xref: /dragonfly/contrib/cvs-1.12/src/remove.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
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  * Remove a File
14  *
15  * Removes entries from the present version. The entries will be removed from
16  * the RCS repository upon the next "commit".
17  *
18  * "remove" accepts no options, only file names that are to be removed.  The
19  * file must not exist in the current directory for "remove" to work
20  * correctly.
21  */
22 
23 #include "cvs.h"
24 
25 #ifdef CLIENT_SUPPORT
26 static int remove_force_fileproc (void *callerdat,
27                                                    struct file_info *finfo);
28 #endif
29 static int remove_fileproc (void *callerdat, struct file_info *finfo);
30 static Dtype remove_dirproc (void *callerdat, const char *dir,
31                              const char *repos, const char *update_dir,
32                              List *entries);
33 
34 static int force;
35 static int local;
36 static int removed_files;
37 static int existing_files;
38 
39 static const char *const remove_usage[] =
40 {
41     "Usage: %s %s [-flR] [files...]\n",
42     "\t-f\tDelete the file before removing it.\n",
43     "\t-l\tProcess this directory only (not recursive).\n",
44     "\t-R\tProcess directories recursively.\n",
45     "(Specify the --help global option for a list of other help options)\n",
46     NULL
47 };
48 
49 int
cvsremove(int argc,char ** argv)50 cvsremove (int argc, char **argv)
51 {
52     int c, err;
53 
54     if (argc == -1)
55           usage (remove_usage);
56 
57     optind = 0;
58     while ((c = getopt (argc, argv, "+flR")) != -1)
59     {
60           switch (c)
61           {
62               case 'f':
63                     force = 1;
64                     break;
65               case 'l':
66                     local = 1;
67                     break;
68               case 'R':
69                     local = 0;
70                     break;
71               case '?':
72               default:
73                     usage (remove_usage);
74                     break;
75           }
76     }
77     argc -= optind;
78     argv += optind;
79 
80     wrap_setup ();
81 
82 #ifdef CLIENT_SUPPORT
83     if (current_parsed_root->isremote) {
84           /* Call expand_wild so that the local removal of files will
85            work.  It's ok to do it always because we have to send the
86            file names expanded anyway.  */
87           expand_wild (argc, argv, &argc, &argv);
88 
89           if (force)
90           {
91               if (!noexec)
92               {
93                     start_recursion (remove_force_fileproc, NULL, NULL, NULL,
94                                          NULL, argc, argv, local, W_LOCAL,
95                                          0, CVS_LOCK_NONE, NULL, 0, NULL);
96               }
97               /* else FIXME should probably act as if the file doesn't exist
98                  in doing the following checks.  */
99           }
100 
101           start_server ();
102           ign_setup ();
103           if (local)
104               send_arg("-l");
105           send_arg ("--");
106           /* FIXME: Can't we set SEND_NO_CONTENTS here?  Needs investigation.  */
107           send_files (argc, argv, local, 0, 0);
108           send_file_names (argc, argv, 0);
109           free_names (&argc, argv);
110           send_to_server ("remove\012", 0);
111         return get_responses_and_close ();
112     }
113 #endif
114 
115     /* start the recursion processor */
116     err = start_recursion (remove_fileproc, NULL, remove_dirproc, NULL,
117                                  NULL, argc, argv, local, W_LOCAL, 0,
118                                  CVS_LOCK_READ, NULL, 1, NULL);
119 
120     if (removed_files && !really_quiet)
121           error (0, 0, "use `%s commit' to remove %s permanently", program_name,
122                  (removed_files == 1) ? "this file" : "these files");
123 
124     if (existing_files)
125           error (0, 0,
126                  ((existing_files == 1) ?
127                     "%d file exists; remove it first" :
128                     "%d files exist; remove them first"),
129                  existing_files);
130 
131     return (err);
132 }
133 
134 #ifdef CLIENT_SUPPORT
135 
136 /*
137  * This is called via start_recursion if we are running as the client
138  * and the -f option was used.  We just physically remove the file.
139  */
140 
141 /*ARGSUSED*/
142 static int
remove_force_fileproc(void * callerdat,struct file_info * finfo)143 remove_force_fileproc (void *callerdat, struct file_info *finfo)
144 {
145     if (CVS_UNLINK (finfo->file) < 0 && ! existence_error (errno))
146           error (0, errno, "unable to remove %s", finfo->fullname);
147     return 0;
148 }
149 
150 #endif
151 
152 /*
153  * remove the file, only if it has already been physically removed
154  */
155 /* ARGSUSED */
156 static int
remove_fileproc(void * callerdat,struct file_info * finfo)157 remove_fileproc (void *callerdat, struct file_info *finfo)
158 {
159     Vers_TS *vers;
160 
161     if (force)
162     {
163           if (!noexec)
164           {
165               if ( CVS_UNLINK (finfo->file) < 0 && ! existence_error (errno))
166               {
167                     error (0, errno, "unable to remove %s", finfo->fullname);
168               }
169           }
170           /* else FIXME should probably act as if the file doesn't exist
171              in doing the following checks.  */
172     }
173 
174     vers = Version_TS (finfo, NULL, NULL, NULL, 0, 0);
175 
176     if (vers->ts_user != NULL)
177     {
178           existing_files++;
179           if (!quiet)
180               error (0, 0, "file `%s' still in working directory",
181                        finfo->fullname);
182     }
183     else if (vers->vn_user == NULL)
184     {
185           if (!quiet)
186               error (0, 0, "nothing known about `%s'", finfo->fullname);
187     }
188     else if (vers->vn_user[0] == '0' && vers->vn_user[1] == '\0')
189     {
190           char *fname;
191 
192           /*
193            * It's a file that has been added, but not commited yet. So,
194            * remove the ,t file for it and scratch it from the
195            * entries file.  */
196           Scratch_Entry (finfo->entries, finfo->file);
197           fname = Xasprintf ("%s/%s%s", CVSADM, finfo->file, CVSEXT_LOG);
198           if (unlink_file (fname) < 0
199               && !existence_error (errno))
200               error (0, errno, "cannot remove %s", CVSEXT_LOG);
201           if (!quiet)
202               error (0, 0, "removed `%s'", finfo->fullname);
203 
204 #ifdef SERVER_SUPPORT
205           if (server_active)
206               server_checked_in (finfo->file, finfo->update_dir, finfo->repository);
207 #endif
208           free (fname);
209     }
210     else if (vers->vn_user[0] == '-')
211     {
212           if (!quiet)
213               error (0, 0, "file `%s' already scheduled for removal",
214                        finfo->fullname);
215     }
216     else if (vers->tag != NULL && isdigit ((unsigned char) *vers->tag))
217     {
218           /* Commit will just give an error, and so there seems to be
219              little reason to allow the remove.  I mean, conflicts that
220              arise out of parallel development are one thing, but conflicts
221              that arise from sticky tags are quite another.
222 
223              I would have thought that non-branch sticky tags should be the
224              same but at least now, removing a file with a non-branch sticky
225              tag means to delete the tag from the file.  I'm not sure that
226              is a good behavior, but until it is changed, we need to allow
227              it.  */
228           error (0, 0, "\
229 cannot remove file `%s' which has a numeric sticky tag of `%s'",
230                  finfo->fullname, vers->tag);
231     }
232     else if (vers->date != NULL)
233     {
234           /* Commit will just give an error, and so there seems to be
235              little reason to allow the remove.  */
236           error (0, 0, "\
237 cannot remove file `%s' which has a sticky date of `%s'",
238                  finfo->fullname, vers->date);
239     }
240     else
241     {
242           char *fname;
243 
244           /* Re-register it with a negative version number.  */
245           fname = Xasprintf ("-%s", vers->vn_user);
246           Register (finfo->entries, finfo->file, fname, vers->ts_rcs,
247                       vers->options, vers->tag, vers->date, vers->ts_conflict);
248           if (!quiet)
249               error (0, 0, "scheduling `%s' for removal", finfo->fullname);
250           removed_files++;
251 
252 #ifdef SERVER_SUPPORT
253           if (server_active)
254               server_checked_in (finfo->file, finfo->update_dir, finfo->repository);
255 #endif
256           free (fname);
257     }
258 
259     freevers_ts (&vers);
260     return (0);
261 }
262 
263 
264 
265 /*
266  * Print a warm fuzzy message
267  */
268 /* ARGSUSED */
269 static Dtype
remove_dirproc(void * callerdat,const char * dir,const char * repos,const char * update_dir,List * entries)270 remove_dirproc (void *callerdat, const char *dir, const char *repos,
271                 const char *update_dir, List *entries)
272 {
273     if (!quiet)
274           error (0, 0, "Removing %s", update_dir);
275     return (R_PROCESS);
276 }
277