my-repair-corrupted.sh

   1 #!/bin/sh
   2
   3 loose_path () {
   4         echo $(git rev-parse --git-dir)/objects/$(echo $1 |
   5                                 sed "s/^../&\//")
   6 }
   7
   8 repair () {
   9         remote=$(git config remote.origin.url)
  10         host=${remote%%:*}
  11         path=${remote#*:}
  12
  13         echo "getting $* from host $host path $path"
  14
  15         for object
  16         do
  17                 rm -f $(loose_path $object)
  18                 echo $object
  19         done |
  20         ssh $host "cd $path && git pack-objects --stdout" |
  21         git index-pack --stdin --fix-thin
  22 }
  23
  24 autorepair () {
  25         objects=$(git fsck 2>&1 |
  26                 sed -n "s/^.*\([a-f0-9]\{40\}\).*$/\1/p" |
  27                 sort |
  28                 uniq)
  29         test -z "$objects" && {
  30                 echo "No corrupt objects found"
  31                 exit 1
  32         }
  33         repair $objects
  34 }
  35
  36 case $# in
  37 0)
  38         while true
  39         do
  40                 autorepair
  41         done
  42         ;;
  43 *)
  44         case "$*" in
  45         --delete)
  46                 while true
  47                 do
  48                         corrupt=$(git fsck 2>&1 |
  49                                 sed -n "s/^fatal: object \(.*\) is corrupted/\1/p" |
  50                                 sort | uniq)
  51                         test -z "$corrupt" && break
  52                         for object in $corrupt
  53                         do
  54                                 echo removing $object
  55                                 rm -f $(loose_path $object)
  56                         done
  57                 done
  58                 ;;
  59         *)
  60                 repair $*
  61                 ;;
  62         esac
  63         ;;
  64 esac