1 | #!/usr/bin/ruby |
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2 | # usage: change-default-flavor emacs-21.0.104 ? |
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3 | # usage: reverse-default-flavor |
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4 | # usage: change-temporary-flavor emacs-21.0.104 ? |
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5 | |
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6 | require "ftools" |
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7 | |
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8 | prefix="/" |
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9 | # prefix="/" |
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10 | |
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11 | case $0 |
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12 | when /change-default/ |
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13 | action = "change" |
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14 | when /~reverse/ |
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15 | action = "reverse" |
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16 | when /change-temporary/ |
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17 | action = "temporary" |
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18 | end |
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19 | |
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20 | flavor = ARGV[0] if ARGV[0] != nil |
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21 | |
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22 | |
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23 | lib_dir = prefix+"/usr/lib/emacsen-common" |
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24 | var_dir = prefix+"/var/lib/emacsen-common" |
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25 | |
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26 | |
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27 | def getCurrentFlavor(var_dir = "/") |
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28 | array = open(var_dir+"/installed-flavors").readlines |
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29 | return array.pop |
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30 | end |
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31 | |
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32 | def removeFlavor(flavor,var_dir = "/") |
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33 | array = open(var_dir+"/installed-flavors").readlines |
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34 | array.delete(flavor) |
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35 | return array |
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36 | end |
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37 | |
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38 | # synlink ¤ÎÊѹ¹ |
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39 | |
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40 | def changeLink(emacs,dir="/usr/bin/") |
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41 | Dir.open(dir).each{ |name| |
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42 | fullpath = dir+name |
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43 | if fullpath =~/\.#{emacs}$/ |
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44 | then |
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45 | srcname = fullpath |
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46 | distname = fullpath.dup |
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47 | distname.sub!(/\.#{emacs}$/,"") |
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48 | File.unlink(distname) if File.symlink?(distname) |
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49 | File.symlink(srcname,distname) |
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50 | end |
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51 | |
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52 | } |
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53 | |
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54 | end |
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55 | def writeFlavor(var_dir,flavors) |
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56 | a = open(prefix+var_dir+"/installed-flavors","w") |
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57 | flavors.each{ |flavor| |
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58 | a.write(flavor+"\n") |
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59 | } |
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60 | end |
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61 | |
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62 | case action |
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63 | when /change/ |
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64 | # ¥Ç¥Õ¥©¥ë¥È flavor ¤ÎÊѹ¹ |
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65 | current_flavor = getCurrentFlavor(var_dir) |
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66 | flavors = removeFlavor(var_dir,current_flavor) |
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67 | flavors.push(flavor+"\n") |
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68 | changeLink(flavor) |
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69 | writeFlavor(flavors) |
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70 | when /temporary/ |
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71 | # °ì»þŪ¤Êflavor ¤ÎÊѹ¹ |
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72 | changeLink(flavor) |
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73 | when /reverse/ |
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74 | current_flavor = getCurrentFlavor(var_dir) |
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75 | changeLink(current_flavor) |
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76 | end |
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