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https://github.com/freebsd/freebsd-src
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Merge rev 1.16: implement -j for cvs diff, allowing tag:date based diffs
into version 1.11.22.
This commit is contained in:
David E. O'Brien
parent
1b60ed3476
commit
af9bb1d630
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=175268
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@ -1,6 +1,11 @@
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/*
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* Copyright (c) 1992, Brian Berliner and Jeff Polk
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* Copyright (c) 1989-1992, Brian Berliner
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* Copyright (C) 1986-2005 The Free Software Foundation, Inc.
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*
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* Portions Copyright (C) 1998-2005 Derek Price, Ximbiot <http://ximbiot.com>,
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* and others.
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*
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* Portions Copyright (C) 1992, Brian Berliner and Jeff Polk
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* Portions Copyright (C) 1989-1992, Brian Berliner
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*
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* You may distribute under the terms of the GNU General Public License as
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* specified in the README file that comes with the CVS source distribution.
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@ -63,8 +68,9 @@ static int have_rev1_label, have_rev2_label;
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static char *user_file_rev;
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static char *options;
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static char *opts;
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static size_t opts_allocated = 1;
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static char **diff_argv;
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static int diff_argc;
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static size_t diff_arg_allocated;
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static int diff_errors;
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static int empty_files = 0;
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@ -209,6 +215,54 @@ static struct option const longopts[] =
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{0, 0, 0, 0}
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};
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/* Add one of OPT or LONGOPT, and ARGUMENT, when present, to global DIFF_ARGV.
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*
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* INPUTS
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* opt A character option representation.
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* longopt A long option name.
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* argument Optional option argument.
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*
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* GLOBALS
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* diff_argc The number of arguments in DIFF_ARGV.
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* diff_argv Array of argument strings.
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* diff_arg_allocated Allocated length of DIFF_ARGV.
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*
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* NOTES
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* Behavior when both OPT & LONGOPT are provided is undefined.
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*
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* RETURNS
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* Nothing.
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*/
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static void
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add_diff_args (char opt, const char *longopt, const char *argument)
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{
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char *tmp;
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/* Add opt or longopt to diff_arv. */
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assert (opt || (longopt && *longopt));
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assert (!(opt && (longopt && *longopt)));
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if (opt)
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{
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tmp = xmalloc (3);
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sprintf (tmp, "-%c", opt);
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}
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else
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{
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tmp = xmalloc (3 + strlen (longopt));
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sprintf (tmp, "--%s", longopt);
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}
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run_add_arg_p (&diff_argc, &diff_arg_allocated, &diff_argv, tmp);
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free (tmp);
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/* When present, add ARGUMENT to DIFF_ARGV. */
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if (argument)
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run_add_arg_p (&diff_argc, &diff_arg_allocated, &diff_argv, argument);
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}
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/* CVS 1.9 and similar versions seemed to have pretty weird handling
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of -y and -T. In the cases where it called rcsdiff,
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they would have the meanings mentioned below. In the cases where it
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@ -245,7 +299,6 @@ diff (argc, argv)
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int argc;
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char **argv;
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{
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char tmp[50];
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int c, err = 0;
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int local = 0;
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int which;
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@ -265,12 +318,11 @@ diff (argc, argv)
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/* Clean out our global variables (multiroot can call us multiple
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times and the server can too, if the client sends several
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diff commands). */
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if (opts == NULL)
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if (diff_argc)
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{
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opts_allocated = 1;
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opts = xmalloc (opts_allocated);
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run_arg_free_p (diff_argc, diff_argv);
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diff_argc = 0;
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}
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opts[0] = '\0';
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diff_rev1 = NULL;
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diff_rev2 = NULL;
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diff_date1 = NULL;
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@ -293,7 +345,7 @@ diff (argc, argv)
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switch (c)
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{
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case 'y':
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xrealloc_and_strcat (&opts, &opts_allocated, " --side-by-side");
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add_diff_args (0, "side-by-side", NULL);
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break;
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case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
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case 'h': case 'i': case 'n': case 'p': case 's': case 't':
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@ -301,8 +353,7 @@ diff (argc, argv)
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case '0': case '1': case '2': case '3': case '4': case '5':
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case '6': case '7': case '8': case '9':
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case 'B': case 'H': case 'T':
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(void) sprintf (tmp, " -%c", (char) c);
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xrealloc_and_strcat (&opts, &opts_allocated, tmp);
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add_diff_args (c, NULL, NULL);
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break;
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case 'L':
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if (have_rev1_label++)
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@ -311,33 +362,15 @@ diff (argc, argv)
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error (0, 0, "extra -L arguments ignored");
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break;
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}
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xrealloc_and_strcat (&opts, &opts_allocated, " -L");
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xrealloc_and_strcat (&opts, &opts_allocated, optarg);
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break;
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/* Fall through. */
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case 'C': case 'F': case 'I': case 'U': case 'W':
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(void) sprintf (tmp, " -%c", (char) c);
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xrealloc_and_strcat (&opts, &opts_allocated, tmp);
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xrealloc_and_strcat (&opts, &opts_allocated, optarg);
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add_diff_args (c, NULL, optarg);
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break;
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case 131:
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/* --ifdef. */
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xrealloc_and_strcat (&opts, &opts_allocated, " --ifdef=");
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xrealloc_and_strcat (&opts, &opts_allocated, optarg);
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break;
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case 129: case 130: case 132: case 133: case 134:
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case 129: case 130: case 131: case 132: case 133: case 134:
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case 135: case 136: case 137: case 138: case 139: case 140:
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case 141: case 142: case 143: case 145: case 146:
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xrealloc_and_strcat (&opts, &opts_allocated, " --");
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xrealloc_and_strcat (&opts, &opts_allocated,
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longopts[option_index].name);
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if (longopts[option_index].has_arg == 1
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|| (longopts[option_index].has_arg == 2
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&& optarg != NULL))
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{
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xrealloc_and_strcat (&opts, &opts_allocated, "=");
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xrealloc_and_strcat (&opts, &opts_allocated, optarg);
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}
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add_diff_args (0, longopts[option_index].name,
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longopts[option_index].has_arg ? optarg : NULL);
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break;
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case 'R':
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local = 0;
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@ -416,7 +449,7 @@ diff (argc, argv)
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send_arg("-l");
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if (empty_files)
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send_arg("-N");
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send_option_string (opts);
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send_options (diff_argc, diff_argv);
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if (options[0] != '\0')
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send_arg (options);
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if (diff_join1)
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@ -446,24 +479,24 @@ diff (argc, argv)
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err = get_responses_and_close ();
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} else
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#endif
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{
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if (diff_rev1 != NULL)
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tag_check_valid (diff_rev1, argc, argv, local, 0, "");
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if (diff_rev2 != NULL)
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tag_check_valid (diff_rev2, argc, argv, local, 0, "");
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{ /* FreeBSD addition - warning idention not changed til matching-} */
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if (diff_rev1 != NULL)
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tag_check_valid (diff_rev1, argc, argv, local, 0, "");
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if (diff_rev2 != NULL)
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tag_check_valid (diff_rev2, argc, argv, local, 0, "");
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which = W_LOCAL;
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if (diff_rev1 != NULL || diff_date1 != NULL)
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which |= W_REPOS | W_ATTIC;
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which = W_LOCAL;
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if (diff_rev1 != NULL || diff_date1 != NULL)
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which |= W_REPOS | W_ATTIC;
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wrap_setup ();
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wrap_setup ();
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/* start the recursion processor */
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err = start_recursion (diff_fileproc, diff_filesdoneproc, diff_dirproc,
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diff_dirleaveproc, NULL, argc, argv, local,
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which, 0, CVS_LOCK_READ, (char *) NULL, 1,
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(char *) NULL);
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}
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/* start the recursion processor */
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err = start_recursion (diff_fileproc, diff_filesdoneproc, diff_dirproc,
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diff_dirleaveproc, NULL, argc, argv, local,
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which, 0, CVS_LOCK_READ, (char *) NULL, 1,
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(char *) NULL);
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} /* FreeBSD addition */
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/* clean up */
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free (options);
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@ -522,7 +555,7 @@ diff_fileproc (callerdat, finfo)
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int exists;
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exists = 0;
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/* special handling for TAG_HEAD XXX */
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/* special handling for TAG_HEAD */
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if (diff_rev1 && strcmp (diff_rev1, TAG_HEAD) == 0)
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{
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char *head =
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@ -733,8 +766,8 @@ RCS file: ", 0);
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if (empty_file == DIFF_ADDED)
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{
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if (use_rev2 == NULL)
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status = diff_exec (DEVNULL, finfo->file, label1, label2, opts,
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RUN_TTY);
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status = diff_exec (DEVNULL, finfo->file, label1, label2,
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diff_argc, diff_argv, RUN_TTY);
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else
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{
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int retcode;
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@ -750,7 +783,8 @@ RCS file: ", 0);
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if( retcode != 0 )
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goto out;
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status = diff_exec (DEVNULL, tmp, label1, label2, opts, RUN_TTY);
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status = diff_exec (DEVNULL, tmp, label1, label2,
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diff_argc, diff_argv, RUN_TTY);
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}
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}
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else
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@ -766,16 +800,16 @@ RCS file: ", 0);
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if (retcode != 0)
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goto out;
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status = diff_exec (tmp, DEVNULL, label1, label2, opts, RUN_TTY);
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status = diff_exec (tmp, DEVNULL, label1, label2,
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diff_argc, diff_argv, RUN_TTY);
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}
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}
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else
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{
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status = RCS_exec_rcsdiff(vers->srcfile, opts,
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*options ? options : vers->options,
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use_rev1, rev1_cache, use_rev2,
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label1, label2,
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finfo->file);
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status = RCS_exec_rcsdiff (vers->srcfile, diff_argc, diff_argv,
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*options ? options : vers->options,
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use_rev1, rev1_cache, use_rev2,
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label1, label2, finfo->file);
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}
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@ -919,7 +953,7 @@ diff_file_nodiff( finfo, vers, empty_file, rev1_cache )
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if (diff_rev1 || diff_date1)
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{
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/* special handling for TAG_HEAD XXX */
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/* special handling for TAG_HEAD */
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if (diff_rev1 && strcmp (diff_rev1, TAG_HEAD) == 0)
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{
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if (vers->vn_rcs != NULL && vers->srcfile != NULL)
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@ -935,7 +969,7 @@ diff_file_nodiff( finfo, vers, empty_file, rev1_cache )
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}
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if (diff_rev2 || diff_date2)
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{
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/* special handling for TAG_HEAD XXX */
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/* special handling for TAG_HEAD */
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if (diff_rev2 && strcmp (diff_rev2, TAG_HEAD) == 0)
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{
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if (vers->vn_rcs != NULL && vers->srcfile != NULL)
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