projects / OpenSPARC-T2-SAM / blame
| Commit | Line | Data |
|---|---|---|
| 920dae64 AT |
1 | #!/bin/sh |
| 2 | # | |
| 3 | # move-if-changed <file1> <file2> | |
| 4 | # | |
| 5 | # if (file2 != file1) then copy file2 to file1. | |
| 6 | # | |
| 7 | src=$1 | |
| 8 | dest=$2 | |
| 9 | tmp1=$src.tmp | |
| 10 | tmp2=$dest.tmp | |
| 11 | ||
| 12 | RM="/usr/bin/rm -f" | |
| 13 | GREP="/usr/bin/grep" | |
| 14 | SCCS="/usr/ccs/bin/sccs" | |
| 15 | CP="/usr/bin/cp -p" | |
| 16 | TOUCH="/usr/bin/touch" | |
| 17 | CMP="/usr/bin/cmp -s" | |
| 18 | CHMOD="/usr/bin/chmod" | |
| 19 | ||
| 20 | $RM $tmp1 $tmp2 | |
| 21 | $GREP -v '#' $src > $tmp1 | |
| 22 | $GREP -v '#' $dest > $tmp2 | |
| 23 | $TOUCH $tmp1 $tmp2 | |
| 24 | if $CMP $tmp1 $tmp2; then | |
| 25 | /bin/true | |
| 26 | else | |
| 27 | dir=`dirname $src`; | |
| 28 | fname=`basename $src`; | |
| 29 | here=`pwd`; | |
| 30 | cd $dir | |
| 31 | $CHMOD -w $fname | |
| 32 | $RM SCCS/p.$fname | |
| 33 | $SCCS edit $fname > /dev/null | |
| 34 | cd $here | |
| 35 | $CP -f $dest $src | |
| 36 | fi | |
| 37 | $RM $tmp1 $tmp2 $dest | |
| 38 | exit 0 |