external/gpl2/lvm2/dist/scripts/last_cvs_update.sh

   1 #!/bin/sh
   2 #$Header: /pub/NetBSD/misc/repositories/cvsroot/src/external/gpl2/lvm2/dist/scripts/last_cvs_update.sh,v 1.1.1.1 2008/12/22 00:18:57 haad Exp $
   3 ################################################################################
   4 ##
   5 ##    Copyright 2001 Sistina Software, Inc.
   6 ##
   7 ##    This is free software released under the GNU General Public License.
   8 ##    There is no warranty for this software.  See the file COPYING for
   9 ##    details.
  10 ##
  11 ##    See the file CONTRIBUTORS for a list of contributors.
  12 ##
  13 ##    This file is maintained by:
  14 ##      AJ Lewis <lewis@sistina.com>
  15 ##
  16 ##    File name: last_cvs_update.sh
  17 ##
  18 ##    Description: displays the last file updated by CVS commands and the date
  19 ##                 it was updated.  May be given a relative or absolute path.
  20 ##                 Based on this information, you should be able to do a
  21 ##                 cvs co -D $date GFS and get the same version of the source
  22 ##                 tree as this tool was run on.
  23 ##
  24 ##                 Will also give you the CVS tag the source tree is based off
  25 ##                 off when appropriate
  26 ##
  27 ##                 Output format:
  28 ##                 [Tag:  $TAG]
  29 ##                 The last file updated by CVS was:
  30 ##                 $path/$file
  31 ##                 on
  32 ##                 $date
  33 ##
  34 ################################################################################
  35
  36 if [[ -z $1 ]];
  37  then path=.;
  38 else
  39  if [[ $1 == "-h" ]];
  40    then echo "usage: $0 [ -h | path ]"
  41         exit 0;
  42  else
  43    if [[ -d $1 ]]
  44      then path=$1;
  45    else
  46      echo "usage: $0 [ -h | path ]"
  47      exit 0;
  48    fi
  49  fi
  50 fi
  51
  52 # grab the tag from the path passed in
  53 if [[ -f $path/CVS/Tag ]];
  54   then echo "Tag: " `cat $path/CVS/Tag | sed -e 's/^[NT]//'`
  55 fi
  56
  57 awk '
  58 BEGIN {
  59   FS = "/"
  60 }
  61 {
  62     # find the path for the Entries file
  63     path = FILENAME
  64     sub(/^\.\//, "", path)
  65
  66     # remove the CVS part of it
  67     sub(/CVS\/Entries/, "", path)
  68
  69     # add the path the the filename that was modified, and put the date it was
  70     # modified in as well
  71     print path $2 " " $4
  72
  73 }' `find $path -name "Entries" -printf "%h/%f "` | awk '
  74 # converts string name of month the a numeral
  75 function cvt_month(month) {
  76   if(month == "Jan")
  77     return 0
  78   if(month == "Feb")
  79     return 1
  80   if(month == "Mar")
  81     return 2
  82   if(month == "Apr")
  83     return 3
  84   if(month == "May")
  85     return 4
  86   if(month == "Jun")
  87     return 5
  88   if(month == "Jul")
  89     return 6
  90   if(month == "Aug")
  91     return 7
  92   if(month == "Sep")
  93     return 8
  94   if(month == "Oct")
  95     return 9
  96   if(month == "Nov")
  97     return 10
  98   if(month == "Dec")
  99     return 11
 100   return -1
 101 }
 102 BEGIN {
 103   FS = " "
 104   latest=""
 105   maxyear = 0
 106   maxdate = 0
 107   maxmonth = "Jan"
 108   maxtime = "00:00:00"
 109 }
 110 {
 111    # check year first
 112    if (maxyear < $6) {
 113       date = $2 " " $3 " " $4 " " $5 " " $6
 114       file = $1
 115       maxyear = $6
 116       maxmonth = $3
 117       maxdate = $4
 118       maxtime = $5
 119    }
 120    else {
 121       if (maxyear == $6) {
 122         # then month if year is the same
 123         if (cvt_month(maxmonth) < cvt_month($3)) {
 124           date = $2 " " $3 " " $4 " " $5 " " $6
 125           file = $1
 126           maxmonth = $3
 127           maxdate = $4
 128           maxtime = $5
 129         }
 130         else {
 131           if (cvt_month(maxmonth) == cvt_month($3)) {
 132             #then date if month is the same
 133             if (maxdate < $4) {
 134               date = $2 " " $3 " " $4 " " $5 " " $6
 135               file = $1
 136               maxdate = $4
 137               maxtime = $5
 138             }
 139             else {
 140               if (maxdate == $4) {
 141                 # then time if date is the same
 142                 if (maxtime < $5) {
 143                   date = $2 " " $3 " " $4 " " $5 " " $6
 144                   file = $1
 145                   maxtime = $5
 146                 }
 147               }
 148             }
 149           }
 150         }
 151       }
 152    }
 153 }
 154
 155 END {
 156    # strip leading "./" from filename
 157    sub(/^\.\//, "", file)
 158    print "The last file updated by CVS was:"
 159    print file
 160    print "on"
 161    print date " GMT"
 162 }'
 163