blob: 4e5a8b9ff7e0c667c1f9e1561d61bf2c8f2afd02 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#!/bin/sh
#
# This is an actually-safe install command which installs the new
# file atomically in the new location, rather than overwriting
# existing files.
#
usage() {
printf "usage: %s [-D] [-l] [-m mode] src dest\n" "$0" 1>&2
exit 1
}
mkdirp=
symlink=
mode=755
while getopts Dlm: name ; do
case "$name" in
D) mkdirp=yes ;;
l) symlink=yes ;;
m) mode=$OPTARG ;;
?) usage ;;
esac
done
shift $(($OPTIND - 1))
test "$#" -eq 2 || usage
src=$1
dst=$2
tmp="$dst.tmp.$$"
case "$dst" in
*/) printf "%s: %s ends in /\n", "$0" "$dst" 1>&2 ; exit 1 ;;
esac
set -C
set -e
if test "$mkdirp" ; then
umask 022
case "$2" in
*/*) mkdir -p "${dst%/*}" ;;
esac
fi
trap 'rm -f "$tmp"' EXIT INT QUIT TERM HUP
umask 077
if test "$symlink" ; then
ln -s "$1" "$tmp"
else
cat < "$1" > "$tmp"
fi
mv -f "$tmp" "$2"
test -d "$2" && {
rm -f "$2/$tmp"
printf "%s: %s is a directory\n" "$0" "$dst" 1>&2
exit 1
}
test "$symlink" || chmod "$mode" "$2"
exit 0
|
