mirror of
https://github.com/cc65/cc65.git
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83 lines
2.0 KiB
Plaintext
83 lines
2.0 KiB
Plaintext
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#!/bin/sh
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#
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# install-sh -- install a program, script, or data-file.
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#
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# This isn't a full install-script; it does only what is needed by the cc65
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# package. It can install only one file at a time.
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# Don't use ":-" because 4.3BSD and earlier shells don't like it.
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# Put in absolute paths if you don't have these commands in your PATH;
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# or, set these upper-case variables in your environment.
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cpprog="${CPPROG-cp}"
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mvprog="${MVPROG-mv}"
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rmprog="${RMPROG-rm}"
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stripprog="${STRIPPROG-strip}"
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chmodprog="${CHMODPROG-chmod}"
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instcmd="$cpprog"
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stripcmd=""
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chmodcmd=""
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rmcmd="$rmprog -f"
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mvcmd="$mvprog"
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src=""
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dst=""
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while [ x"$1" != x ]; do
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case $1 in
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-c) ;;
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-m) chmodcmd="$chmodprog $2"
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shift
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;;
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-s) stripcmd="$stripprog"
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;;
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# The first name is the source; the last name is the destination.
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*) if [ x"$src" = x ]
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then src="$1"
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else dst="$1"
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fi
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esac
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shift
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done
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[ x"$src" != x ] || { echo "$0: no input file was named." >&2; exit 1;}
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[ x"$dst" != x ] || { echo "$0: no destination was named." >&2; exit 1;}
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[ -e "$src" ] || { echo "$0: \"$src\" doesn't exist." >&2; exit 1;}
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# Make a temporary file-name in the proper directory.
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dsttmp="$dst/#inst.$$#"
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# Append the input filename to the destination directory.
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dst="$dst"/`basename "$src"`
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# Trap to remove the temporary file if it isn't renamed.
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trap 'status=$?; $rmcmd "$dsttmp" && exit $status' 0
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trap '(exit $?); exit' 1 2 3 13 15
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# Copy the source file to the temporary name.
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$instcmd "$src" "$dsttmp" &&
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if [ x"$stripcmd" != x ]
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then $stripcmd "$dsttmp"
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fi &&
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if [ x"$chmodcmd" != x ]
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then $chmodcmd "$dsttmp"
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fi &&
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# Remove an old file (only if the temporary file was created successfully).
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if [ -f "$dst" ]
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then $rmcmd "$dst" 2>/dev/null ||
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{ echo "$0: can't remove \"$dst\"" >&2
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(exit 1); exit
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}
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fi &&
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# Rename the temporary file to the real name.
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$mvcmd "$dsttmp" "$dst" &&
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# The final little trick to pass "correctly" the exit status to exit traps.
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{ (exit 0); exit;}
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