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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-13 12:30:24 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-13 12:30:24 +0000 |
| commit | f28ec8da8c08a90b19c85ceef0ee717c886d7841 (patch) | |
| tree | 3c8bdc0399b48ae990c2164bcaab4d567b7e66a8 /tool | |
| parent | e6226e2c9d6baafd4ba3efbdd0464ce28c3b2b0d (diff) | |
no alternate value expansion
* configure.in (opt-dir), tool/ifchange: get rid of "alternate value"
expansion for legacy sh. [ruby-dev:47420] [Bug #8524]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'tool')
| -rwxr-xr-x | tool/ifchange | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tool/ifchange b/tool/ifchange index 5ff8276b03..c54b8fbb03 100755 --- a/tool/ifchange +++ b/tool/ifchange @@ -1,6 +1,7 @@ #!/bin/sh # usage: ifchange target temporary +set -e timestamp= keepsuffix= until [ "$0" = 0 ]; do @@ -37,7 +38,7 @@ if cmp "$target" "$temp" >/dev/null 2>&1; then rm -f "$temp" else echo "$target updated" - ${keepsuffix:+ mv -f "$target" "${target}${keepsuffix}" } + [ x"${keepsuffix}" = x ] || mv -f "$target" "${target}${keepsuffix}" mv -f "$temp" "$target" fi |