Author: bapt
Date: Sun Jul 26 11:21:36 2015
New Revision: 285890
URL: https://svnweb.freebsd.org/changeset/base/285890

Log:
  Replace GNU RCS ident with a BSD license ident
  
  Rationale: ident(1) is useful out of RCS, lot of scripts are using ident(1) 
and
  failing when base is built WITHOUT_RCS.
  
  This version is:
  - fully compatible with RCS 5.7 ident.
  - fully compatible with RCS 5.9 ident.
  - passes all ident test from GNU RCS 5.9 test suite
  
  This version has support for: svn extension for the Keyword id (double colon 
and
  # before last $)
  
  Différences with GNU RCS ident:
  - no long options as found in GNU RCS 5.9 (but not commented there).
  - '-V' reports nothing but has been added for compatibility.
  
  Differential Revision:        https://reviews.freebsd.org/D3200
  Reviewed by:  pfg

Added:
  head/usr.bin/ident/
  head/usr.bin/ident/Makefile   (contents, props changed)
  head/usr.bin/ident/ident.1   (contents, props changed)
  head/usr.bin/ident/ident.c   (contents, props changed)
  head/usr.bin/ident/tests/
  head/usr.bin/ident/tests/Makefile   (contents, props changed)
  head/usr.bin/ident/tests/ident.sh   (contents, props changed)
  head/usr.bin/ident/tests/test.in   (contents, props changed)
  head/usr.bin/ident/tests/test.out   (contents, props changed)
  head/usr.bin/ident/tests/testnoid   (contents, props changed)
Deleted:
  head/gnu/usr.bin/rcs/ident/
Modified:
  head/etc/mtree/BSD.tests.dist
  head/gnu/usr.bin/rcs/Makefile
  head/tools/build/mk/OptionalObsoleteFiles.inc
  head/usr.bin/Makefile

Modified: head/etc/mtree/BSD.tests.dist
==============================================================================
--- head/etc/mtree/BSD.tests.dist       Sun Jul 26 11:16:48 2015        
(r285889)
+++ head/etc/mtree/BSD.tests.dist       Sun Jul 26 11:21:36 2015        
(r285890)
@@ -528,6 +528,8 @@
         ..
         gzip
         ..
+        ident
+        ..
         join
         ..
         jot

Modified: head/gnu/usr.bin/rcs/Makefile
==============================================================================
--- head/gnu/usr.bin/rcs/Makefile       Sun Jul 26 11:16:48 2015        
(r285889)
+++ head/gnu/usr.bin/rcs/Makefile       Sun Jul 26 11:21:36 2015        
(r285890)
@@ -1,3 +1,5 @@
-SUBDIR= lib ci co ident merge rcs rcsclean rcsdiff rcsmerge rlog rcsfreeze
+# $FreeBSD$
+
+SUBDIR= lib ci co merge rcs rcsclean rcsdiff rcsmerge rlog rcsfreeze
 
 .include <bsd.subdir.mk>

Modified: head/tools/build/mk/OptionalObsoleteFiles.inc
==============================================================================
--- head/tools/build/mk/OptionalObsoleteFiles.inc       Sun Jul 26 11:16:48 
2015        (r285889)
+++ head/tools/build/mk/OptionalObsoleteFiles.inc       Sun Jul 26 11:21:36 
2015        (r285890)
@@ -6316,7 +6316,6 @@ OLD_FILES+=usr/share/man/man8/rwhod.8.gz
 .if ${MK_RCS} == no
 OLD_FILES+=usr/bin/ci
 OLD_FILES+=usr/bin/co
-OLD_FILES+=usr/bin/ident
 OLD_FILES+=usr/bin/merge
 OLD_FILES+=usr/bin/rcs
 OLD_FILES+=usr/bin/rcsclean
@@ -6327,7 +6326,6 @@ OLD_FILES+=usr/bin/rlog
 OLD_FILES+=usr/sbin/etcupdate
 OLD_FILES+=usr/share/man/man1/ci.1.gz
 OLD_FILES+=usr/share/man/man1/co.1.gz
-OLD_FILES+=usr/share/man/man1/ident.1.gz
 OLD_FILES+=usr/share/man/man1/merge.1.gz
 OLD_FILES+=usr/share/man/man1/rcs.1.gz
 OLD_FILES+=usr/share/man/man1/rcsclean.1.gz

Modified: head/usr.bin/Makefile
==============================================================================
--- head/usr.bin/Makefile       Sun Jul 26 11:16:48 2015        (r285889)
+++ head/usr.bin/Makefile       Sun Jul 26 11:21:36 2015        (r285890)
@@ -64,6 +64,7 @@ SUBDIR=       ${_addr2line} \
        hexdump \
        ${_iconv} \
        id \
+       ident \
        ipcrm \
        ipcs \
        join \

Added: head/usr.bin/ident/Makefile
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/Makefile Sun Jul 26 11:21:36 2015        (r285890)
@@ -0,0 +1,13 @@
+# $FreeBSD$
+
+.include <src.opts.mk>
+
+PROG=  ident
+
+LIBADD=        sbuf
+
+.if ${MK_TESTS} != "no"
+SUBDIR+= tests
+.endif
+
+.include <bsd.prog.mk>

Added: head/usr.bin/ident/ident.1
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/ident.1  Sun Jul 26 11:21:36 2015        (r285890)
@@ -0,0 +1,68 @@
+.\" Copyright (c) 2015 Baptiste Daroussin <b...@freebsd.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd Jul 25, 2015
+.Dt IDENT 1
+.Os
+.Sh NAME
+.Nm ident
+.Nd identify RCS keyword string in files
+.Sh SYNOPSIS
+.Nm
+.Op Fl q
+.Op Fl V
+.Op Ar File Ns s
+.Sh DESCRIPTION
+The
+.Nm
+utility searches for all instances of the pattern
+.Sq $keyword: text$
+in
+.Ar files .
+.Pp
+If no arguments are passed, then
+.Nm
+parses the standard input.
+.Pp
+.Em keyword
+must only be composed of alphanumeric values in the C locale, followed by
+.Sq \&:
+and a space.
+.Pp
+These options are supported:
+.Bl -tag -width "XXX"
+.It Fl q
+Quiet mode: suppress warnings if no pattern found.
+.It Fl V
+Do nothing, added for compatibility with GNU ident.
+.El
+.Sh EXIT STATUS
+.Ex -std ident
+.Sh AUTHORS
+This version of the
+.Nm
+utility was written by
+.An Baptiste Daroussin Aq Mt b...@freebsd.org .

Added: head/usr.bin/ident/ident.c
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/ident.c  Sun Jul 26 11:21:36 2015        (r285890)
@@ -0,0 +1,173 @@
+/*-
+ * Copyright (c) 2015 Baptiste Daroussin <b...@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/sbuf.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <xlocale.h>
+
+static bool
+parse_id(FILE *fp, struct sbuf *buf, locale_t l)
+{
+       int c;
+       bool isid = false;
+       bool subversion = false;
+
+       sbuf_putc(buf, '$');
+       while ((c = fgetc(fp)) != EOF) {
+               sbuf_putc(buf, c);
+               if (!isid) {
+                       if (c == '$') {
+                               sbuf_clear(buf);
+                               sbuf_putc(buf, '$');
+                               continue;
+                       }
+                       if (c == ':') {
+                                c = fgetc(fp);
+                                /* accept :: for subversion compatibility */
+                                if (c == ':') {
+                                       subversion = true;
+                                       sbuf_putc(buf, c);
+                                       c = fgetc(fp);
+                               }
+                               if (c == ' ') {
+                                       sbuf_putc(buf, c);
+                                       isid = true;
+                                       continue;
+                               }
+                               return (false);
+                       }
+
+                       if (!isalpha_l(c, l))
+                               return (false);
+               } else {
+                       if (c == '\n')
+                               return (false);
+                       if (c == '$') {
+                               sbuf_finish(buf);
+                               /* should end with a space */
+                               c = sbuf_data(buf)[sbuf_len(buf) - 2];
+                               if (!subversion) {
+                                       if (c != ' ')
+                                               return (0);
+                               } else if (subversion) {
+                                       if (c != ' ' && c != '#')
+                                               return (0);
+                               }
+                               printf("     %s\n", sbuf_data(buf));
+                               return (true);
+                       }
+               }
+       }
+
+       return (false);
+}
+
+static int
+scan(FILE *fp, const char *name, bool quiet)
+{
+       int c;
+       bool hasid = false;
+       struct sbuf *id = sbuf_new_auto();
+       locale_t l;
+
+       l = newlocale(LC_ALL_MASK, "C", NULL);
+
+       if (name != NULL)
+               printf("%s:\n", name);
+
+       while ((c = fgetc(fp)) != EOF) {
+               if (c == '$') {
+                       sbuf_clear(id);
+                       if (parse_id(fp, id, l))
+                               hasid = true;
+               }
+       }
+       sbuf_delete(id);
+       freelocale(l);
+
+       if (!hasid) {
+               if (!quiet)
+                       fprintf(stderr, "%s warning: no id keywords in %s\n",
+                           getprogname(), name ? name : "standard input");
+
+               return (EXIT_FAILURE);
+       }
+
+       return (EXIT_SUCCESS);
+}
+
+int
+main(int argc, char **argv)
+{
+       bool quiet = false;
+       int ch, i;
+       int ret = EXIT_SUCCESS;
+       FILE *fp;
+
+       while ((ch = getopt(argc, argv, "qV")) != -1) {
+               switch (ch) {
+               case 'q':
+                       quiet = true;
+                       break;
+               case 'V':
+                       /* Do nothing, compat with GNU rcs's ident */
+                       return (EXIT_SUCCESS);
+               default:
+                       errx(EXIT_FAILURE, "usage: %s [-q] [-V] [file...]",
+                           getprogname());
+               }
+       }
+
+       argc -= optind;
+       argv += optind;
+
+       if (argc == 0)
+               return (scan(stdin, NULL, quiet));
+
+       for (i = 0; i < argc; i++) {
+               fp = fopen(argv[i], "r");
+               if (fp == NULL) {
+                       warn("%s", argv[i]);
+                       ret = EXIT_FAILURE;
+                       continue;
+               }
+               if (scan(fp, argv[i], quiet) != EXIT_SUCCESS)
+                       ret = EXIT_FAILURE;
+               fclose(fp);
+       }
+
+       return (ret);
+}

Added: head/usr.bin/ident/tests/Makefile
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/tests/Makefile   Sun Jul 26 11:21:36 2015        
(r285890)
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+TESTSDIR=      ${TESTSBASE}/usr.bin/ident
+
+ATF_TESTS_SH=  ident
+FILES=         test.in \
+               test.out \
+               testnoid
+FILESDIR=      ${TESTSDIR}
+
+.include <bsd.test.mk>

Added: head/usr.bin/ident/tests/ident.sh
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/tests/ident.sh   Sun Jul 26 11:21:36 2015        
(r285890)
@@ -0,0 +1,16 @@
+# $FreeBSD$
+
+atf_test_case ident
+ident_body() {
+       atf_check -o file:$(atf_get_srcdir)/test.out \
+               ident < $(atf_get_srcdir)/test.in
+       atf_check -o match:'Foo.*' -s exit:1 \
+               -e inline:"ident warning: no id keywords in 
$(atf_get_srcdir)/testnoid\n" \
+               ident $(atf_get_srcdir)/test.in $(atf_get_srcdir)/testnoid
+       atf_check -o match:'Foo.*' -s exit:1 \
+               ident -q $(atf_get_srcdir)/test.in $(atf_get_srcdir)/testnoid
+}
+atf_init_test_cases()
+{
+       atf_add_test_case ident
+}

Added: head/usr.bin/ident/tests/test.in
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/tests/test.in    Sun Jul 26 11:21:36 2015        
(r285890)
@@ -0,0 +1,15 @@
+# tranditional
+ $Foo: bar $ (OK traditional)
+ $$Foo: bar $
+ $$Fo$o: bar $
+ $Fo$o: bar $
+ $ Foo : bar $ (WRONG --  NON ALPHANUM BEFORE :)
+ $ Foo : bar $ (WRONG --  NON ALPHANUM BEFORE :)
+ $Foo: bar $ (WRONG -- NO SPACE AFTER :)
+ $Foo:bar $ (WRONG -- NO SPACE AFTER :)
+ $Foo: bar$ (WRONG -- NO SPACE BEFORE $))
+# Subversion like
+ $Bar::    baz$ (WRONG -- NO SPACE BEFORE $)
+ $Bar::    baz $ (OK -- SPACE BEFORE $)
+ $Qux:: frobby zow#$ (OK -- HASH BEFORE $)' '
+

Added: head/usr.bin/ident/tests/test.out
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/usr.bin/ident/tests/test.out   Sun Jul 26 11:21:36 2015        
(r285890)
@@ -0,0 +1,6 @@
+     $Foo: bar $
+     $Foo: bar $
+     $o: bar $
+     $o: bar $
+     $Bar::    baz $
+     $Qux:: frobby zow#$

Added: head/usr.bin/ident/tests/testnoid
==============================================================================
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