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Diffstat (limited to '')
| -rwxr-xr-x | apps/rellink | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/apps/rellink b/apps/rellink new file mode 100755 index 0000000..2981f3f --- /dev/null +++ b/apps/rellink @@ -0,0 +1,30 @@ +#!/bin/sh + +set -e + +test $# = 2 || test $# = 3 + +target="$1" +link="$2" +destdir="$3" + +test $(printf '%s\n' "$target" "$link" | grep '^/' | wc -l) = 2 + +T="$target" +L="$link" +while test $(printf '%s\n' "$T" "$L" | grep / | wc -l) = 2; do + Td="$(printf '%s\n' "$T" | cut -d / -f 1)" + Ld="$(printf '%s\n' "$L" | cut -d / -f 1)" + if test ! "$Td" = "$Ld"; then + break + fi + T="$(printf '%s\n' "$T" | cut -d / -f 2-)" + L="$(printf '%s\n' "$L" | cut -d / -f 2-)" +done +while printf '%s\n' "$L" | grep / > /dev/null; do + T="$(printf '../%s\n' "$T")" + L="$(printf '%s\n' "$L" | cut -d / -f 2-)" +done +target="$T" + +ln -s -- "$target" "$destdir$link" |