diplodocus.org Git - nmh/blob - uip/refile.c

   1
   2 /*
   3  * refile.c -- move or link message(s) from a source folder
   4  *          -- into one or more destination folders
   5  *
   6  * $Id$
   7  *
   8  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   9  * COPYRIGHT file in the root directory of the nmh distribution for
  10  * complete copyright information.
  11  */
  12
  13 #include <h/mh.h>
  14 #include <h/utils.h>
  15 #include <fcntl.h>
  16 #include <errno.h>
  17
  18 static struct swit switches[] = {
  19 #define DRAFTSW          0
  20     { "draft", 0 },
  21 #define LINKSW           1
  22     { "link", 0 },
  23 #define NLINKSW          2
  24     { "nolink", 0 },
  25 #define PRESSW           3
  26     { "preserve", 0 },
  27 #define NPRESSW          4
  28     { "nopreserve", 0 },
  29 #define UNLINKSW         5
  30     { "unlink", 0 },
  31 #define NUNLINKSW        6
  32     { "nounlink", 0 },
  33 #define SRCSW            7
  34     { "src +folder", 0 },
  35 #define FILESW           8
  36     { "file file", 0 },
  37 #define RPROCSW          9
  38     { "rmmproc program", 0 },
  39 #define NRPRCSW         10
  40     { "normmproc", 0 },
  41 #define VERSIONSW       11
  42     { "version", 0 },
  43 #define HELPSW          12
  44     { "help", 0 },
  45     { NULL, 0 }
  46 };
  47
  48 static char maildir[BUFSIZ];
  49
  50 struct st_fold {
  51     char *f_name;
  52     struct msgs *f_mp;
  53 };
  54
  55 /*
  56  * static prototypes
  57  */
  58 static void opnfolds (struct st_fold *, int);
  59 static void clsfolds (struct st_fold *, int);
  60 static void remove_files (int, char **);
  61 static int m_file (char *, struct st_fold *, int, int, int);
  62
  63
  64 int
  65 main (int argc, char **argv)
  66 {
  67     int linkf = 0, preserve = 0, filep = 0;
  68     int foldp = 0, isdf = 0, unlink_msgs = 0;
  69     int i, msgnum;
  70     char *cp, *folder = NULL, buf[BUFSIZ];
  71     char **argp, **arguments;
  72     char *filevec[NFOLDERS + 2];
  73     char **files = &filevec[1];    /* leave room for remove_files:vec[0] */
  74     struct st_fold folders[NFOLDERS + 1];
  75     struct msgs_array msgs = { 0, 0, NULL };
  76     struct msgs *mp;
  77
  78 #ifdef LOCALE
  79     setlocale(LC_ALL, "");
  80 #endif
  81     invo_name = r1bindex (argv[0], '/');
  82
  83     /* read user profile/context */
  84     context_read();
  85
  86     arguments = getarguments (invo_name, argc, argv, 1);
  87     argp = arguments;
  88
  89     /*
  90      * Parse arguments
  91      */
  92     while ((cp = *argp++)) {
  93         if (*cp == '-') {
  94             switch (smatch (++cp, switches)) {
  95             case AMBIGSW:
  96                 ambigsw (cp, switches);
  97                 done (1);
  98             case UNKWNSW:
  99                 adios (NULL, "-%s unknown\n", cp);
 100
 101             case HELPSW:
 102                 snprintf (buf, sizeof(buf), "%s [msgs] [switches] +folder ...",
 103                           invo_name);
 104                 print_help (buf, switches, 1);
 105                 done (1);
 106             case VERSIONSW:
 107                 print_version(invo_name);
 108                 done (1);
 109
 110             case LINKSW:
 111                 linkf++;
 112                 continue;
 113             case NLINKSW:
 114                 linkf = 0;
 115                 continue;
 116
 117             case PRESSW:
 118                 preserve++;
 119                 continue;
 120             case NPRESSW:
 121                 preserve = 0;
 122                 continue;
 123
 124             case UNLINKSW:
 125                 unlink_msgs++;
 126                 continue;
 127             case NUNLINKSW:
 128                 unlink_msgs = 0;
 129                 continue;
 130
 131             case SRCSW:
 132                 if (folder)
 133                     adios (NULL, "only one source folder at a time!");
 134                 if (!(cp = *argp++) || *cp == '-')
 135                     adios (NULL, "missing argument to %s", argp[-2]);
 136                 folder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 137                                *cp != '@' ? TFOLDER : TSUBCWF);
 138                 continue;
 139             case DRAFTSW:
 140                 if (filep > NFOLDERS)
 141                     adios (NULL, "only %d files allowed!", NFOLDERS);
 142                 isdf = 0;
 143                 files[filep++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
 144                 continue;
 145             case FILESW:
 146                 if (filep > NFOLDERS)
 147                     adios (NULL, "only %d files allowed!", NFOLDERS);
 148                 if (!(cp = *argp++) || *cp == '-')
 149                     adios (NULL, "missing argument to %s", argp[-2]);
 150                 files[filep++] = path (cp, TFILE);
 151                 continue;
 152
 153             case RPROCSW:
 154                 if (!(rmmproc = *argp++) || *rmmproc == '-')
 155                     adios (NULL, "missing argument to %s", argp[-2]);
 156                 continue;
 157             case NRPRCSW:
 158                 rmmproc = NULL;
 159                 continue;
 160             }
 161         }
 162         if (*cp == '+' || *cp == '@') {
 163             if (foldp > NFOLDERS)
 164                 adios (NULL, "only %d folders allowed!", NFOLDERS);
 165             folders[foldp++].f_name =
 166                 pluspath (cp);
 167         } else
 168                 app_msgarg(&msgs, cp);
 169     }
 170
 171     if (!context_find ("path"))
 172         free (path ("./", TFOLDER));
 173     if (foldp == 0)
 174         adios (NULL, "no folder specified");
 175
 176 #ifdef WHATNOW
 177     if (!msgs.size && !foldp && !filep && (cp = getenv ("mhdraft")) && *cp)
 178         files[filep++] = cp;
 179 #endif /* WHATNOW */
 180
 181     /*
 182      * We are refiling a file to the folders
 183      */
 184     if (filep > 0) {
 185         if (folder || msgs.size)
 186             adios (NULL, "use -file or some messages, not both");
 187         opnfolds (folders, foldp);
 188         for (i = 0; i < filep; i++)
 189             if (m_file (files[i], folders, foldp, preserve, 0))
 190                 done (1);
 191         /* If -nolink, then "remove" files */
 192         if (!linkf)
 193             remove_files (filep, filevec);
 194         done (0);
 195     }
 196
 197     if (!msgs.size)
 198         app_msgarg(&msgs, "cur");
 199     if (!folder)
 200         folder = getfolder (1);
 201     strncpy (maildir, m_maildir (folder), sizeof(maildir));
 202
 203     if (chdir (maildir) == NOTOK)
 204         adios (maildir, "unable to change directory to");
 205
 206     /* read source folder and create message structure */
 207     if (!(mp = folder_read (folder)))
 208         adios (NULL, "unable to read folder %s", folder);
 209
 210     /* check for empty folder */
 211     if (mp->nummsg == 0)
 212         adios (NULL, "no messages in %s", folder);
 213
 214     /* parse the message range/sequence/name and set SELECTED */
 215     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 216         if (!m_convert (mp, msgs.msgs[msgnum]))
 217             done (1);
 218     seq_setprev (mp);   /* set the previous-sequence */
 219
 220     /* create folder structures for each destination folder */
 221     opnfolds (folders, foldp);
 222
 223     /* Link all the selected messages into destination folders.
 224      *
 225      * This causes the add hook to be run for messages that are
 226      * linked into another folder.  The refile hook is run for
 227      * messages that are moved to another folder.
 228      */
 229     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 230         if (is_selected (mp, msgnum)) {
 231             cp = getcpy (m_name (msgnum));
 232             if (m_file (cp, folders, foldp, preserve, !linkf))
 233                 done (1);
 234             free (cp);
 235         }
 236     }
 237
 238     /*
 239      * This is a hack.  If we are using an external rmmproc,
 240      * then save the current folder to the context file,
 241      * so the external rmmproc will remove files from the correct
 242      * directory.  This should be moved to folder_delmsgs().
 243      */
 244     if (rmmproc) {
 245         context_replace (pfolder, folder);
 246         context_save ();
 247         fflush (stdout);
 248     }
 249
 250     /* If -nolink, then "remove" messages from source folder.
 251      *
 252      * Note that folder_delmsgs does not call the delete hook
 253      * because the message has already been handled above.
 254      */
 255     if (!linkf) {
 256         folder_delmsgs (mp, unlink_msgs, 1);
 257     }
 258
 259     clsfolds (folders, foldp);
 260
 261     if (mp->hghsel != mp->curmsg
 262         && (mp->numsel != mp->nummsg || linkf))
 263         seq_setcur (mp, mp->hghsel);
 264     seq_save (mp);      /* synchronize message sequences */
 265
 266     context_replace (pfolder, folder);  /* update current folder   */
 267     context_save ();                    /* save the context file   */
 268     folder_free (mp);                   /* free folder structure   */
 269     done (0);
 270     return 1;
 271 }
 272
 273
 274 /*
 275  * Read all the destination folders and
 276  * create folder structures for all of them.
 277  */
 278
 279 static void
 280 opnfolds (struct st_fold *folders, int nfolders)
 281 {
 282     char nmaildir[BUFSIZ];
 283     register struct st_fold *fp, *ep;
 284     register struct msgs *mp;
 285
 286     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 287         chdir (m_maildir (""));
 288         strncpy (nmaildir, m_maildir (fp->f_name), sizeof(nmaildir));
 289
 290     create_folder (nmaildir, 0, done);
 291
 292         if (chdir (nmaildir) == NOTOK)
 293             adios (nmaildir, "unable to change directory to");
 294         if (!(mp = folder_read (fp->f_name)))
 295             adios (NULL, "unable to read folder %s", fp->f_name);
 296         mp->curmsg = 0;
 297
 298         fp->f_mp = mp;
 299
 300         chdir (maildir);
 301     }
 302 }
 303
 304
 305 /*
 306  * Set the Previous-Sequence and then sychronize the
 307  * sequence file, for each destination folder.
 308  */
 309
 310 static void
 311 clsfolds (struct st_fold *folders, int nfolders)
 312 {
 313     register struct st_fold *fp, *ep;
 314     register struct msgs *mp;
 315
 316     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 317         mp = fp->f_mp;
 318         seq_setprev (mp);
 319         seq_save (mp);
 320     }
 321 }
 322
 323
 324 /*
 325  * If you have a "rmmproc" defined, we called that
 326  * to remove all the specified files.  If "rmmproc"
 327  * is not defined, then just unlink the files.
 328  */
 329
 330 static void
 331 remove_files (int filep, char **files)
 332 {
 333     int i;
 334     char **vec;
 335
 336     /* If rmmproc is defined, we use that */
 337     if (rmmproc) {
 338         vec = files++;          /* vec[0] = filevec[0] */
 339         files[filep] = NULL;    /* NULL terminate list */
 340
 341         fflush (stdout);
 342         vec[0] = r1bindex (rmmproc, '/');
 343         execvp (rmmproc, vec);
 344         adios (rmmproc, "unable to exec");
 345     }
 346
 347     /* Else just unlink the files */
 348     files++;    /* advance past filevec[0] */
 349     for (i = 0; i < filep; i++) {
 350         if (unlink (files[i]) == NOTOK)
 351             admonish (files[i], "unable to unlink");
 352     }
 353 }
 354
 355
 356 /*
 357  * Link (or copy) the message into each of
 358  * the destination folders.
 359  */
 360
 361 static int
 362 m_file (char *msgfile, struct st_fold *folders, int nfolders, int preserve, int refile)
 363 {
 364     int msgnum;
 365     struct st_fold *fp, *ep;
 366
 367     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 368         if ((msgnum = folder_addmsg (&fp->f_mp, msgfile, 1, 0, preserve, nfolders == 1 && refile, maildir)) == -1)
 369             return 1;
 370     }
 371     return 0;
 372 }