add set_time function for tar module without lfs

2 files changed, 6 insertions, 0 deletions

diff --git a/src/luarocks/cfg.lua b/src/luarocks/cfg.lua
index 31b3211a..1b4923ab 100644
--- a/src/luarocks/cfg.lua
+++ b/src/luarocks/cfg.lua
@@ -349,6 +349,7 @@ local defaults = {
       OPENSSL = "openssl",
       MD5 = "md5",
       STAT = "stat",
+      TOUCH = "touch",
 
       CMAKE = "cmake",
       SEVENZ = "7z",
diff --git a/src/luarocks/fs/unix/tools.lua b/src/luarocks/fs/unix/tools.lua
index 150a5ff8..442004ce 100644
--- a/src/luarocks/fs/unix/tools.lua
+++ b/src/luarocks/fs/unix/tools.lua
@@ -346,4 +346,9 @@ function tools.browser(url)
    return fs.execute(cfg.web_browser, url)
 end
 
+function tools.set_time(file, time)
+   file = dir.normalize(file)
+   return fs.execute(vars.TOUCH, "-d", "@"..tostring(time), file)
+end
+
 return tools