xref: /netbsd-src/external/gpl2/xcvs/dist/src/create_adm.c (revision c796a4efe9fee181b4ba1b5a694d614ea3191b3b)
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 #include <sys/cdefs.h>
19 __RCSID("$NetBSD: create_adm.c,v 1.3 2018/04/29 15:47:01 christos Exp $");
20 
21 #include "cvs.h"
22 
23 
24 
25 /* update_dir includes dir as its last component.
26 
27    Return value is 0 for success, or 1 if we printed a warning message.
28    Note that many errors are still fatal; particularly for unlikely errors
29    a fatal error is probably better than a warning which might be missed
30    or after which CVS might do something non-useful.  If WARN is zero, then
31    don't print warnings; all errors are fatal then.  */
32 
33 int
Create_Admin(const char * dir,const char * update_dir,const char * repository,const char * tag,const char * date,int nonbranch,int warn,int dotemplate)34 Create_Admin (const char *dir, const char *update_dir, const char *repository,
35               const char *tag, const char *date, int nonbranch, int warn,
36               int dotemplate)
37 {
38     FILE *fout;
39     char *cp;
40     char *reposcopy;
41     char *tmp;
42 
43     TRACE (TRACE_FUNCTION, "Create_Admin (%s, %s, %s, %s, %s, %d, %d, %d)",
44 	   dir, update_dir, repository, tag ? tag : "",
45 	   date ? date : "", nonbranch, warn, dotemplate);
46 
47     if (noexec)
48 	return 0;
49 
50     tmp = Xasprintf ("%s/%s", dir, CVSADM);
51     if (isfile (tmp))
52     {
53 	error (0, 0, "there is a version in %s already", update_dir);
54     }
55 
56     if (CVS_MKDIR (tmp, 0777) < 0)
57     {
58 	free (tmp);
59 	tmp = NULL;
60 
61 	/* We want to print out the entire update_dir, since a lot of
62 	   our code calls this function with dir == "." or dir ==
63 	   NULL.  I hope that gives enough information in cases like
64 	   absolute pathnames; printing out xgetcwd() or something would
65 	   be way too verbose in the common cases.  */
66 
67 	if (warn)
68 	{
69 	    /* The reason that this is a warning, rather than silently
70 	       just skipping creating the directory, is that we don't want
71 	       CVS's behavior to vary subtly based on factors (like directory
72 	       permissions) which are not made clear to the user.  With
73 	       the warning at least we let them know what is going on.  */
74 	    error (0, errno, "warning: cannot make directory %s in %s",
75 		   CVSADM, update_dir);
76 	    return 1;
77 	}
78 	else
79 	    error (1, errno, "cannot make directory %s in %s",
80 		   CVSADM, update_dir);
81     }
82     else
83     {
84 	free (tmp);
85 	tmp = NULL;
86     }
87 
88     /* record the current cvs root for later use */
89 
90     Create_Root (dir, original_parsed_root->original);
91     if (dir != NULL)
92 	tmp = Xasprintf ("%s/%s", dir, CVSADM_REP);
93     else
94 	tmp = xstrdup (CVSADM_REP);
95     fout = CVS_FOPEN (tmp, "w+");
96     if (fout == NULL)
97     {
98 	if (update_dir[0] == '\0')
99 	    error (1, errno, "cannot open %s", tmp);
100 	else
101 	    error (1, errno, "cannot open %s/%s", update_dir, CVSADM_REP);
102     }
103     reposcopy = xstrdup (repository);
104     Sanitize_Repository_Name (reposcopy);
105 
106     /* The top level of the repository is a special case -- we need to
107        write it with an extra dot at the end.  This trailing `.' stuff
108        rubs me the wrong way -- on the other hand, I don't want to
109        spend the time making sure all of the code can handle it if we
110        don't do it. */
111 
112     if (strcmp (reposcopy, current_parsed_root->directory) == 0)
113     {
114 	reposcopy = xrealloc (reposcopy, strlen (reposcopy) + 3);
115 	strcat (reposcopy, "/.");
116     }
117 
118     cp = reposcopy;
119 
120     /*
121      * If the Repository file is to hold a relative path, try to strip off
122      * the leading CVSroot argument.
123      */
124     {
125 	char *path = Xasprintf ("%s/", current_parsed_root->directory);
126 	if (strncmp (cp, path, strlen (path)) == 0)
127 	    cp += strlen (path);
128 	free (path);
129     }
130 
131     if (fprintf (fout, "%s\n", cp) < 0)
132     {
133 	if (update_dir[0] == '\0')
134 	    error (1, errno, "write to %s failed", tmp);
135 	else
136 	    error (1, errno, "write to %s/%s failed", update_dir, CVSADM_REP);
137     }
138     if (fclose (fout) == EOF)
139     {
140 	if (update_dir[0] == '\0')
141 	    error (1, errno, "cannot close %s", tmp);
142 	else
143 	    error (1, errno, "cannot close %s/%s", update_dir, CVSADM_REP);
144     }
145 
146     /* now, do the Entries file */
147     if (dir != NULL)
148 	(void) sprintf (tmp, "%s/%s", dir, CVSADM_ENT);
149     else
150 	(void) strcpy (tmp, CVSADM_ENT);
151     fout = CVS_FOPEN (tmp, "w+");
152     if (fout == NULL)
153     {
154 	if (update_dir[0] == '\0')
155 	    error (1, errno, "cannot open %s", tmp);
156 	else
157 	    error (1, errno, "cannot open %s/%s", update_dir, CVSADM_ENT);
158     }
159     if (fclose (fout) == EOF)
160     {
161 	if (update_dir[0] == '\0')
162 	    error (1, errno, "cannot close %s", tmp);
163 	else
164 	    error (1, errno, "cannot close %s/%s", update_dir, CVSADM_ENT);
165     }
166 
167     /* Create a new CVS/Tag file */
168     WriteTag (dir, tag, date, nonbranch, update_dir, repository);
169 
170     TRACE (TRACE_FUNCTION, "Create_Admin");
171 
172     free (reposcopy);
173     free (tmp);
174     return 0;
175 }
176