]:-} $(compgen -W '$opts' -- "$cur"))
134 return 142 return
135 fi 143 fi
151 return 159 return
152 fi 160 fi
153 161
154 # try to generate completion candidates for whatever command the user typed 162 # try to generate completion candidates for whatever command the user typed
155 local help 163 local help
156 local canonical=0
157 if _hg_command_specific; then 164 if _hg_command_specific; then
158 return 165 return
159 fi 166 fi
160 167
161 # canonicalize the command name and try again 168 # canonicalize the command name and try again