#!/bin/sh
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#
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# install-symlink source destination destdir
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#
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SYMLINKS=symlinks
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LN_S="@LN_S@"
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RM="@RM@"
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FORCE_RELATIVE=NO
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FORCE_ABSOLUTE=NO
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while echo $1 | grep -q -- ^- ;
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do
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case $1 in
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--relative)
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FORCE_RELATIVE=YES
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;;
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--absolute)
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FORCE_ABSOLUTE=YES
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;;
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--debian)
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FORCE_ABSOLUTE=NO
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FORCE_RELATIVE=NO
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;;
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--symlinks=*)
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SYMLINKS=$(echo $1 | sed -e 's/--symlinks=//')
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;;
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*)
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echo "Unknown option $1"
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exit 1
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;;
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esac
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shift;
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done
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FIX_SYMLINK="$SYMLINKS -c"
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SRC="$1"
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DEST="$2"
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DESTDIR="$3"
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if ! echo $SRC | grep -q ^/ ; then
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echo $SRC: Source pathname must be absolute
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exit 1
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fi
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if ! echo $DEST | grep -q ^/ ; then
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echo $DEST: Destination pathname must be absolute
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exit 1
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fi
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if ! test -e "$DESTDIR$SRC" ; then
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echo $DESTDIR$SRC: file or directory does not exist
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exit 1
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fi
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$RM -f "$DESTDIR$DEST"
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if test "$LN_S" != "ln -s" ; then
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$LN_S "$DESTDIR$SRC" "$DESTDIR$DEST"
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exit 0
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fi
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if test $(dirname "$SRC") = $(dirname "$DEST") ; then
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$LN_S "$(basename "$SRC")" "$DESTDIR$DEST"
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exit 0
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fi
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TOP_SRC=$(echo $SRC | awk -F/ '{print $2}')
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TOP_DEST=$(echo $DEST | awk -F/ '{print $2}')
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if test $FORCE_RELATIVE = YES ; then
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TOP_SRC=FORCE
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TOP_DEST=FORCE
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fi
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if test $FORCE_ABSOLUTE = YES ; then
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TOP_SRC=FORCE
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TOP_DEST=FORCE_ABSOLUTE
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fi
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if test $TOP_SRC != $TOP_DEST ; then
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$LN_S "$SRC" "$DESTDIR$DEST"
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else
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$LN_S "$DESTDIR$SRC" "$DESTDIR$DEST"
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$FIX_SYMLINK "$DESTDIR$DEST"
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fi
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