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author | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
commit | df62c1c110e8532b995b23540b7e3695729c0779 (patch) | |
tree | dbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.4.0/move-if-change | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.gz toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.bz2 toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.zip |
Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.4.0/move-if-change')
-rwxr-xr-x | gcc-4.4.0/move-if-change | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.4.0/move-if-change b/gcc-4.4.0/move-if-change new file mode 100755 index 000000000..ff74a556d --- /dev/null +++ b/gcc-4.4.0/move-if-change @@ -0,0 +1,22 @@ +#!/bin/sh +# Like mv $1 $2, but if the files are the same, just delete $1. +# Status is zero if successful, nonzero otherwise. + +usage="$0: usage: $0 SOURCE DEST" + +case $# in +2) ;; +*) echo "$usage" >&2; exit 1;; +esac + +for arg in "$1" "$2"; do + case $arg in + -*) echo "$usage" >&2; exit 1;; + esac +done + +if test -r "$2" && cmp -s "$1" "$2"; then + rm -f "$1" +else + mv -f "$1" "$2" +fi |