scripts: sync git-hooks from coreutils

scripts/git-hooks/applypatch-msg

@@ -10,6 +10,6 @@
 # To enable this hook, rename this file to "applypatch-msg".
 
 . git-sh-setup
-commitmsg="$(git rev-parse --git-path hooks/commit-msg)"
-test -x "$commitmsg" && exec "$commitmsg" ${1+"$@"}
+test -x "$GIT_DIR/hooks/commit-msg" &&
+	exec "$GIT_DIR/hooks/commit-msg" ${1+"$@"}
 :

scripts/git-hooks/commit-msg

@@ -16,7 +16,7 @@ $editor = "vi" if $? != 0 or $editor =~ /^\s*\z/;
 my @valid = qw(
     diff diff3 cmp sdiff
 
-    gnulib tests maint doc build scripts
+    all gnulib tests maint doc build scripts
     );
 my $v_or = join '|', @valid;
 my $valid_regex = qr/^(?:$v_or)$/;
@@ -79,7 +79,7 @@ sub check_msg($$)
   my ($log_file, $line_ref) = @_;
 
   local *LOG;
-  open LOG, '<', $log_file
+  open LOG, '<:utf8', $log_file
     or return "failed to open for reading: $!";
   @$line_ref = <LOG>;
   close LOG;
@@ -109,21 +109,24 @@ sub check_msg($$)
     and return 'second line must be empty';
 
   # Limit line length to allow for the ChangeLog's leading TAB.
+  my $max_len = 72;
   foreach my $line (@line)
     {
-      72 < length $line && $line =~ /^[^#]/
-        and return 'line longer than 72';
+      last if $line =~ '.*-{24} >8 -{24}$';
+      my $len = length $line;
+      $max_len < $len && $line =~ /^[^#]/
+        and return "line length ($len) greater than than max: $max_len";
     }
 
   my $buf = join ("\n", @line) . "\n";
   $buf =~ m!https?://bugzilla\.redhat\.com/show_bug\.cgi\?id=(\d+)!s
-    and return "use shorter http://bugzilla.redhat.com/$1";
+    and return "use shorter https://bugzilla.redhat.com/$1";
 
   $buf =~ m!https?://debbugs\.gnu\.org/(?:cgi/bugreport\.cgi\?bug=)?(\d+)!s
-    and return "use shorter http://bugs.gnu.org/$1";
+    and return "use shorter https://bugs.gnu.org/$1";
 
-  $buf =~ /^ *Signed-off-by:/mi
-    and return q(do not use "Signed-off-by:");
+  $buf =~ m!https://lists\.gnu\.org/archive/html/!s
+    and return "use '/r/' in place of '/archive/html/' in lists.gnu.org URLs";
 
   return '';
 }
@@ -141,6 +144,7 @@ sub check_msg($$)
       $err eq ''
         and last;
       $err = "$ME: $err\n";
+      -t STDOUT or die $err;
       warn $err;
       # Insert the diagnostic as a comment on the first line of $log_file.
       rewrite $log_file, $err, \@line;

scripts/git-hooks/pre-applypatch

@@ -9,6 +9,6 @@
 # To enable this hook, rename this file to "pre-applypatch".
 
 . git-sh-setup
-precommit="$(git rev-parse --git-path hooks/pre-commit)"
-test -x "$precommit" && exec "$precommit" ${1+"$@"}
+test -x "$GIT_DIR/hooks/pre-commit" &&
+	exec "$GIT_DIR/hooks/pre-commit" ${1+"$@"}
 :

scripts/git-hooks/pre-commit

@@ -15,13 +15,13 @@ else
 	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
 fi
 
-# If you want to allow non-ASCII filenames set this variable to true.
-allownonascii=$(git config --bool hooks.allownonascii)
+# If you want to allow non-ascii filenames set this variable to true.
+allownonascii=$(git config hooks.allownonascii)
 
 # Redirect output to stderr.
 exec 1>&2
 
-# Cross platform projects tend to avoid non-ASCII filenames; prevent
+# Cross platform projects tend to avoid non-ascii filenames; prevent
 # them from being added to the repository. We exploit the fact that the
 # printable range starts at the space character and ends with tilde.
 if [ "$allownonascii" != "true" ] &&
@@ -31,17 +31,18 @@ if [ "$allownonascii" != "true" ] &&
 	test $(git diff --cached --name-only --diff-filter=A -z $against |
 	  LC_ALL=C tr -d '[ -~]\0' | wc -c) != 0
 then
-	cat <<\EOF
-Error: Attempt to add a non-ASCII file name.
-
-This can cause problems if you want to work with people on other platforms.
-
-To be portable it is advisable to rename the file.
-
-If you know what you are doing you can disable this check using:
-
-  git config hooks.allownonascii true
-EOF
+	echo "Error: Attempt to add a non-ascii file name."
+	echo
+	echo "This can cause problems if you want to work"
+	echo "with people on other platforms."
+	echo
+	echo "To be portable it is advisable to rename the file ..."
+	echo
+	echo "If you know what you are doing you can disable this"
+	echo "check using:"
+	echo
+	echo "  git config hooks.allownonascii true"
+	echo
 	exit 1
 fi