diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Propellor/Bootstrap.hs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Propellor/Bootstrap.hs b/src/Propellor/Bootstrap.hs index b2cf5609..089def51 100644 --- a/src/Propellor/Bootstrap.hs +++ b/src/Propellor/Bootstrap.hs @@ -109,7 +109,9 @@ build = catchBoolIO $ do -- This ensures that the propellor symlink only ever points at -- a binary that is fully built. Also, avoid ever removing -- or breaking the symlink. - unlessM (boolSystem "cp" [Param cabalbuiltbin, Param (tmpfor safetycopy)]) $ + -- + -- Need cp -a to make build timestamp checking work. + unlessM (boolSystem "cp" [Param "-a", Param cabalbuiltbin, Param (tmpfor safetycopy)]) $ error "cp of binary failed" rename (tmpfor safetycopy) safetycopy createSymbolicLink safetycopy (tmpfor dest) |