Use ‘echo’ safely with ‘\’ or leading ‘-’

[gnu-emacs] / admin / merge-gnulib

diff --git a/admin/merge-gnulib b/admin/merge-gnulib
index e7910a642c738f0f9b23ecf95c8ea46bffdae276..818dc1afce97404e4f0186cfe84b6880c34ef6a6 100755 (executable)
--- a/admin/merge-gnulib
+++ b/admin/merge-gnulib
@@ -37,20 +37,20 @@ GNULIB_MODULES='
   pipe2 pselect pthread_sigmask putenv qcopy-acl readlink readlinkat
   sig2str socklen stat-time stdalign stddef stdio
   stpcpy strftime strtoimax strtoumax symlink sys_stat
-  sys_time time time_r timer-time timespec-add timespec-sub
+  sys_time time time_r time_rz timegm timer-time timespec-add timespec-sub
   unsetenv update-copyright utimens
   vla warnings
 '
 
 GNULIB_TOOL_FLAGS='
   --avoid=close --avoid=dup
-  --avoid=fchdir --avoid=fstat
+  --avoid=fchdir --avoid=flexmember --avoid=fstat
   --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow
   --avoid=open --avoid=openat-die --avoid=opendir
   --avoid=raise
-  --avoid=save-cwd --avoid=select --avoid=sigprocmask
+  --avoid=save-cwd --avoid=select --avoid=setenv --avoid=sigprocmask
   --avoid=stdarg --avoid=stdbool
-  --avoid=threadlib
+  --avoid=threadlib --avoid=unsetenv
   --conditional-dependencies --import --no-changelog --no-vc-files
   --makefile-name=gnulib.mk
 '
@@ -71,7 +71,7 @@ case $gnulib_srcdir in
 esac
 case $src in
   -*)
-    echo >&2 "$0: usage: $0 [GNULIB_SRCDIR [SRCDIR]]
+    printf '%s\n' >&2 "$0: usage: $0 [GNULIB_SRCDIR [SRCDIR]]
 
     SRCDIR is the Emacs source directory (default: working directory).
     GNULIB_SRCDIR is the Gnulib source directory (default: SRCDIR/../gnulib)."
@@ -79,7 +79,7 @@ case $src in
 esac
 
 test -x "$src"autogen.sh || {
-  echo >&2 "$0: '${src:-.}' is not an Emacs source directory."
+  printf '%s\n' >&2 "$0: '${src:-.}' is not an Emacs source directory."
   exit 1
 }
 
@@ -88,7 +88,7 @@ git clone -- "$GNULIB_URL" "$gnulib_srcdir" ||
 exit
 
 test -x "$gnulib_srcdir"/gnulib-tool || {
-  echo >&2 "$0: '$gnulib_srcdir' is not a Gnulib source directory."
+  printf '%s\n' >&2 "$0: '$gnulib_srcdir' is not a Gnulib source directory."
   exit 1
 }