src/vfs/extfs/helpers/changesetfs

   1 #!/bin/sh
   2
   3 LANG=C
   4 export LANG
   5
   6 # --- GIT -----------------------------------------------------------------------
   7
   8 found_git_dir()
   9 {
  10     work_dir=$1
  11     while [ -n "$work_dir" -a "$work_dir" != "/" ]; do
  12         [ -d "${work_dir}/.git" ] && {
  13             echo "${work_dir}/.git/"
  14             return
  15         }
  16         work_dir=`dirname "$work_dir"`
  17     done
  18     echo ''
  19 }
  20
  21 changesetfs_list_git()
  22 {
  23     WORK_DIR=$1; shift
  24     fname=$1; shift
  25     USER=$1; shift
  26     DATE=$1; shift
  27
  28     GIT_DIR=`found_git_dir "$WORK_DIR"`
  29     [ -z "$GIT_DIR" ] && GIT_DIR=$WORK_DIR
  30     curr_year=`date +"%Y"`
  31
  32     git --git-dir="$GIT_DIR" log --abbrev=7 --pretty="format:%at %h %an" -- "$fname" | while read TIMESTAMP chset author
  33     do
  34         year=`date -d @"$TIMESTAMP" +"%Y"`
  35         [ "$year" = "$curr_year" ] && {
  36             DATE=`date -d @"$TIMESTAMP" +"%b %d %H:%M"`
  37         } || {
  38             DATE=`date -d @"$TIMESTAMP" +"%b %d %Y"`
  39         }
  40         NAME="$chset $author"
  41         echo "-rw-rw-rw-   1 $USER    0 0 $DATE  $NAME `basename $fname`"
  42     done
  43 }
  44
  45 changesetfs_copyout_git()
  46 {
  47     WORK_DIR=$1; shift
  48     fname=$1; shift
  49     orig_fname=$1;shift
  50     output_fname=$1;shift
  51
  52     chset=`echo "$orig_fname"| cut -f 1 -d " "`
  53
  54     GIT_DIR=`found_git_dir "$WORK_DIR"`
  55     [ -z "$GIT_DIR" ] && GIT_DIR=$WORK_DIR
  56
  57     filecommit=`git  --git-dir="$GIT_DIR" show --raw --pretty=tformat:%h "$chset" -- "$fname"| \
  58         tail -n1 | \
  59         sed 's@^::[0-9]*\s*[0-9]*\s*[0-9]*\s*@@' | \
  60         sed 's@^:[0-9]*\s*[0-9]*\s*@@' | \
  61         cut -d'.' -f 1`
  62     git  --git-dir="$GIT_DIR" show "$filecommit" > "$output_fname"
  63 }
  64
  65 # --- COMMON --------------------------------------------------------------------
  66
  67 changesetfs_list()
  68 {
  69     VCS_type=$1; shift
  70     WORK_DIR=$1; shift
  71     fname=$1; shift
  72
  73     DATE=`date +"%b %d %H:%M"`
  74     USER=`whoami`
  75
  76     case "$VCS_type" in
  77         git) changesetfs_list_git "$WORK_DIR" "$fname" "$USER" "$DATE" ;;
  78     esac
  79 }
  80
  81 changesetfs_copyout()
  82 {
  83     VCS_type=$1; shift
  84     WORK_DIR=$1; shift
  85     fname=$1; shift
  86
  87     case "$VCS_type" in
  88         git) changesetfs_copyout_git "$WORK_DIR" "$fname" "$@" ;;
  89     esac
  90
  91 }
  92
  93 # --- MAIN ----------------------------------------------------------------------
  94
  95 command=$1; shift
  96 tmp_file=$1; shift
  97
  98 WORK_DIR=`head -n1 $tmp_file`
  99 fname=`tail -n2 $tmp_file | head -n1`
 100 VCS_type=`tail -n1 $tmp_file`
 101
 102 case "$command" in
 103   list) changesetfs_list "$VCS_type" "$WORK_DIR" "$fname" ;;
 104   copyout) changesetfs_copyout "$VCS_type" "$WORK_DIR" "$fname" "$@" ;;
 105   *) exit 1 ;;
 106 esac
 107 exit 0