kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

* common.mk (REVISION_H): keeps timestamp of revision.h.

Browse source 
[ruby-core:22900]

* tool/ifchange, win32/ifchange.bat: extended --timestamp option.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22974 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-03-16 03:30:01 +00:00
parent 40819d4599
commit 2bb561ea5f
4 changed files with 61 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

36
tool/ifchange
View file

@ -1,11 +1,22 @@
#!/bin/sh
# usage: ifchange target temporary
unset timestamp
if [ "$1" = --timestamp ]; then
timestamp=yes
timestamp=
until [ "$0" = 0 ]; do
case "$1" in
--timestamp)
timestamp=.
;;
--timestamp=*)
timestamp="${1#*=}" || timestamp=`expr "$1" : '[^=]*=\(.*\)'`
;;
*)
break
;;
esac
shift
fi
done
target="$1"
temp="$2"
if [ "$temp" = - ]; then
@ -13,6 +24,7 @@ if [ "$temp" = - ]; then
cat > "$temp" || exit $?
trap 'rm -f "$temp"' 0
fi
if cmp "$target" "$temp" >/dev/null 2>&1; then
echo "$target unchanged"
rm -f "$temp"
@ -20,6 +32,18 @@ else
echo "$target updated"
mv -f "$temp" "$target"
fi
if [ $timestamp ]; then
touch `dirname "$target"`/.time.`basename "$target"`
if [ -n "${timestamp}" ]; then
if [ x"${timestamp}" = x. ]; then
case "$target" in
*/*)
timestamp="${target%/*}"/.time."${target##*/}" ||
timestamp=`dirname "$target"`/.time.`basename "$target"`
;;
*)
timestamp=.time."$target"
;;
esac
fi
: > "$timestamp"
fi