8f88970627
Pkgvi fix: deal with pathnames like `dir-with.a-dot/file-without-dot' for which the temporary file pathname hold in $tmp ended up as `dir-with.a-dot/file-without-dot.$$.a-dot/file-without-dot'.
108 lines
2.8 KiB
Bash
Executable file
108 lines
2.8 KiB
Bash
Executable file
#!/bin/sh
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# $NetBSD: pkgvi,v 1.9 2003/08/23 19:40:19 seb Exp $
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#
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# Copyright (c) 2001 Tomasz Luchowski. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by Tomasz Luchowski for
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# the NetBSD Project
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# 4. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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if [ "$PKGEDITOR" != "" ]; then
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editor="$PKGEDITOR"
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elif [ "$EDITOR" != "" ]; then
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editor="$EDITOR"
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else
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editor="vi"
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fi
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progname=`basename $0`
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if [ $# -eq 0 ]
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then
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echo Usage: $progname file >&2
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exit 1
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fi
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file="$1"
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cmd=""
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case x"$file" in
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x+*) cmd="$1"; shift ; file="$1" ;;
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esac
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if [ ! -f "$file" ]
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then
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echo "$progname: $file: No such file"
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exit 2
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fi
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if [ -f $file.orig ]
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then
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$editor $cmd $file
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echo "$progname: Backup already exists. For a diff type:"
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echo "pkgdiff $file"
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exit 0
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fi
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bfile=`basename $file`
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dfile=`dirname $file`
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ext=`echo $bfile | awk -F. '{ print $NF }'`
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if [ "$bfile" != "$ext" ]; then
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tmp="$dfile/$bfile.$$.$ext"
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else
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tmp="$file.$$"
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fi
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cp "$file" "$tmp"
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if [ $? -ne 0 ]; then
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echo "$progname: unable to create temporary file"
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exit 1
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fi
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$editor $cmd "$tmp"
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if cmp "$file" "$tmp" >/dev/null 2>&1
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then
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echo "$progname: File unchanged."
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else
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mv "$file" "$file.orig"
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mv "$tmp" "$file"
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echo "$progname: File was modified. For a diff, type:"
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echo "pkgdiff $file"
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fi
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if [ -f "$tmp" ]
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then
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rm "$tmp"
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fi
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if [ -f "$tmp~" ]
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then
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rm "$tmp~"
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fi
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