Hi,
You'll find below a suggestion of patch.
Or you could also remove "-f" from the initial $rmcmd definition, if you prefer.
--
Julien ÉLIE
As install-sh defines $rmcmd as "$rmprog -f", it is not necessary to add
a second "-f" when calling the rm command.
* lib/install-sh: Fix redundant use of the force option with the rm command
--- install-sh.orig 2018-03-17 14:18:08.701045461 +0100
+++ install-sh.rm-f 2018-03-17 14:40:03.428558746 +0100
@@ -491,9 +491,9 @@
# file should still install successfully.
{
test ! -f "$dst" ||
- $doit $rmcmd -f "$dst" 2>/dev/null ||
+ $doit $rmcmd "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
- { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+ { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1