зеркало из https://github.com/mozilla/gecko-dev.git
145 строки
4.6 KiB
Bash
Executable File
145 строки
4.6 KiB
Bash
Executable File
#!/bin/sh
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# uncomment the following line on NT (change the path as needed) and move
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# it to the first line of this file.
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#!c:/appls/mksnt/mksnt/sh
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#
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1996-2003
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Mark Smith <MarkCSmithWork@aol.com>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either of the GNU General Public License Version 2 or later (the "GPL"),
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# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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#
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# cvsdl: perform a 'cvs diff' to examine the last change made to a file on the
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# current branch.
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#
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# usage: cvsdl [-n] [-v] [-revs] [cvs-diff-options] [files...]
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# where:
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# "revs" is a number that indicates how many revisions to go back
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# when diffing (default is 1)
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# and "-n" shows the cvs diff command that would be executed without
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# actually executing it.
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# and "-v" enables verbose output.
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#
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# e.g., cvsdl -c mozilla/directory/c-sdk/ldap/Makefile
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# e.g., cvsdl -n mozilla/directory/c-sdk/ldap/Makefile
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# e.g., cvsdl -3 mozilla/directory/c-sdk/ldap/Makefile
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#
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# if no files are listed, all in the current directory are diff'd.
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# cvs-diff-options can also be passed in the CVSDLOPTIONS environment variable.
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#
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# Known Bug: the detection of "first revision on a branch" is broken.
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DIFFOPTIONS="$CVSDLOPTIONS"
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REVSBACK=1
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EXECUTE=1
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VERBOSE=0
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while [ $# -ne 0 ]; do
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if [ `expr $1 : '\(.\)'` != "-" ]; then
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break;
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fi
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OPTION=`echo $1 | sed -e 's/^-//'`
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echo $OPTION | grep '^[0-9]*$' > /dev/null 2>&1
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if [ $? -eq 0 ]; then
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REVSBACK=$OPTION
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elif [ $OPTION = "n" ]; then
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EXECUTE=0
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elif [ $OPTION = "v" ]; then
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VERBOSE=1
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else
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if [ -z "$DIFFOPTIONS" ]; then
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DIFFOPTIONS=$1
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else
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DIFFOPTIONS="$DIFFOPTIONS "$1
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fi
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fi
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shift;
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done
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if [ $# -eq 0 ]; then
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FILES=*
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else
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FILES=$*
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fi
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if [ $VERBOSE -ne 0 ]; then
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echo revsback=$REVSBACK
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echo diffoptions=$DIFFOPTIONS
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echo files=$FILES
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fi
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for FN in $FILES; do
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if [ -d "$FN" ]; then
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echo "Skipping directory $FN"
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else
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CURREV=`cvs -n stat $FN | grep 'Working revision' | awk '{print $3}'`
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RC=$?
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if [ "$RC" != 0 ]; then
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exit $RC;
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fi
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if [ "$CURREV" = "No" ]; then
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echo "$FN: No CVS entry"
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continue;
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fi
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LASTDIGITOFCUR=`echo $CURREV | awk -F. '{print ($NF)}'`
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LASTDIGITOFPREV=`echo $CURREV | awk -F. '{print ($NF)-1}'`
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if [ "$LASTDIGITOFCUR" -lt "$REVSBACK" ]; then
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echo "$FN: there are only $LASTDIGITOFCUR revision(s) on this branch. Nothing to diff."
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continue;
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elif [ "$LASTDIGITOFCUR" -eq "$REVSBACK" ]; then
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PREVREV=`echo $CURREV | sed -e 's/\.[0-9]*\.[0-9]*$//'`
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echo "$FN: diffing with branch point..."
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elif [ "$LASTDIGITOFPREV" -eq 0 ]; then
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PREVREV=`echo $CURREV | sed -e 's/\.[0-9]*\.[0-9]*$//'`
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if [ -z "$PREVREV" ]; then
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echo "$FN: the current revision is the first one. Nothing to diff."
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continue;
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fi
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# echo "$FN: the current revision is the first one on this branch..."
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# diff PREVREV and CURREV
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else
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PREVREV=`echo $CURREV | awk -F. '{for (i=1; i < NF; ++i) \
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printf( "%s.", $i ); print ($NF)-revsback}' revsback=$REVSBACK`
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fi
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echo cvs -n diff $DIFFOPTIONS -r $PREVREV -r $CURREV $FN
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if [ $EXECUTE -ne 0 ]; then
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cvs -n diff $DIFFOPTIONS -r $PREVREV -r $CURREV $FN
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fi
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fi
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done
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