diff options
Diffstat (limited to 'rellns-sh')
| -rwxr-xr-x | rellns-sh | 49 |
1 files changed, 30 insertions, 19 deletions
@@ -18,7 +18,13 @@ # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. if test $# -ne 2; then - echo "Usage: rellns SOURCE DEST" + echo "Usage: rellns SOURCE DEST" >&2 + exit 1 +fi + +# We only handle the case where SOURCE is the name of an existing file +if test ! -f $1; then + echo "rellns: $1 must name an existing file" >&2 exit 1 fi @@ -38,26 +44,31 @@ case $1 in ?*) from=`cd $from && pwd | sed 's%^/%%'` ;; *) from=`pwd | sed 's%^/%%'` ;; esac + ;; +*) + to=$1 - while test -n "$to" && test -n "$from"; do - preto=`echo $to | sed 's%^\([^/]*\)/.*%\1%'` - prefrom=`echo $from | sed 's%^\([^/]*\)/.*%\1%'` + if test -d $2; then + from=`echo $2 | sed 's%/*$%%'` + else + from=`echo $2 | sed 's%/*[^/]*$%%'` + fi + ;; +esac - test "$preto" != "$prefrom" && break +while test -n "$to" && test -n "$from"; do + preto=`echo $to | sed 's%^\([^/]*\)/.*%\1%'` + prefrom=`echo $from | sed 's%^\([^/]*\)/.*%\1%'` - to=`echo $to | sed 's%^[^/]*/*\(.*\)$%\1%'` - from=`echo $from | sed 's%^[^/]*/*\(.*\)$%\1%'` - done + test "$preto" != "$prefrom" && break - while test -n "$from"; do - rfrom="../$rfrom" - from=`echo $from | sed 's%^[^/]*/*%%'` - done + to=`echo $to | sed 's%^[^/]*/*\(.*\)$%\1%'` + from=`echo $from | sed 's%^[^/]*/*\(.*\)$%\1%'` +done - ln -s $rfrom$to $2 - ;; -*) - # Nothing to do, the path is already relative. - ln -s $1 $2 - ;; -esac +while test -n "$from"; do + rfrom="../$rfrom" + from=`echo $from | sed 's%^[^/]*/*%%'` +done + +ln -s $rfrom$to $2 |