external/gpl2/xcvs/dist/src/annotate.c

   1 /*
   2  * Copyright (C) 1986-2005 The Free Software Foundation, Inc.
   3  *
   4  * Portions Copyright (C) 1998-2005 Derek Price, Ximbiot <http://ximbiot.com>,
   5  *                                  and others.
   6  *
   7  * Portions Copyright (c) 1992, Brian Berliner and Jeff Polk
   8  * Portions Copyright (c) 1989-1992, Brian Berliner
   9  *
  10  * You may distribute under the terms of the GNU General Public License as
  11  * specified in the README file that comes with the CVS source distribution.
  12  *
  13  * Show last revision where each line modified
  14  *
  15  * Prints the specified files with each line annotated with the revision
  16  * number where it was last modified.  With no argument, annotates all
  17  * all the files in the directory (recursive by default).
  18  */
  19
  20 #include "cvs.h"
  21
  22 /* Options from the command line.  */
  23
  24 static int force_tag_match = 1;
  25 static int force_binary = 0;
  26 static char *tag = NULL;
  27 static int tag_validated;
  28 static char *date = NULL;
  29
  30 static int is_rannotate;
  31
  32 static int annotate_fileproc (void *callerdat, struct file_info *);
  33 static int rannotate_proc (int argc, char **argv, char *xwhere,
  34                                  char *mwhere, char *mfile, int shorten,
  35                                  int local, char *mname, char *msg);
  36
  37 static const char *const annotate_usage[] =
  38 {
  39     "Usage: %s %s [-lRfF] [-r rev] [-D date] [files...]\n",
  40     "\t-l\tLocal directory only, no recursion.\n",
  41     "\t-R\tProcess directories recursively.\n",
  42     "\t-f\tUse head revision if tag/date not found.\n",
  43     "\t-F\tAnnotate binary files.\n",
  44     "\t-r rev\tAnnotate file as of specified revision/tag.\n",
  45     "\t-D date\tAnnotate file as of specified date.\n",
  46     "(Specify the --help global option for a list of other help options)\n",
  47     NULL
  48 };
  49
  50 /* Command to show the revision, date, and author where each line of a
  51    file was modified.  */
  52
  53 int
  54 annotate (int argc, char **argv)
  55 {
  56     int local = 0;
  57     int err = 0;
  58     int c;
  59
  60     is_rannotate = (strcmp(cvs_cmd_name, "rannotate") == 0);
  61
  62     if (argc == -1)
  63         usage (annotate_usage);
  64
  65     getoptreset ();
  66     while ((c = getopt (argc, argv, "+lr:D:fFR")) != -1)
  67     {
  68         switch (c)
  69         {
  70             case 'l':
  71                 local = 1;
  72                 break;
  73             case 'R':
  74                 local = 0;
  75                 break;
  76             case 'r':
  77                 parse_tagdate (&tag, &date, optarg);
  78                 break;
  79             case 'D':
  80                 if (date) free (date);
  81                 date = Make_Date (optarg);
  82                 break;
  83             case 'f':
  84                 force_tag_match = 0;
  85                 break;
  86             case 'F':
  87                 force_binary = 1;
  88                 break;
  89             case '?':
  90             default:
  91                 usage (annotate_usage);
  92                 break;
  93         }
  94     }
  95     argc -= optind;
  96     argv += optind;
  97
  98 #ifdef CLIENT_SUPPORT
  99     if (current_parsed_root->isremote)
 100     {
 101         start_server ();
 102
 103         if (is_rannotate && !supported_request ("rannotate"))
 104             error (1, 0, "server does not support rannotate");
 105
 106         ign_setup ();
 107
 108         if (local)
 109             send_arg ("-l");
 110         if (!force_tag_match)
 111             send_arg ("-f");
 112         if (force_binary)
 113             send_arg ("-F");
 114         option_with_arg ("-r", tag);
 115         if (date)
 116             client_senddate (date);
 117         send_arg ("--");
 118         if (is_rannotate)
 119         {
 120             int i;
 121             for (i = 0; i < argc; i++)
 122                 send_arg (argv[i]);
 123             send_to_server ("rannotate\012", 0);
 124         }
 125         else
 126         {
 127             send_files (argc, argv, local, 0, SEND_NO_CONTENTS);
 128             send_file_names (argc, argv, SEND_EXPAND_WILD);
 129             send_to_server ("annotate\012", 0);
 130         }
 131         return get_responses_and_close ();
 132     }
 133 #endif /* CLIENT_SUPPORT */
 134
 135     if (is_rannotate)
 136     {
 137         DBM *db;
 138         int i;
 139         db = open_module ();
 140         for (i = 0; i < argc; i++)
 141         {
 142             err += do_module (db, argv[i], MISC, "Annotating", rannotate_proc,
 143                               NULL, 0, local, 0, 0, NULL);
 144         }
 145         close_module (db);
 146     }
 147     else
 148     {
 149         err = rannotate_proc (argc + 1, argv - 1, NULL, NULL, NULL, 0,
 150                               local, NULL, NULL);
 151     }
 152
 153     return err;
 154 }
 155
 156
 157 static int
 158 rannotate_proc (int argc, char **argv, char *xwhere, char *mwhere,
 159                 char *mfile, int shorten, int local, char *mname, char *msg)
 160 {
 161     /* Begin section which is identical to patch_proc--should this
 162        be abstracted out somehow?  */
 163     char *myargv[2];
 164     int err = 0;
 165     int which;
 166     char *repository;
 167     char *where;
 168
 169     if (is_rannotate)
 170     {
 171         repository = xmalloc (strlen (current_parsed_root->directory) + strlen (argv[0])
 172                               + (mfile == NULL ? 0 : strlen (mfile) + 1) + 2);
 173         (void) sprintf (repository, "%s/%s", current_parsed_root->directory, argv[0]);
 174         where = xmalloc (strlen (argv[0]) + (mfile == NULL ? 0 : strlen (mfile) + 1)
 175                          + 1);
 176         (void) strcpy (where, argv[0]);
 177
 178         /* if mfile isn't null, we need to set up to do only part of the module */
 179         if (mfile != NULL)
 180         {
 181             char *cp;
 182             char *path;
 183
 184             /* if the portion of the module is a path, put the dir part on repos */
 185             if ((cp = strrchr (mfile, '/')) != NULL)
 186             {
 187                 *cp = '\0';
 188                 (void) strcat (repository, "/");
 189                 (void) strcat (repository, mfile);
 190                 (void) strcat (where, "/");
 191                 (void) strcat (where, mfile);
 192                 mfile = cp + 1;
 193             }
 194
 195             /* take care of the rest */
 196             path = Xasprintf ("%s/%s", repository, mfile);
 197             if (isdir (path))
 198             {
 199                 /* directory means repository gets the dir tacked on */
 200                 (void) strcpy (repository, path);
 201                 (void) strcat (where, "/");
 202                 (void) strcat (where, mfile);
 203             }
 204             else
 205             {
 206                 myargv[0] = argv[0];
 207                 myargv[1] = mfile;
 208                 argc = 2;
 209                 argv = myargv;
 210             }
 211             free (path);
 212         }
 213
 214         /* cd to the starting repository */
 215         if (CVS_CHDIR (repository) < 0)
 216         {
 217             error (0, errno, "cannot chdir to %s", repository);
 218             free (repository);
 219             free (where);
 220             return 1;
 221         }
 222         /* End section which is identical to patch_proc.  */
 223
 224         if (force_tag_match && tag != NULL)
 225             which = W_REPOS | W_ATTIC;
 226         else
 227             which = W_REPOS;
 228     }
 229     else
 230     {
 231         where = NULL;
 232         which = W_LOCAL;
 233         repository = "";
 234     }
 235
 236     if (tag != NULL && !tag_validated)
 237     {
 238         tag_check_valid (tag, argc - 1, argv + 1, local, 0, repository, false);
 239         tag_validated = 1;
 240     }
 241
 242     err = start_recursion (annotate_fileproc, NULL, NULL, NULL, NULL,
 243                            argc - 1, argv + 1, local, which, 0, CVS_LOCK_READ,
 244                            where, 1, repository);
 245     if (which & W_REPOS)
 246         free (repository);
 247     if (where != NULL)
 248         free (where);
 249     return err;
 250 }
 251
 252
 253 static int
 254 annotate_fileproc (void *callerdat, struct file_info *finfo)
 255 {
 256     char *expand, *version;
 257
 258     if (finfo->rcs == NULL)
 259         return 1;
 260
 261     if (finfo->rcs->flags & PARTIAL)
 262         RCS_reparsercsfile (finfo->rcs, NULL, NULL);
 263
 264     expand = RCS_getexpand (finfo->rcs);
 265     version = RCS_getversion (finfo->rcs, tag, date, force_tag_match, NULL);
 266
 267     if (version == NULL)
 268         return 0;
 269
 270     /* Distinguish output for various files if we are processing
 271        several files.  */
 272     cvs_outerr ("\nAnnotations for ", 0);
 273     cvs_outerr (finfo->fullname, 0);
 274     cvs_outerr ("\n***************\n", 0);
 275
 276     if (!force_binary && expand && expand[0] == 'b')
 277     {
 278         cvs_outerr ("Skipping binary file -- -F not specified.\n", 0);
 279     }
 280     else
 281     {
 282         RCS_deltas (finfo->rcs, NULL, NULL,
 283                     version, RCS_ANNOTATE, NULL, NULL, NULL, NULL);
 284     }
 285     free (version);
 286     return 0;
 287 }