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 * Check In
14 *
15 * Does a very careful checkin of the file "user", and tries not to spoil its
16 * modification time (to avoid needless recompilations). When RCS ID keywords
17 * get expanded on checkout, however, the modification time is updated and
18 * there is no good way to get around this.
19 *
20 * Returns non-zero on error.
21 */
22
23 #include "cvs.h"
24 #include "fileattr.h"
25 #include "edit.h"
26
27 int
Checkin(int type,struct file_info * finfo,char * rev,char * tag,char * options,char * message)28 Checkin (int type, struct file_info *finfo, char *rev, char *tag,
29 char *options, char *message)
30 {
31 Vers_TS *vers;
32 int set_time;
33 char *tocvsPath = NULL;
34
35 tocvsPath = wrap_tocvs_process_file (finfo->file);
36 if (!noexec)
37 {
38 if (tocvsPath)
39 {
40 if (unlink_file_dir (finfo->file) < 0)
41 if (! existence_error (errno))
42 error (1, errno, "cannot remove %s", finfo->fullname);
43 rename_file (tocvsPath, finfo->file);
44 }
45 }
46
47 /* There use to be a check for finfo->rcs == NULL here and then a
48 * call to RCS_parse when necessary, but Checkin() isn't called
49 * if the RCS file hasn't already been parsed in one of the
50 * check functions.
51 */
52 assert (finfo->rcs != NULL);
53
54 switch (RCS_checkin (finfo->rcs, finfo->update_dir, finfo->file, message,
55 rev, 0, RCS_FLAGS_KEEPFILE))
56 {
57 case 0: /* everything normal */
58
59 /* The checkin succeeded. If checking the file out again
60 would not cause any changes, we are done. Otherwise,
61 we need to check out the file, which will change the
62 modification time of the file.
63
64 The only way checking out the file could cause any
65 changes is if the file contains RCS keywords. So we if
66 we are not expanding RCS keywords, we are done. */
67
68 if (strcmp (options, "-V4") == 0) /* upgrade to V5 now */
69 options[0] = '\0';
70
71 /* FIXME: If PreservePermissions is on, RCS_cmp_file is
72 going to call RCS_checkout into a temporary file
73 anyhow. In that case, it would be more efficient to
74 call RCS_checkout here, compare the resulting files
75 using xcmp, and rename if necessary. I think this
76 should be fixed in RCS_cmp_file. */
77 if ((1
78 #ifdef PRESERVE_PERMISSIONS_SUPPORT
79 !config->preserve_perms
80 #endif /* PRESERVE_PERMISSIONS_SUPPORT */
81 && options
82 && (!strcmp (options, "-ko") || !strcmp (options, "-kb")))
83 || !RCS_cmp_file (finfo->rcs, rev, NULL, NULL,
84 options, finfo->file))
85 {
86 /* The existing file is correct. We don't have to do
87 anything. */
88 set_time = 0;
89 }
90 else
91 {
92 /* The existing file is incorrect. We need to check
93 out the correct file contents. */
94 if (RCS_checkout (finfo->rcs, finfo->file, rev, NULL,
95 options, RUN_TTY, NULL, NULL) != 0)
96 error (1, 0, "failed when checking out new copy of %s",
97 finfo->fullname);
98 xchmod (finfo->file, 1);
99 set_time = 1;
100 }
101
102 wrap_fromcvs_process_file (finfo->file);
103
104 /*
105 * If we want read-only files, muck the permissions here, before
106 * getting the file time-stamp.
107 */
108 if (!cvswrite || fileattr_get (finfo->file, "_watched"))
109 xchmod (finfo->file, 0);
110
111 /* Re-register with the new data. */
112 vers = Version_TS (finfo, NULL, tag, NULL, 1, set_time);
113 if (strcmp (vers->options, "-V4") == 0)
114 vers->options[0] = '\0';
115 Register (finfo->entries, finfo->file, vers->vn_rcs, vers->ts_user,
116 vers->options, vers->tag, vers->date, NULL);
117 history_write (type, NULL, vers->vn_rcs,
118 finfo->file, finfo->repository);
119
120 if (tocvsPath)
121 if (unlink_file_dir (tocvsPath) < 0)
122 error (0, errno, "cannot remove %s", tocvsPath);
123
124 break;
125
126 case -1: /* fork failed */
127 if (tocvsPath)
128 if (unlink_file_dir (tocvsPath) < 0)
129 error (0, errno, "cannot remove %s", tocvsPath);
130
131 if (!noexec)
132 error (1, errno, "could not check in %s -- fork failed",
133 finfo->fullname);
134 return (1);
135
136 default: /* ci failed */
137
138 /* The checkin failed, for some unknown reason, so we
139 print an error, and return an error. We assume that
140 the original file has not been touched. */
141 if (tocvsPath)
142 if (unlink_file_dir (tocvsPath) < 0)
143 error (0, errno, "cannot remove %s", tocvsPath);
144
145 if (!noexec)
146 error (0, 0, "could not check in %s", finfo->fullname);
147 return (1);
148 }
149
150 /*
151 * When checking in a specific revision, we may have locked the wrong
152 * branch, so to be sure, we do an extra unlock here before
153 * returning.
154 */
155 if (rev)
156 {
157 (void) RCS_unlock (finfo->rcs, NULL, 1);
158 RCS_rewrite (finfo->rcs, NULL, NULL);
159 }
160
161 #ifdef SERVER_SUPPORT
162 if (server_active)
163 {
164 if (set_time)
165 /* Need to update the checked out file on the client side. */
166 server_updated (finfo, vers, SERVER_UPDATED,
167 (mode_t) -1, NULL, NULL);
168 else
169 server_checked_in (finfo->file, finfo->update_dir,
170 finfo->repository);
171 }
172 else
173 #endif
174 mark_up_to_date (finfo->file);
175
176 freevers_ts (&vers);
177 return 0;
178 }
179