# Addons for your `~/.bashrc`
# 
# Author: Stefan Klinger
#         Database & Information Systems (DBIS) Group
#         Uni Konstanz
# License: GNU Affero General Public License
#          file LICENSE, or <http://www.gnu.org/licenses/agpl-3.0.html>


# Mark the files given as arguments as being UTF-8 encoded plain text.
# Useful if SVN mistakenly added a file as binary, or assuming the
# wrong character encodeing.  Setting the EOL-convention isgenerallt
# useful for such files.

function svn-plaintext {
    svn ps svn:mime-type 'text/plain;charset=UTF-8' "$@";
    svn ps svn:eol-style native "$@";
}

# Similarly, mark files as protected, or as executable:

function svn-protect {
    svn ps svn:needs-lock on "$@";
}

function svn-executable {
    svn ps svn:executable on "$@";
}



# Tell SVN to ignore a whole bunch of files, maybe even spread across
# different directories.  If you quote globbing, the glob will be
# expanded by SVN when checking whether a file should be ignored.

function ask_yN {
    local answer='';
    read -n 1 -s -p "$* [yN]" answer;
    if test "${answer}" = y; then
        echo yes;
        return 0;
    fi;
    echo no;
    return 1;
}

function svn-ignore {
    tmp="$(mktemp -d 'svn-ignore.XXXXXX')";

    IFS=$'\n'
    for i in "$@"; do dirname "$i"; done | sort -u > "${tmp}/dirs";
    for d in $(< "${tmp}/dirs"); do
        cat <<EOF
============================================================
Processing directory: $d
---old------------------------------------------------------
EOF
        svn pg svn:ignore "$d" | sort -u | sed -r '/^\s*$/d' | tee "${tmp}/old";
        cat <<EOF
---new------------------------------------------------------
EOF
        for i in "$@"; do
            test "$(dirname "$i")" = "$d" && basename "$i";
        done | sort -u | comm -13 "${tmp}/old" - | tee "${tmp}/new";
        if test -s "${tmp}/new"; then
            ask_yN 'add these?' &&
                cat "${tmp}/old" "${tmp}/new" | sed -r '/^\s*$/d' |
                    svn ps svn:ignore -F - "$d";
        else
            echo 'Nothing to add!';
        fi;
    done;
   
    rm -r "$tmp";
}