summaryrefslogtreecommitdiffstats
path: root/contrib/cvs/src/repos.c
blob: 7beaabacf80642bffaa245c71a182b2d71169825 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/*
 * Copyright (c) 1992, Brian Berliner and Jeff Polk
 * Copyright (c) 1989-1992, Brian Berliner
 * 
 * You may distribute under the terms of the GNU General Public License as
 * specified in the README file that comes with the CVS 1.4 kit.
 */

#include "cvs.h"

/* Determine the name of the RCS repository for directory DIR in the
   current working directory, or for the current working directory
   itself if DIR is NULL.  Returns the name in a newly-malloc'd
   string.  On error, gives a fatal error and does not return.
   UPDATE_DIR is the path from where cvs was invoked (for use in error
   messages), and should contain DIR as its last component.
   UPDATE_DIR can be NULL to signify the directory in which cvs was
   invoked.  */

char *
Name_Repository (dir, update_dir)
    char *dir;
    char *update_dir;
{
    FILE *fpin;
    char *ret, *xupdate_dir;
    char repos[PATH_MAX];
    char path[PATH_MAX];
    char tmp[PATH_MAX];
    char cvsadm[PATH_MAX];
    char *cp;

    if (update_dir && *update_dir)
	xupdate_dir = update_dir;
    else
	xupdate_dir = ".";

    if (dir != NULL)
	(void) sprintf (cvsadm, "%s/%s", dir, CVSADM);
    else
	(void) strcpy (cvsadm, CVSADM);

    /* sanity checks */
    if (!isdir (cvsadm))
    {
	error (0, 0, "in directory %s:", xupdate_dir);
	error (1, 0, "there is no version here; do '%s checkout' first",
	       program_name);
    }

    if (dir != NULL)
	(void) sprintf (tmp, "%s/%s", dir, CVSADM_ENT);
    else
	(void) strcpy (tmp, CVSADM_ENT);

    if (!isreadable (tmp))
    {
	error (0, 0, "in directory %s:", xupdate_dir);
	error (1, 0, "*PANIC* administration files missing");
    }

    if (dir != NULL)
	(void) sprintf (tmp, "%s/%s", dir, CVSADM_REP);
    else
	(void) strcpy (tmp, CVSADM_REP);

    if (!isreadable (tmp))
    {
	error (0, 0, "in directory %s:", xupdate_dir);
	error (1, 0, "*PANIC* administration files missing");
    }

    /*
     * The assumption here is that the repository is always contained in the
     * first line of the "Repository" file.
     */
    fpin = open_file (tmp, "r");

    if (fgets (repos, PATH_MAX, fpin) == NULL)
    {
	error (0, 0, "in directory %s:", xupdate_dir);
	error (1, errno, "cannot read %s", CVSADM_REP);
    }
    (void) fclose (fpin);
    if ((cp = strrchr (repos, '\n')) != NULL)
	*cp = '\0';			/* strip the newline */

    /*
     * If this is a relative repository pathname, turn it into an absolute
     * one by tacking on the CVSROOT environment variable. If the CVSROOT
     * environment variable is not set, die now.
     */
    if (strcmp (repos, "..") == 0 || strncmp (repos, "../", 3) == 0)
    {
	error (0, 0, "in directory %s:", xupdate_dir);
	error (0, 0, "`..'-relative repositories are not supported.");
	error (1, 0, "illegal source repository");
    }
    if (! isabsolute(repos))
    {
	if (CVSroot == NULL)
	{
	    error (0, 0, "in directory %s:", xupdate_dir);
	    error (0, 0, "must set the CVSROOT environment variable\n");
	    error (0, 0, "or specify the '-d' option to %s.", program_name);
	    error (1, 0, "illegal repository setting");
	}
	(void) strcpy (path, repos);
	(void) sprintf (repos, "%s/%s", CVSroot, path);
    }
#ifdef CLIENT_SUPPORT
    if (!client_active && !isdir (repos))
#else
    if (!isdir (repos))
#endif
    {
	error (0, 0, "in directory %s:", xupdate_dir);
	error (1, 0, "there is no repository %s", repos);
    }

    /* allocate space to return and fill it in */
    strip_path (repos);
    ret = xstrdup (repos);
    return (ret);
}

/*
 * Return a pointer to the repository name relative to CVSROOT from a
 * possibly fully qualified repository
 */
char *
Short_Repository (repository)
    char *repository;
{
    if (repository == NULL)
	return (NULL);

    /* If repository matches CVSroot at the beginning, strip off CVSroot */
    /* And skip leading '/' in rep, in case CVSroot ended with '/'. */
    if (strncmp (CVSroot, repository, strlen (CVSroot)) == 0)
    {
	char *rep = repository + strlen (CVSroot);
	return (*rep == '/') ? rep+1 : rep;
    }
    else
	return (repository);
}
OpenPOWER on IntegriCloud