OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [move-if-change] - Blame information for rev 867

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 683 jeremybenn
#!/bin/sh
2
# Like mv $1 $2, but if the files are the same, just delete $1.
3
# Status is zero if successful, nonzero otherwise.
4
 
5
VERSION='2011-01-28 20:09'; # UTC
6
# The definition above must lie within the first 8 lines in order
7
# for the Emacs time-stamp write hook (at end) to update it.
8
# If you change this file with Emacs, please let the write hook
9
# do its job.  Otherwise, update this string manually.
10
 
11
# Copyright (C) 2002-2007, 2009-2011 Free Software Foundation, Inc.
12
 
13
# This program is free software: you can redistribute it and/or modify
14
# it under the terms of the GNU General Public License as published by
15
# the Free Software Foundation, either version 3 of the License, or
16
# (at your option) any later version.
17
 
18
# This program is distributed in the hope that it will be useful,
19
# but WITHOUT ANY WARRANTY; without even the implied warranty of
20
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
# GNU General Public License for more details.
22
 
23
# You should have received a copy of the GNU General Public License
24
# along with this program.  If not, see .
25
 
26
usage="usage: $0 SOURCE DEST"
27
 
28
help="$usage
29
  or:  $0 OPTION
30
If SOURCE is different than DEST, then move it to DEST; else remove SOURCE.
31
 
32
  --help     display this help and exit
33
  --version  output version information and exit
34
 
35
The variable CMPPROG can be used to specify an alternative to \`cmp'.
36
 
37
Report bugs to ."
38
 
39
version=`expr "$VERSION" : '\([^ ]*\)'`
40
version="move-if-change (gnulib) $version
41
Copyright (C) 2011 Free Software Foundation, Inc.
42
License GPLv3+: GNU GPL version 3 or later 
43
This is free software: you are free to change and redistribute it.
44
There is NO WARRANTY, to the extent permitted by law."
45
 
46
cmpprog=${CMPPROG-cmp}
47
 
48
for arg
49
do
50
  case $arg in
51
    --help | --hel | --he | --h)
52
      exec echo "$help" ;;
53
    --version | --versio | --versi | --vers | --ver | --ve | --v)
54
      exec echo "$version" ;;
55
    --)
56
      shift
57
      break ;;
58
    -*)
59
      echo "$0: invalid option: $arg" >&2
60
      exit 1 ;;
61
    *)
62
      break ;;
63
  esac
64
done
65
 
66
test $# -eq 2 || { echo "$0: $usage" >&2; exit 1; }
67
 
68
if test -r "$2" && $cmpprog -- "$1" "$2" >/dev/null; then
69
  rm -f -- "$1"
70
else
71
  if mv -f -- "$1" "$2"; then :; else
72
    # Ignore failure due to a concurrent move-if-change.
73
    test -r "$2" && $cmpprog -- "$1" "$2" >/dev/null && rm -f -- "$1"
74
  fi
75
fi
76
 
77
## Local Variables:
78
## eval: (add-hook 'write-file-hooks 'time-stamp)
79
## time-stamp-start: "VERSION='"
80
## time-stamp-format: "%:y-%02m-%02d %02H:%02M"
81
## time-stamp-time-zone: "UTC"
82
## time-stamp-end: "'; # UTC"
83
## End:

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.