export-to-git

   1 #!/bin/bash
   2 #
   3 # One-shot git importer for Netwalk.
   4 #
   5 # Usage: Extract all tarballs up to 0.4.10 inclusive in some temporary
   6 # directory, and then run:
   7 #  $ export-to-git > /tmp/some_file
   8 # Then, in a new subdirectory, run:
   9 #  $ git init && git fast-import --date-format=rfc2822 < /tmp/some_file
  10 # to create the repo
  11
  12 dumpfile() {
  13   echo -n "M 100644 inline "
  14   if [[ $1 == "." ]]; then
  15     echo $2
  16   else
  17     echo $1/$2
  18   fi
  19   echo "data "$(stat -c%s $2)
  20   cat $2
  21   echo
  22 }
  23
  24 docurdir()
  25 {
  26   for F in *; do
  27     if [[ -f $F ]]; then
  28       dumpfile $1 $F
  29     elif [[ -d $F ]]; then
  30       cd $F
  31       if [[ $1 == "." ]]; then
  32         docurdir $F
  33       else
  34         docurdir $1/$F
  35       fi
  36       cd ..
  37     else
  38       echo WARNING! NO IDEA WHAT $F IS
  39     fi
  40   done
  41 }
  42
  43 revnews()
  44 {
  45   TMPFILE=$(mktemp)
  46
  47   while [ 1 ]; do
  48     IFS=""
  49     read LINE
  50     if [ $? != 0 ]; then
  51       break
  52     fi
  53     echo $LINE >> $TMPFILE
  54     if [[ $LINE =~ ^[A-Z].*200.$ ]]; then
  55       tac $TMPFILE
  56       rm $TMPFILE
  57     fi
  58   done
  59   if [ -f $TMPFILE ]; then
  60     rm $TMPFILE
  61   fi
  62 }
  63
  64 cp netwalk-0.3.2/HISTORY bighistory
  65 echo >> bighistory
  66 tac netwalk-0.4.10/NEWS | revnews >> bighistory
  67
  68 LAST=""
  69 # Version numbers don't sort well
  70 LIST="$(ls -d netwalk* | grep -v netwalk-0.4.10) netwalk-0.4.10"
  71 for DIR in $LIST; do
  72   cd $DIR
  73   if [[ -f HISTORY ]]; then
  74     HISTFILE="HISTORY"
  75     DATE=$(grep '^[A-Z]' $HISTFILE | tail -1)
  76   else
  77     HISTFILE="NEWS"
  78     DATE=$(grep '^[A-Z]' $HISTFILE | head -1)
  79   fi
  80   echo "commit refs/heads/master
  81 committer "Ben Lynn" <blynn@cs.stanford.edu> $DATE
  82 data <<EOT"
  83   if [[ $LAST == "" ]]; then
  84     cat $HISTFILE
  85   else
  86     sed -n '/'$LAST'\.tgz/,/'$DIR'\.tgz/p' < ../bighistory | sed -n '/^$/,$p' | sed -n '/^[A-Z]/,$p'
  87   fi
  88   echo "EOT
  89 "
  90   echo "deleteall"
  91   docurdir .
  92
  93   LAST=$DIR
  94   cd ..
  95 done