git/git-update-timestamp

   1 #!/bin/sh -e
   2
   3 OS=${OS:-`uname`}
   4 rev="${1-HEAD}"
   5 pattern="${2-*}"
   6
   7 #echo "git-update-timestamp: '$OS', '$rev', '$pattern'"
   8
   9 get_file_rev() {
  10     git rev-list "$rev" "$1" | head -n 1
  11 }
  12
  13 report() {
  14     echo "$2 $1"
  15 }
  16
  17 if   [ "$OS" = 'Linux' ]
  18 then
  19     update_file_timestamp() {
  20         file_time=`git show --pretty=format:%ai --abbrev-commit "$(get_file_rev "$1")" | head -n 1`
  21         touch -d "$file_time" "$1"
  22         report "$1" "$file_time"
  23     }
  24 elif [ "$OS" = 'FreeBSD' ]
  25 then
  26     update_file_timestamp() {
  27         file_time=`date -r "$(git show --pretty=format:%at --abbrev-commit "$(get_file_rev "$1")" | head -n 1)" '+%Y%m%d%H%M.%S'`
  28         touch -h -t "$file_time" "$1"
  29         report "$1" "$file_time"
  30     }
  31 elif [ "$OS" = 'Darwin' ]
  32 then
  33     update_file_timestamp() {
  34         file_time=`date -j -f '%s' "$(git show --pretty=format:%at --abbrev-commit "$(get_file_rev "$1")" | head -n 1)" '+%Y%m%d%H%M.%S'`
  35         #stat -t '%Y%m%d%H%M.%S' -f "stat1: %Sa %Sm %Sc %i %N" "$1"
  36         touch -t "$file_time" "$1"
  37         report "$1" "$file_time"
  38         #stat -t '%Y%m%d%H%M.%S' -f "stat2: %Sa %Sm %Sc %i %N" "$1"
  39     }
  40 else
  41     echo "error: timestamp fix not implemented for $OS" >&2
  42     exit 1
  43 fi
  44
  45 for file in `git ls-files "$pattern"`
  46 do
  47     update_file_timestamp "$file"
  48 done
  49