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authorrofl0r <retnyg@gmx.net>2018-06-17 11:22:38 +0100
committerrofl0r <retnyg@gmx.net>2018-06-17 11:22:38 +0100
commit38c2aea709b47e2e3c08ecebe0c51a3a4f528635 (patch)
tree3b8830f0b2b28d8142427c4c49caa6be5ded02de /install.sh
parentedf21ef7aa9423b95aa49e2018eacfbcf1f3eac9 (diff)
downloadlibnl-tiny-38c2aea709b47e2e3c08ecebe0c51a3a4f528635.tar.gz
fix install command for retarded OS's (Mac OS X)
install.sh taken from https://github.com/rofl0r/install.sh
Diffstat (limited to 'install.sh')
-rwxr-xr-xinstall.sh67
1 files changed, 67 insertions, 0 deletions
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..0410883
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+#
+# Written by Rich Felker, originally as part of musl libc.
+# Multi-licensed under MIT, 0BSD, and CC0.
+#
+# 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"
+chmod "$mode" "$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
+}
+
+exit 0