install-sh: do not chown existing directories.

* lib/install-sh: do not chown existing directories.
Original patch sent by Julien Elie:
https://lists.gnu.org/archive/html/automake-patches/2018-03/msg00003.html
(scriptversion): 2020-11-11.01
* NEWS: mention this.

2 files changed, 7 insertions, 3 deletions

diff --git a/NEWS b/NEWS
index c7d02d606..f4445f9c5 100644
--- a/NEWS
+++ b/NEWS
@@ -92,8 +92,8 @@ New in ?.?.?:
 
 * Miscellaneous changes
 
-  - install-sh no longer unconditionally uses -f when rm is overridden
-  by RMPROG.
+  - install-sh tweaks: no longer unconditionally uses -f when rm is
+  overridden by RMPROG; does not chown existing directories.
 
   - Removed function up_to_date_p in lib/Automake/FileUtils.pm.
     We believe this function is completely unused.
diff --git a/lib/install-sh b/lib/install-sh
index 2915ff015..4fe135050 100755
--- a/lib/install-sh
+++ b/lib/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2020-07-26.22; # UTC
+scriptversion=2020-11-11.01; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -262,6 +262,10 @@ do
     dstdir=$dst
     test -d "$dstdir"
     dstdir_status=$?
+    # Don't chown directories that already exist.
+    if test $dstdir_status = 0; then
+      chowncmd=""
+    fi
   else
 
     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command