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bash_completion: small optimization Right now we always call "hg help $cmd" to get the canonical name of $cmd (i.e. to go from "co" to "update"). This patch optimistically assumes that $cmd is already the canonical form and tries to generate completions for it. If that fails, it falls back to canonicalizing $cmd and trying again. This means that: - if a command or alias is explicitly handled by the _hg_command_specific function, things get somewhat faster - as long as the canonical $cmd is handled by _hg_command_specific, all its aliases and abbreviations are also handled.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Sun, 02 Apr 2006 18:20:52 +0200
parents 107dc72880f8
children 077a2da7f1de
comparison
equal deleted inserted replaced
2038:5c4496ed152d 2039:0c438fd25e6e
97 if [ -z "$cmd" ] || [ $COMP_CWORD -eq $i ]; then 97 if [ -z "$cmd" ] || [ $COMP_CWORD -eq $i ]; then
98 _hg_commands 98 _hg_commands
99 return 99 return
100 fi 100 fi
101 101
102 # canonicalize command name 102 # try to generate completion candidates for whatever command the user typed
103 cmd=$("$hg" -q help "$cmd" 2>/dev/null | sed -e 's/^hg //; s/ .*//; 1q') 103 local help
104 local canonical=0
105 if _hg_command_specific; then
106 return
107 fi
104 108
105 if [ "$cmd" != status ] && [ "$prev" = -r ] || [ "$prev" = --rev ]; then 109 # canonicalize the command name and try again
106 _hg_tags 110 help=$("$hg" help "$cmd" 2>/dev/null)
111 if [ $? -ne 0 ]; then
112 # Probably either the command doesn't exist or it's ambiguous
107 return 113 return
114 fi
115 cmd=${help#hg }
116 cmd=${cmd%%[$' \n']*}
117 canonical=1
118 _hg_command_specific
119 }
120
121 _hg_command_specific()
122 {
123 if [ "$cmd" != status ] && [ "$prev" = -r ] || [ "$prev" == --rev ]; then
124 if [ $canonical = 1 ]; then
125 _hg_tags
126 return 0
127 elif [[ status != "$cmd"* ]]; then
128 _hg_tags
129 return 0
130 else
131 return 1
132 fi
108 fi 133 fi
109 134
110 case "$cmd" in 135 case "$cmd" in
111 help) 136 help)
112 _hg_commands 137 _hg_commands
150 COMPREPLY=(${COMPREPLY[@]:-} $(compgen -f -X "!*.i" -- "$cur")) 175 COMPREPLY=(${COMPREPLY[@]:-} $(compgen -f -X "!*.i" -- "$cur"))
151 ;; 176 ;;
152 debugdata) 177 debugdata)
153 COMPREPLY=(${COMPREPLY[@]:-} $(compgen -f -X "!*.d" -- "$cur")) 178 COMPREPLY=(${COMPREPLY[@]:-} $(compgen -f -X "!*.d" -- "$cur"))
154 ;; 179 ;;
180 *)
181 return 1
182 ;;
155 esac 183 esac
156 184
185 return 0
157 } 186 }
158 187
159 complete -o bashdefault -o default -F _hg hg 2>/dev/null \ 188 complete -o bashdefault -o default -F _hg hg 2>/dev/null \
160 || complete -o default -F _hg hg 189 || complete -o default -F _hg hg