src/vfs/extfs/helpers/changesetfs

   1 #!/bin/sh
   2
   3 LANG=C
   4 export LANG
   5 LC_TIME=C
   6 export LC_TIME
   7
   8 # --- GIT -----------------------------------------------------------------------
   9
  10 found_git_dir()
  11 {
  12     work_dir=$1
  13     while [ -n "$work_dir" -a "$work_dir" != "/" ]; do
  14         [ -d "${work_dir}/.git" ] && {
  15             echo "${work_dir}/.git/"
  16             return
  17         }
  18         work_dir=`dirname "$work_dir"`
  19     done
  20     echo ''
  21 }
  22
  23 changesetfs_list_git()
  24 {
  25     WORK_DIR=$1; shift
  26     fname=$1; shift
  27     USER=$1; shift
  28     DATE=$1; shift
  29
  30     GIT_DIR=`found_git_dir "$WORK_DIR"`
  31     [ -z "$GIT_DIR" ] && GIT_DIR=$WORK_DIR
  32     curr_year=`date +"%Y"`
  33
  34     git --git-dir="$GIT_DIR" log --abbrev=7 --pretty="format:%at %h %an" -- "$fname" | while read TIMESTAMP chset author
  35     do
  36         year=`date -d @"$TIMESTAMP" +"%Y"`
  37         [ "$year" = "$curr_year" ] && {
  38             DATE=`date -d @"$TIMESTAMP" +"%b %d %H:%M"`
  39         } || {
  40             DATE=`date -d @"$TIMESTAMP" +"%b %d %Y"`
  41         }
  42         NAME="$chset $author"
  43         echo "-rw-rw-rw-   1 $USER    0 0 $DATE  $NAME `basename $fname`"
  44     done
  45 }
  46
  47 changesetfs_copyout_git()
  48 {
  49     WORK_DIR=$1; shift
  50     fname=$1; shift
  51     orig_fname=$1;shift
  52     output_fname=$1;shift
  53
  54     chset=`echo "$orig_fname"| cut -f 1 -d " "`
  55
  56     GIT_DIR=`found_git_dir "$WORK_DIR"`
  57     [ -z "$GIT_DIR" ] && GIT_DIR=$WORK_DIR
  58
  59     filecommit=`git  --git-dir="$GIT_DIR" show --raw --pretty=tformat:%h "$chset" -- "$fname"| \
  60         tail -1 | \
  61         sed 's@^::[0-9]*\s*[0-9]*\s*[0-9]*\s*@@' | \
  62         sed 's@^:[0-9]*\s*[0-9]*\s*@@' | \
  63         cut -d'.' -f 1`
  64     git  --git-dir="$GIT_DIR" show "$filecommit" > "$output_fname"
  65 }
  66
  67 # --- COMMON --------------------------------------------------------------------
  68
  69 changesetfs_list()
  70 {
  71     VCS_type=$1; shift
  72     WORK_DIR=$1; shift
  73     fname=$1; shift
  74
  75     DATE=`date +"%b %d %H:%M"`
  76     USER=`whoami`
  77
  78     case "$VCS_type" in
  79         git) changesetfs_list_git "$WORK_DIR" "$fname" "$USER" "$DATE" ;;
  80     esac
  81 }
  82
  83 changesetfs_copyout()
  84 {
  85     VCS_type=$1; shift
  86     WORK_DIR=$1; shift
  87     fname=$1; shift
  88
  89     case "$VCS_type" in
  90         git) changesetfs_copyout_git "$WORK_DIR" "$fname" "$@" ;;
  91     esac
  92
  93 }
  94
  95 # --- MAIN ----------------------------------------------------------------------
  96
  97 command=$1; shift
  98 tmp_file=$1; shift
  99
 100 WORK_DIR=`head -n1 $tmp_file`
 101 fname=`tail -2 $tmp_file | head -n1`
 102 VCS_type=`tail -1 $tmp_file`
 103
 104 case "$command" in
 105   list) changesetfs_list "$VCS_type" "$WORK_DIR" "$fname" ;;
 106   copyout) changesetfs_copyout "$VCS_type" "$WORK_DIR" "$fname" "$@" ;;
 107   *) exit 1 ;;
 108 esac
 109 exit 0