xref: /dragonfly/contrib/cvs-1.12/src/create_adm.c (revision 19fe1c42)
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  * Create Administration.
14  *
15  * Creates a CVS administration directory based on the argument repository; the
16  * "Entries" file is prefilled from the "initrecord" argument.
17  */
18 
19 #include "cvs.h"
20 
21 
22 
23 /* update_dir includes dir as its last component.
24 
25    Return value is 0 for success, or 1 if we printed a warning message.
26    Note that many errors are still fatal; particularly for unlikely errors
27    a fatal error is probably better than a warning which might be missed
28    or after which CVS might do something non-useful.  If WARN is zero, then
29    don't print warnings; all errors are fatal then.  */
30 
31 int
32 Create_Admin (const char *dir, const char *update_dir, const char *repository,
33               const char *tag, const char *date, int nonbranch, int warn,
34               int dotemplate)
35 {
36     FILE *fout;
37     char *cp;
38     char *reposcopy;
39     char *tmp;
40 
41     TRACE (TRACE_FUNCTION, "Create_Admin (%s, %s, %s, %s, %s, %d, %d, %d)",
42 	   dir, update_dir, repository, tag ? tag : "",
43 	   date ? date : "", nonbranch, warn, dotemplate);
44 
45     if (noexec)
46 	return 0;
47 
48     tmp = Xasprintf ("%s/%s", dir, CVSADM);
49     if (isfile (tmp))
50 	error (1, 0, "there is a version in %s already", update_dir);
51 
52     if (CVS_MKDIR (tmp, 0777) < 0)
53     {
54 	free (tmp);
55 	tmp = NULL;
56 
57 	/* We want to print out the entire update_dir, since a lot of
58 	   our code calls this function with dir == "." or dir ==
59 	   NULL.  I hope that gives enough information in cases like
60 	   absolute pathnames; printing out xgetcwd() or something would
61 	   be way too verbose in the common cases.  */
62 
63 	if (warn)
64 	{
65 	    /* The reason that this is a warning, rather than silently
66 	       just skipping creating the directory, is that we don't want
67 	       CVS's behavior to vary subtly based on factors (like directory
68 	       permissions) which are not made clear to the user.  With
69 	       the warning at least we let them know what is going on.  */
70 	    error (0, errno, "warning: cannot make directory %s in %s",
71 		   CVSADM, update_dir);
72 	    return 1;
73 	}
74 	else
75 	    error (1, errno, "cannot make directory %s in %s",
76 		   CVSADM, update_dir);
77     }
78     else
79     {
80 	free (tmp);
81 	tmp = NULL;
82     }
83 
84     /* record the current cvs root for later use */
85 
86     Create_Root (dir, original_parsed_root->original);
87     if (dir != NULL)
88 	tmp = Xasprintf ("%s/%s", dir, CVSADM_REP);
89     else
90 	tmp = xstrdup (CVSADM_REP);
91     fout = CVS_FOPEN (tmp, "w+");
92     if (fout == NULL)
93     {
94 	if (update_dir[0] == '\0')
95 	    error (1, errno, "cannot open %s", tmp);
96 	else
97 	    error (1, errno, "cannot open %s/%s", update_dir, CVSADM_REP);
98     }
99     reposcopy = xstrdup (repository);
100     Sanitize_Repository_Name (reposcopy);
101 
102     /* The top level of the repository is a special case -- we need to
103        write it with an extra dot at the end.  This trailing `.' stuff
104        rubs me the wrong way -- on the other hand, I don't want to
105        spend the time making sure all of the code can handle it if we
106        don't do it. */
107 
108     if (strcmp (reposcopy, current_parsed_root->directory) == 0)
109     {
110 	reposcopy = xrealloc (reposcopy, strlen (reposcopy) + 3);
111 	strcat (reposcopy, "/.");
112     }
113 
114     cp = reposcopy;
115 
116     /*
117      * If the Repository file is to hold a relative path, try to strip off
118      * the leading CVSroot argument.
119      */
120     {
121 	char *path = Xasprintf ("%s/", current_parsed_root->directory);
122 	if (strncmp (cp, path, strlen (path)) == 0)
123 	    cp += strlen (path);
124 	free (path);
125     }
126 
127     if (fprintf (fout, "%s\n", cp) < 0)
128     {
129 	if (update_dir[0] == '\0')
130 	    error (1, errno, "write to %s failed", tmp);
131 	else
132 	    error (1, errno, "write to %s/%s failed", update_dir, CVSADM_REP);
133     }
134     if (fclose (fout) == EOF)
135     {
136 	if (update_dir[0] == '\0')
137 	    error (1, errno, "cannot close %s", tmp);
138 	else
139 	    error (1, errno, "cannot close %s/%s", update_dir, CVSADM_REP);
140     }
141 
142     /* now, do the Entries file */
143     if (dir != NULL)
144 	(void) sprintf (tmp, "%s/%s", dir, CVSADM_ENT);
145     else
146 	(void) strcpy (tmp, CVSADM_ENT);
147     fout = CVS_FOPEN (tmp, "w+");
148     if (fout == NULL)
149     {
150 	if (update_dir[0] == '\0')
151 	    error (1, errno, "cannot open %s", tmp);
152 	else
153 	    error (1, errno, "cannot open %s/%s", update_dir, CVSADM_ENT);
154     }
155     if (fclose (fout) == EOF)
156     {
157 	if (update_dir[0] == '\0')
158 	    error (1, errno, "cannot close %s", tmp);
159 	else
160 	    error (1, errno, "cannot close %s/%s", update_dir, CVSADM_ENT);
161     }
162 
163     /* Create a new CVS/Tag file */
164     WriteTag (dir, tag, date, nonbranch, update_dir, repository);
165 
166     TRACE (TRACE_FUNCTION, "Create_Admin");
167 
168     free (reposcopy);
169     free (tmp);
170     return 0;
171 }
172