pkgs/stdenv/freebsd/unpack-source.sh

   1 unpackCmdHooks+=(_FreeBSDUnpackSource)
   2
   3 _FreeBSDUnpackSource() {
   4     local fn="$1"
   5     local destination
   6
   7     if [ -d "$fn" ]; then
   8
   9         destination="$(stripHash "$fn")"
  10
  11         if [ -e "$destination" ]; then
  12             echo "Cannot copy $fn to $destination: destination already exists!"
  13             echo "Did you specify two \"srcs\" with the same \"name\"?"
  14             return 1
  15         fi
  16
  17         # We can't preserve hardlinks because they may have been
  18         # introduced by store optimization, which might break things
  19         # in the build.
  20         bsdcp -a -- "$fn" "$destination"
  21         chmod -R +w "$destination"
  22
  23     else
  24
  25         case "$fn" in
  26             *.tar.xz | *.tar.lzma | *.txz)
  27                 # Don't rely on tar knowing about .xz.
  28                 xz -d < "$fn" | tar xf - --warning=no-timestamp
  29                 ;;
  30             *.tar | *.tar.* | *.tgz | *.tbz2 | *.tbz)
  31                 # GNU tar can automatically select the decompression method
  32                 # (info "(tar) gzip").
  33                 tar xf "$fn" --warning=no-timestamp
  34                 ;;
  35             *)
  36                 return 1
  37                 ;;
  38         esac
  39
  40     fi
  41 }