90 lines
1.8 KiB
Bash
90 lines
1.8 KiB
Bash
#!/bin/sh
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# A minimal replacement for 'install' that supports installing symbolic links.
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# Only a limited number of options are supported:
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# -d dir Create a directory
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# -m mode Sets a file's mode when installing
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# If these commands aren't portable, we'll need some "if (arch)" type stuff
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SYMLINK="ln -s"
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MKDIR="mkdir -p"
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RM="rm -f"
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MODE=""
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if [ "$1" = "-d" ] ; then
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# make a directory path
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$MKDIR "$2"
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exit 0
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fi
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if [ "$1" = "-m" ] ; then
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# set file mode
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MODE=$2
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shift 2
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fi
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# install file(s) into destination
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if [ $# -ge 2 ] ; then
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# Last cmd line arg is the dest dir
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for FILE in $@ ; do
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DEST="$FILE"
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done
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# Loop over args, moving them to DEST directory
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I=1
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for FILE in $@ ; do
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if [ $I = $# ] ; then
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# stop, don't want to install $DEST into $DEST
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exit 0
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fi
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# determine file's type
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if [ -h "$FILE" ] ; then
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#echo $FILE is a symlink
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# Unfortunately, cp -d isn't universal so we have to
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# use a work-around.
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# Use ls -l to find the target that the link points to
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LL=`ls -l "$FILE"`
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for L in $LL ; do
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TARGET=$L
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done
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#echo $FILE is a symlink pointing to $TARGET
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FILE=`basename "$FILE"`
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# Go to $DEST and make the link
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PWDSAVE="$PWD"
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cd "$DEST" # pushd
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$RM "$FILE"
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$SYMLINK "$TARGET" "$FILE"
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cd "$PWDSAVE" # popd
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elif [ -f "$FILE" ] ; then
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#echo "$FILE" is a regular file
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$RM "$DEST/`basename $FILE`"
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cp "$FILE" "$DEST"
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if [ $MODE ] ; then
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FILE=`basename "$FILE"`
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chmod $MODE "$DEST/$FILE"
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fi
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else
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echo "Unknown type of argument: " "$FILE"
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exit 1
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fi
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I=`expr $I + 1`
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done
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exit 0
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fi
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# If we get here, we didn't find anything to do
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echo "Usage:"
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echo " install -d dir Create named directory"
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echo " install [-m mode] file [...] dest Install files in destination"
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