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1 #! /bin/sh
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2
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3 # This script accepts any number of file arguments and checks them into RCS.
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4 #
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5 # Arguments which are detectably either RCS masters (with names ending in ,v)
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6 # or Emacs version files (with names of the form foo.~<number>~) are ignored.
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7 # For each file foo, the script looks for Emacs version files related to it.
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8 # These files are checked in as deltas, oldest first, so that the contents of
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9 # the file itself becomes the latest revision in the master.
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10 #
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11 # The first line of each file is used as its description text. The file itself
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12 # is not deleted, as under VC with vc-keep-workfiles at its default of t, but
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13 # all the version files are.
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14 #
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15 # If an argument file is already version-controlled under RCS, any version
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16 # files are added to the list of deltas and deleted, and then the workfile
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17 # is checked in again as the latest version. This is probably not quite
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18 # what was wanted, and is the main reason VC doesn't simply call this to
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19 # do checkins.
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20 #
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21 # This script is intended to be used to convert files with an old-Emacs-style
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22 # version history for use with VC (the Emacs 19 version-control interface),
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23 # which likes to use RCS as its back end. It was written by Paul Eggert
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24 # and revised/documented for use with VC by Eric S. Raymond, Mar 19 1993.
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25
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26 case $# in
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27 0)
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28 echo "rcs-checkin: usage: rcs-checkin file ..."
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29 echo "rcs-checkin: function: checks file.~*~ and file into a new RCS file"
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30 echo "rcs-checkin: function: uses the file's first line for the description"
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31 esac
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32
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33 # expr pattern to extract owner from ls -l output
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34 ls_owner_pattern='[^ ][^ ]* *[^ ][^ ]* *\([^ ][^ ]*\)'
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35
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36 for file
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37 do
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38 # Make it easier to say `rcs-checkin *'
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39 # by ignoring file names that already contain `~', or end in `,v'.
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40 case $file in
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41 *~* | *,v) continue
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42 esac
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43 # Ignore non-files too.
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44 test -f "$file" || continue
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45
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46 # Check that file is readable.
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47 test -r "$file" || exit
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48
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49 # If the RCS file does not already exist,
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50 # initialize it with a description from $file's first line.
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51 rlog -R "$file" >/dev/null 2>&1 ||
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52 rcs -i -q -t-"`sed 1q $file`" "$file" || exit
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53
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54 # Get list of old files.
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55 oldfiles=`
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56 ls $file.~[0-9]*~ 2>/dev/null |
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57 sort -t~ -n +1
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58 `
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59
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60 # Check that they are properly sorted by date.
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61 case $oldfiles in
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62 ?*)
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63 oldfiles_by_date=`ls -rt $file $oldfiles`
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64 test " $oldfiles
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65 $file" = " $oldfiles_by_date" || {
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66 echo >&2 "rcs-checkin: skipping $file, because its mod times are out of order.
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67
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68 Sorted by mod time:
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69 $oldfiles_by_date
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70
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71 Sorted by name:
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72 $oldfiles
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73 $file"
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74 continue
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75 }
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76 esac
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77
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78 echo >&2 rcs-checkin: checking in: $oldfiles $file
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79
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80 # Save $file as $file.~-~ temporarily.
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81 mv "$file" "$file.~-~" || exit
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82
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83 # Rename each old file to $file, and check it in.
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84 for oldfile in $oldfiles
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85 do
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86 mv "$oldfile" "$file" || exit
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87 ls_l=`ls -l "$file"` || exit
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88 owner=-w`expr " $ls_l" : " $ls_owner_pattern"` || owner=
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89 echo "Formerly ${oldfile}" | ci -d -l -q $owner "$file" || exit
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90 done
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91
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92 # Bring $file back from $file.~-~, and check it in.
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93 mv "$file.~-~" "$file" || exit
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94 ls_l=`ls -l "$file"` || exit
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95 owner=-w`expr " $ls_l" : " $ls_owner_pattern"` || owner=
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96 ci -d -q -u $owner -m"entered into RCS" "$file" || exit
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97 done
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98
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