root/src/vfs/extfs/helpers/changesetfs

/*   */

#!/bin/sh
 
LANG=C
export LANG
LC_TIME=C
export LC_TIME
 
# --- GIT -----------------------------------------------------------------------
 
found_git_dir()
{
    work_dir=$1
    while [ -n "$work_dir" -a "$work_dir" != "/" ]; do
        [ -d "${work_dir}/.git" ] && {
            echo "${work_dir}/.git/"
            return
        }
        work_dir=`dirname "$work_dir"`
    done
    echo ''
}
 
changesetfs_list_git()
{
    WORK_DIR=$1; shift
    fname=$1; shift
    USER=$1; shift
    DATE=$1; shift
 
    GIT_DIR=`found_git_dir "$WORK_DIR"`
    [ -z "$GIT_DIR" ] && GIT_DIR=$WORK_DIR
    curr_year=`date +"%Y"`
 
    git --git-dir="$GIT_DIR" log --abbrev=7 --pretty="format:%at %h %an" -- "$fname" | while read TIMESTAMP chset author
    do
        year=`date -d @"$TIMESTAMP" +"%Y"`
        [ "$year" = "$curr_year" ] && {
            DATE=`date -d @"$TIMESTAMP" +"%b %d %H:%M"`
        } || {
            DATE=`date -d @"$TIMESTAMP" +"%b %d %Y"`
        }
        NAME="$chset $author"
        echo "-rw-rw-rw-   1 $USER    0 0 $DATE  $NAME `basename $fname`"
    done
}
 
changesetfs_copyout_git()
{
    WORK_DIR=$1; shift
    fname=$1; shift
    orig_fname=$1;shift
    output_fname=$1;shift
 
    chset=`echo "$orig_fname"| cut -f 1 -d " "`
 
    GIT_DIR=`found_git_dir "$WORK_DIR"`
    [ -z "$GIT_DIR" ] && GIT_DIR=$WORK_DIR
 
    filecommit=`git  --git-dir="$GIT_DIR" show --raw --pretty=tformat:%h "$chset" -- "$fname"| \
        tail -1 | \
        sed 's@^::[0-9]*\s*[0-9]*\s*[0-9]*\s*@@' | \
        sed 's@^:[0-9]*\s*[0-9]*\s*@@' | \
        cut -d'.' -f 1`
    git  --git-dir="$GIT_DIR" show "$filecommit" > "$output_fname"
}
 
# --- COMMON --------------------------------------------------------------------
 
changesetfs_list()
{
    VCS_type=$1; shift
    WORK_DIR=$1; shift
    fname=$1; shift
 
    DATE=`date +"%b %d %H:%M"`
    USER=`whoami`
 
    case "$VCS_type" in
        git) changesetfs_list_git "$WORK_DIR" "$fname" "$USER" "$DATE" ;;
    esac
}
 
changesetfs_copyout()
{
    VCS_type=$1; shift
    WORK_DIR=$1; shift
    fname=$1; shift
 
    case "$VCS_type" in
        git) changesetfs_copyout_git "$WORK_DIR" "$fname" "$@" ;;
    esac
 
}
 
# --- MAIN ----------------------------------------------------------------------
 
command=$1; shift
tmp_file=$1; shift
 
WORK_DIR=`head -n1 $tmp_file`
fname=`tail -2 $tmp_file | head -n1`
VCS_type=`tail -1 $tmp_file`
 
case "$command" in
  list) changesetfs_list "$VCS_type" "$WORK_DIR" "$fname" ;;
  copyout) changesetfs_copyout "$VCS_type" "$WORK_DIR" "$fname" "$@" ;;
  *) exit 1 ;;
esac
exit 0

/*   */