xref: /netbsd-src/external/gpl2/xcvs/dist/src/mkmodules.c (revision 274254cdae52594c1aa480a736aef78313d15c9c)
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 kit.  */
12 
13 #include "cvs.h"
14 #include "getline.h"
15 #include "history.h"
16 #include "save-cwd.h"
17 
18 #ifndef DBLKSIZ
19 #define	DBLKSIZ	4096			/* since GNU ndbm doesn't define it */
20 #endif
21 
22 static int checkout_file (char *file, char *temp);
23 static char *make_tempfile (void);
24 static void rename_rcsfile (char *temp, char *real);
25 
26 #ifndef MY_NDBM
27 static void rename_dbmfile (char *temp);
28 static void write_dbmfile (char *temp);
29 #endif				/* !MY_NDBM */
30 
31 /* Structure which describes an administrative file.  */
32 struct admin_file {
33    /* Name of the file, within the CVSROOT directory.  */
34    char *filename;
35 
36    /* This is a one line description of what the file is for.  It is not
37       currently used, although one wonders whether it should be, somehow.
38       If NULL, then don't process this file in mkmodules (FIXME?: a bit of
39       a kludge; probably should replace this with a flags field).  */
40    char *errormsg;
41 
42    /* Contents which the file should have in a new repository.  To avoid
43       problems with brain-dead compilers which choke on long string constants,
44       this is a pointer to an array of char * terminated by NULL--each of
45       the strings is concatenated.
46 
47       If this field is NULL, the file is not created in a new
48       repository, but it can be added with "cvs add" (just as if one
49       had created the repository with a version of CVS which didn't
50       know about the file) and the checked-out copy will be updated
51       without having to add it to checkoutlist.  */
52    const char * const *contents;
53 };
54 
55 static const char *const loginfo_contents[] = {
56     "# The \"loginfo\" file controls where \"cvs commit\" log information is\n",
57     "# sent. The first entry on a line is a regular expression which must\n",
58     "# match the directory that the change is being made to, relative to the\n",
59     "# $CVSROOT.  If a match is found, then the remainder of the line is a\n",
60     "# filter program that should expect log information on its standard input.\n",
61     "#\n",
62     "# If the repository name does not match any of the regular expressions in this\n",
63     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
64     "#\n",
65     "# If the name ALL appears as a regular expression it is always used\n",
66     "# in addition to the first matching regex or DEFAULT.\n",
67     "#\n",
68     "# If any format strings are present in the filter, they will be replaced\n",
69     "# as follows:\n",
70     "#    %c = canonical name of the command being executed\n",
71 #ifdef PROXY_SUPPORT
72     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
73 #endif
74     "#    %p = path relative to repository\n",
75     "#    %r = repository (path portion of $CVSROOT)\n",
76     "#    %{sVv} = attribute list = file name, old version number (pre-checkin),\n",
77     "#           new version number (post-checkin).  When either old or new revision\n",
78     "#           is unknown, doesn't exist, or isn't applicable, the string \"NONE\"\n",
79     "#           will be placed on the command line instead.\n",
80     "#\n",
81     "# Note that %{sVv} is a list operator and not all elements are necessary.\n",
82     "# Thus %{sv} is a legal format string, but will only be replaced with\n",
83     "# file name and new revision.\n",
84     "# It also generates multiple arguments for each file being operated upon.\n",
85     "# That is, if two files, file1 & file2, are being commited from 1.1 to\n",
86     "# version 1.1.2.1 and from 1.1.2.2 to 1.1.2.3, respectively, %{sVv} will\n",
87     "# generate the following six arguments in this order:\n",
88     "# file1, 1.1, 1.1.2.1, file2, 1.1.2.2, 1.1.2.3.\n",
89     "#\n",
90     "# For example:\n",
91     "#DEFAULT (echo \"\"; id; echo %s; date; cat) >> $CVSROOT/CVSROOT/commitlog\n",
92     "# or\n",
93     "#DEFAULT (echo \"\"; id; echo %{sVv}; date; cat) >> $CVSROOT/CVSROOT/commitlog\n",
94     NULL
95 };
96 
97 static const char *const rcsinfo_contents[] = {
98     "# The \"rcsinfo\" file is used to control templates with which the editor\n",
99     "# is invoked on commit and import.\n",
100     "#\n",
101     "# The first entry on a line is a regular expression which is tested\n",
102     "# against the directory that the change is being made to, relative to the\n",
103     "# $CVSROOT.  For the first match that is found, then the remainder of the\n",
104     "# line is the name of the file that contains the template.\n",
105     "#\n",
106     "# If the repository name does not match any of the regular expressions in this\n",
107     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
108     "#\n",
109     "# If the name \"ALL\" appears as a regular expression it is always used\n",
110     "# in addition to the first matching regex or \"DEFAULT\".\n",
111     NULL
112 };
113 
114 
115 
116 static const char *const verifymsg_contents[] = {
117     "# The \"verifymsg\" file is used to allow verification of logging\n",
118     "# information.  It works best when a template (as specified in the\n",
119     "# rcsinfo file) is provided for the logging procedure.  Given a\n",
120     "# template with locations for, a bug-id number, a list of people who\n",
121     "# reviewed the code before it can be checked in, and an external\n",
122     "# process to catalog the differences that were code reviewed, the\n",
123     "# following test can be applied to the code:\n",
124     "#\n",
125     "#   Making sure that the entered bug-id number is correct.\n",
126     "#   Validating that the code that was reviewed is indeed the code being\n",
127     "#       checked in (using the bug-id number or a seperate review\n",
128     "#       number to identify this particular code set.).\n",
129     "#\n",
130     "# If any of the above test failed, then the commit would be aborted.\n",
131     "#\n",
132     "# Format strings present in the filter will be replaced as follows:\n",
133     "#    %c = canonical name of the command being executed\n",
134 #ifdef PROXY_SUPPORT
135     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
136 #endif
137     "#    %p = path relative to repository\n",
138     "#    %r = repository (path portion of $CVSROOT)\n",
139     "#    %l = name of log file to be verified.\n",
140     "#\n",
141     "# If no format strings are present in the filter, a default \" %l\" will\n",
142     "# be appended to the filter, but this usage is deprecated.\n",
143     "#\n",
144     "# Actions such as mailing a copy of the report to each reviewer are\n",
145     "# better handled by an entry in the loginfo file.\n",
146     "#\n",
147     "# One thing that should be noted is the the ALL keyword is not\n",
148     "# supported.  There can be only one entry that matches a given\n",
149     "# repository.\n",
150     NULL
151 };
152 
153 static const char *const commitinfo_contents[] = {
154     "# The \"commitinfo\" file is used to control pre-commit checks.\n",
155     "# The filter on the right is invoked with the repository and a list \n",
156     "# of files to check.  A non-zero exit of the filter program will \n",
157     "# cause the commit to be aborted.\n",
158     "#\n",
159     "# The first entry on a line is a regular expression which is tested\n",
160     "# against the directory that the change is being committed to, relative\n",
161     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
162     "# of the line is the name of the filter to run.\n",
163     "#\n",
164     "# Format strings present in the filter will be replaced as follows:\n",
165     "#    %c = canonical name of the command being executed\n",
166 #ifdef PROXY_SUPPORT
167     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
168 #endif
169     "#    %p = path relative to repository\n",
170     "#    %r = repository (path portion of $CVSROOT)\n",
171     "#    %{s} = file name, file name, ...\n",
172     "#\n",
173     "# If no format strings are present in the filter string, a default of\n",
174     "# \" %r %s\" will be appended to the filter string, but this usage is\n",
175     "# deprecated.\n",
176     "#\n",
177     "# If the repository name does not match any of the regular expressions in this\n",
178     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
179     "#\n",
180     "# If the name \"ALL\" appears as a regular expression it is always used\n",
181     "# in addition to the first matching regex or \"DEFAULT\".\n",
182     NULL
183 };
184 
185 static const char *const taginfo_contents[] = {
186     "# The \"taginfo\" file is used to control pre-tag checks.\n",
187     "# The filter on the right is invoked with the following arguments\n",
188     "# if no format strings are present:\n",
189     "#\n",
190     "# $1 -- tagname\n",
191     "# $2 -- operation \"add\" for tag, \"mov\" for tag -F, and \"del\" for tag -d\n",
192     "# $3 -- tagtype \"?\" on delete, \"T\" for branch, \"N\" for static\n",
193     "# $4 -- repository\n",
194     "# $5->  file revision [file revision ...]\n",
195     "#\n",
196     "# If any format strings are present in the filter, they will be replaced\n",
197     "# as follows:\n",
198     "#    %b = branch mode = \"?\" (delete ops - unknown) | \"T\" (branch)\n",
199     "#                     | \"N\" (not branch)\n",
200     "#    %o = operation = \"add\" | \"mov\" | \"del\"\n",
201     "#    %c = canonical name of the command being executed\n",
202 #ifdef PROXY_SUPPORT
203     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
204 #endif
205     "#    %p = path relative to repository\n",
206     "#    %r = repository (path portion of $CVSROOT)\n",
207     "#    %t = tagname\n",
208     "#    %{sVv} = attribute list = file name, old version tag will be deleted\n",
209     "#             from, new version tag will be added to (or deleted from, but\n",
210     "#             this feature is deprecated.  When either old or new revision is\n",
211     "#             unknown, doesn't exist, or isn't applicable, the string \"NONE\"\n",
212     "#             will be placed on the command line.\n",
213     "#\n",
214     "# Note that %{sVv} is a list operator and not all elements are necessary.\n",
215     "# Thus %{sV} is a legal format string, but will only be replaced with file\n",
216     "# name and old revision. it also generates multiple arguments for each file\n",
217     "# being operated upon.  i.e. if two files, file1 & file2, are having a tag\n",
218     "# moved from version 1.1 to version 1.1.2.9, %{sVv} will generate the\n",
219     "# following six arguments in this order:\n",
220     "# file1, 1.1, 1.1.2.9, file2, 1.1, 1.1.2.9.\n",
221     "#\n",
222     "# A non-zero exit of the filter program will cause the tag to be aborted.\n",
223     "#\n",
224     "# The first entry on a line is a regular expression which is tested\n",
225     "# against the directory that the change is being committed to, relative\n",
226     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
227     "# of the line is the name of the filter to run.\n",
228     "#\n",
229     "# If the repository name does not match any of the regular expressions in this\n",
230     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
231     "#\n",
232     "# If the name \"ALL\" appears as a regular expression it is always used\n",
233     "# in addition to the first matching regex or \"DEFAULT\".\n",
234     NULL
235 };
236 
237 static const char *const preproxy_contents[] = {
238     "# The \"preproxy\" file is called form the secondary server as soon as\n",
239     "# the secondary server determines that it will be proxying a write\n",
240     "# command to a primary server and immediately before it opens a\n",
241     "# connection to the primary server.  This script might, for example, be\n",
242     "# used to launch a dial up or VPN connection to the primary server's\n",
243     "# network.\n",
244     "#\n",
245     "# If any format strings are present in the filter, they will be replaced\n",
246     "# as follows:\n",
247     "#    %c = canonical name of the command being executed\n",
248 #ifdef PROXY_SUPPORT
249     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
250 #endif
251     "#    %p = path relative to repository (currently always \".\")\n",
252     "#    %r = repository (path portion of $CVSROOT)\n",
253     "#\n",
254     "# The first entry on a line is a regular expression which is tested\n",
255     "# against the directory that the change is being committed to, relative\n",
256     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
257     "# of the line is the name of the filter to run.\n",
258     "#\n",
259     "# If the repository name does not match any of the regular expressions in this\n",
260     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
261     "#\n",
262     "# If the name \"ALL\" appears as a regular expression it is always used\n",
263     "# in addition to the first matching regex or \"DEFAULT\".\n",
264     NULL
265 };
266 
267 static const char *const postadmin_contents[] = {
268     "# The \"postadmin\" file is called after the \"admin\" command finishes\n",
269     "# processing a directory.\n",
270     "#\n",
271     "# If any format strings are present in the filter, they will be replaced\n",
272     "# as follows:\n",
273     "#    %c = canonical name of the command being executed\n",
274 #ifdef PROXY_SUPPORT
275     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
276 #endif
277     "#    %p = path relative to repository\n",
278     "#    %r = repository (path portion of $CVSROOT)\n",
279     "#\n",
280     "# The first entry on a line is a regular expression which is tested\n",
281     "# against the directory that the change is being committed to, relative\n",
282     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
283     "# of the line is the name of the filter to run.\n",
284     "#\n",
285     "# If the repository name does not match any of the regular expressions in this\n",
286     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
287     "#\n",
288     "# If the name \"ALL\" appears as a regular expression it is always used\n",
289     "# in addition to the first matching regex or \"DEFAULT\".\n",
290     NULL
291 };
292 
293 static const char *const postproxy_contents[] = {
294     "# The \"postproxy\" file is called from a secondary server as soon as\n",
295     "# the secondary server closes its connection to the primary server.\n",
296     "# This script might, for example, be used to shut down a dial up\n",
297     "# or VPN connection to the primary server's network.\n",
298     "#\n",
299     "# If any format strings are present in the filter, they will be replaced\n",
300     "# as follows:\n",
301     "#    %c = canonical name of the command being executed\n",
302 #ifdef PROXY_SUPPORT
303     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
304 #endif
305     "#    %p = path relative to repository (currently always \".\")\n",
306     "#    %r = repository (path portion of $CVSROOT)\n",
307     "#\n",
308     "# The first entry on a line is a regular expression which is tested\n",
309     "# against the directory that the change is being committed to, relative\n",
310     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
311     "# of the line is the name of the filter to run.\n",
312     "#\n",
313     "# If the repository name does not match any of the regular expressions in this\n",
314     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
315     "#\n",
316     "# If the name \"ALL\" appears as a regular expression it is always used\n",
317     "# in addition to the first matching regex or \"DEFAULT\".\n",
318     NULL
319 };
320 
321 static const char *const posttag_contents[] = {
322     "# The \"posttag\" file is called after the \"tag\" command finishes\n",
323     "# processing a directory.\n",
324     "#\n",
325     "# If any format strings are present in the filter, they will be replaced\n",
326     "# as follows:\n",
327     "#    %b = branch mode = \"?\" (delete ops - unknown) | \"T\" (branch)\n",
328     "#                     | \"N\" (not branch)\n",
329     "#    %o = operation = \"add\" | \"mov\" | \"del\"\n",
330     "#    %c = canonical name of the command being executed\n",
331 #ifdef PROXY_SUPPORT
332     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
333 #endif
334     "#    %p = path relative to repository\n",
335     "#    %r = repository (path portion of $CVSROOT)\n",
336     "#    %t = tagname\n",
337     "#    %{sVv} = attribute list = file name, old version tag will be deleted\n",
338     "#             from, new version tag will be added to (or deleted from, but\n",
339     "#             this feature is deprecated.  When either old or new revision is\n",
340     "#             unknown, doesn't exist, or isn't applicable, the string \"NONE\"\n",
341     "#             will be placed on the command line.\n",
342     "#\n",
343     "# Note that %{sVv} is a list operator and not all elements are necessary.\n",
344     "# Thus %{sV} is a legal format string, but will only be replaced with file\n",
345     "# name and old revision. it also generates multiple arguments for each file\n",
346     "# being operated upon.  i.e. if two files, file1 & file2, are having a tag\n",
347     "# moved from version 1.1 to version 1.1.2.9, %{sVv} will generate the\n",
348     "# following six arguments in this order:\n",
349     "# file1, 1.1, 1.1.2.9, file2, 1.1, 1.1.2.9.\n",
350     "#\n",
351     "# The first entry on a line is a regular expression which is tested\n",
352     "# against the directory that the change is being committed to, relative\n",
353     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
354     "# of the line is the name of the filter to run.\n",
355     "#\n",
356     "# If the repository name does not match any of the regular expressions in this\n",
357     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
358     "#\n",
359     "# If the name \"ALL\" appears as a regular expression it is always used\n",
360     "# in addition to the first matching regex or \"DEFAULT\".\n",
361     NULL
362 };
363 
364 static const char *const postwatch_contents[] = {
365     "# The \"postwatch\" file is called after any command finishes writing new\n",
366     "# file attibute (watch/edit) information in a directory.\n",
367     "#\n",
368     "# If any format strings are present in the filter, they will be replaced\n",
369     "# as follows:\n",
370     "#    %c = canonical name of the command being executed\n",
371 #ifdef PROXY_SUPPORT
372     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
373 #endif
374     "#    %p = path relative to repository\n",
375     "#    %r = repository (path portion of $CVSROOT)\n",
376     "#\n",
377     "# The first entry on a line is a regular expression which is tested\n",
378     "# against the directory that the change is being committed to, relative\n",
379     "# to the $CVSROOT.  For the first match that is found, then the remainder\n",
380     "# of the line is the name of the filter to run.\n",
381     "#\n",
382     "# If the repository name does not match any of the regular expressions in this\n",
383     "# file, the \"DEFAULT\" line is used, if it is specified.\n",
384     "#\n",
385     "# If the name \"ALL\" appears as a regular expression it is always used\n",
386     "# in addition to the first matching regex or \"DEFAULT\".\n",
387     NULL
388 };
389 
390 static const char *const checkoutlist_contents[] = {
391     "# The \"checkoutlist\" file is used to support additional version controlled\n",
392     "# administrative files in $CVSROOT/CVSROOT, such as template files.\n",
393     "#\n",
394     "# The first entry on a line is a filename which will be checked out from\n",
395     "# the corresponding RCS file in the $CVSROOT/CVSROOT directory.\n",
396     "# The remainder of the line is an error message to use if the file cannot\n",
397     "# be checked out.\n",
398     "#\n",
399     "# File format:\n",
400     "#\n",
401     "#	[<whitespace>]<filename>[<whitespace><error message>]<end-of-line>\n",
402     "#\n",
403     "# comment lines begin with '#'\n",
404     NULL
405 };
406 
407 static const char *const cvswrappers_contents[] = {
408     "# This file affects handling of files based on their names.\n",
409     "#\n",
410 #if 0    /* see comments in wrap_add in wrapper.c */
411     "# The -t/-f options allow one to treat directories of files\n",
412     "# as a single file, or to transform a file in other ways on\n",
413     "# its way in and out of CVS.\n",
414     "#\n",
415 #endif
416     "# The -m option specifies whether CVS attempts to merge files.\n",
417     "#\n",
418     "# The -k option specifies keyword expansion (e.g. -kb for binary).\n",
419     "#\n",
420     "# Format of wrapper file ($CVSROOT/CVSROOT/cvswrappers or .cvswrappers)\n",
421     "#\n",
422     "#  wildcard	[option value][option value]...\n",
423     "#\n",
424     "#  where option is one of\n",
425     "#  -f		from cvs filter		value: path to filter\n",
426     "#  -t		to cvs filter		value: path to filter\n",
427     "#  -m		update methodology	value: MERGE or COPY\n",
428     "#  -k		expansion mode		value: b, o, kkv, &c\n",
429     "#\n",
430     "#  and value is a single-quote delimited value.\n",
431     "# For example:\n",
432     "#*.gif -k 'b'\n",
433     NULL
434 };
435 
436 static const char *const notify_contents[] = {
437     "# The \"notify\" file controls where notifications from watches set by\n",
438     "# \"cvs watch add\" or \"cvs edit\" are sent.  The first entry on a line is\n",
439     "# a regular expression which is tested against the directory that the\n",
440     "# change is being made to, relative to the $CVSROOT.  If it matches,\n",
441     "# then the remainder of the line is a filter program that should contain\n",
442     "# one occurrence of %s for the user to notify, and information on its\n",
443     "# standard input.\n",
444     "#\n",
445     "# \"ALL\" or \"DEFAULT\" can be used in place of the regular expression.\n",
446     "#\n",
447     "# format strings are replaceed as follows:\n",
448     "#    %c = canonical name of the command being executed\n",
449 #ifdef PROXY_SUPPORT
450     "#    %R = the name of the referrer, if any, otherwise the value NONE\n",
451 #endif
452     "#    %p = path relative to repository\n",
453     "#    %r = repository (path portion of $CVSROOT)\n",
454     "#    %s = user to notify\n",
455     "#\n",
456     "# For example:\n",
457     "#ALL (echo Committed to %r/%p; cat) |mail %s -s \"CVS notification\"\n",
458     NULL
459 };
460 
461 static const char *const modules_contents[] = {
462     "# Three different line formats are valid:\n",
463     "#	key	-a    aliases...\n",
464     "#	key [options] directory\n",
465     "#	key [options] directory files...\n",
466     "#\n",
467     "# Where \"options\" are composed of:\n",
468     "#	-i prog		Run \"prog\" on \"cvs commit\" from top-level of module.\n",
469     "#	-o prog		Run \"prog\" on \"cvs checkout\" of module.\n",
470     "#	-e prog		Run \"prog\" on \"cvs export\" of module.\n",
471     "#	-t prog		Run \"prog\" on \"cvs rtag\" of module.\n",
472     "#	-u prog		Run \"prog\" on \"cvs update\" of module.\n",
473     "#	-d dir		Place module in directory \"dir\" instead of module name.\n",
474     "#	-l		Top-level directory only -- do not recurse.\n",
475     "#\n",
476     "# NOTE:  If you change any of the \"Run\" options above, you'll have to\n",
477     "# release and re-checkout any working directories of these modules.\n",
478     "#\n",
479     "# And \"directory\" is a path to a directory relative to $CVSROOT.\n",
480     "#\n",
481     "# The \"-a\" option specifies an alias.  An alias is interpreted as if\n",
482     "# everything on the right of the \"-a\" had been typed on the command line.\n",
483     "#\n",
484     "# You can encode a module within a module by using the special '&'\n",
485     "# character to interpose another module into the current module.  This\n",
486     "# can be useful for creating a module that consists of many directories\n",
487     "# spread out over the entire source repository.\n",
488     NULL
489 };
490 
491 static const char *const config_contents[] = {
492     "# Set `SystemAuth' to `no' if pserver shouldn't check system users/passwords.\n",
493     "#SystemAuth=no\n",
494     "\n",
495     "# Set `LocalKeyword' to specify a local alias for a standard keyword.\n",
496     "#LocalKeyword=MYCVS=CVSHeader\n",
497     "\n",
498     "# Set `KeywordExpand' to `i' followed by a list of keywords to expand or\n",
499     "# `e' followed by a list of keywords to not expand.\n"
500     "#KeywordExpand=iMYCVS,Name,Date\n",
501     "#KeywordExpand=eCVSHeader\n",
502     "\n",
503 #ifdef PRESERVE_PERMISSIONS_SUPPORT
504     "# Set `PreservePermissions' to `yes' to save file status information\n",
505     "# in the repository.\n",
506     "#PreservePermissions=no\n",
507     "\n",
508 #endif
509     "# Set `TopLevelAdmin' to `yes' to create a CVS directory at the top\n",
510     "# level of the new working directory when using the `cvs checkout'\n",
511     "# command.\n",
512     "#TopLevelAdmin=no\n",
513     "\n",
514     "# Put CVS lock files in this directory rather than directly in the repository.\n",
515     "#LockDir=/var/lock/cvs\n",
516     "\n",
517     "# Set `LogHistory' to `all' or `" ALL_HISTORY_REC_TYPES "' to log all transactions to the\n",
518     "# history file, or a subset as needed (ie `TMAR' logs all write operations)\n",
519     "#LogHistory=" ALL_HISTORY_REC_TYPES "\n",
520     "\n",
521     "# Set `RereadLogAfterVerify' to `always' (the default) to allow the verifymsg\n",
522     "# script to change the log message.  Set it to `stat' to force CVS to verify\n",
523     "# that the file has changed before reading it (this can take up to an extra\n",
524     "# second per directory being committed, so it is not recommended for large\n",
525     "# repositories.  Set it to `never' (the previous CVS behavior) to prevent\n",
526     "# verifymsg scripts from changing the log message.\n",
527     "#RereadLogAfterVerify=always\n",
528     "\n",
529     "# Set `UserAdminOptions' to the list of `cvs admin' commands (options)\n",
530     "# that users not in the `cvsadmin' group are allowed to run.  This\n",
531     "# defaults to `k', or only allowing the changing of the default\n",
532     "# keyword expansion mode for files for users not in the `cvsadmin' group.\n",
533     "# This value is ignored if the `cvsadmin' group does not exist.\n",
534     "#\n",
535     "# The following string would enable all `cvs admin' commands for all\n",
536     "# users:\n",
537     "#AdminGroup=wheel\n",
538     "#AdminOptions=aAbceIklLmnNostuU\n",
539 #ifdef SUPPORT_OLD_INFO_FMT_STRINGS
540     "\n",
541     "# Set `UseNewInfoFmtStrings' to `no' if you must support a legacy system by\n",
542     "# enabling the deprecated old style info file command line format strings.\n",
543     "# Be warned that these strings could be disabled in any new version of CVS.\n",
544     "UseNewInfoFmtStrings=yes\n",
545 #endif /* SUPPORT_OLD_INFO_FMT_STRINGS */
546     "\n",
547     "# Set `ImportNewFilesToVendorBranchOnly' to `yes' if you wish to force\n",
548     "# every `cvs import' command to behave as if the `-X' flag was\n",
549     "# specified.\n",
550     "#ImportNewFilesToVendorBranchOnly=no\n",
551 #ifdef PROXY_SUPPORT
552     "\n",
553     "# Set `PrimaryServer' to the CVSROOT to the primary, or write, server when\n",
554     "# establishing one or more read-only mirrors which serve as proxies for\n",
555     "# the write server in write mode or redirect the client to the primary for\n",
556     "# write requests.\n",
557     "#\n",
558     "# For example:\n",
559     "#\n",
560     "#   PrimaryServer=:fork:localhost/cvsroot\n",
561     "\n",
562     "# Set `MaxProxyBufferSize' to the the maximum allowable secondary\n",
563     "# buffer memory cache size before the buffer begins being stored to disk, in\n",
564     "# bytes.  Must be a positive integer but may end in `k', `M', `G', or `T' (for\n",
565     "# kiilo, mega, giga, & tera, respectively).  If an otherwise valid number you\n",
566     "# specify is greater than the SIZE_MAX defined by your system's C compiler,\n",
567     "# then it will be resolved to SIZE_MAX without a warning.  Defaults to 8M (8\n",
568     "# megabytes).\n",
569     "#\n",
570     "# High values for MaxProxyBufferSize may speed up a secondary server\n",
571     "# with old hardware and a lot of available memory but can actually slow a\n",
572     "# modern system down slightly.\n",
573     "#\n",
574     "# For example:\n",
575     "#\n",
576     "#   MaxProxyBufferSize=1G\n",
577 #endif /* PROXY_SUPPORT */
578     "\n",
579     "# Set `MaxCommentLeaderLength' to the maximum length permitted for the\n",
580     "# automagically determined comment leader used when expanding the Log\n",
581     "# keyword, in bytes.  CVS's behavior when the automagically determined\n",
582     "# comment leader exceeds this length is dependant on the value of\n",
583     "# `UseArchiveCommentLeader' set in this file.  `unlimited' is a valid\n",
584     "# setting for this value.  Defaults to 20 bytes.\n",
585     "#\n",
586     "# For example:\n",
587     "#\n",
588     "#   MaxCommentLeaderLength=20\n",
589     "\n",
590     "# Set `UseArchiveCommentLeader' to `yes' to cause CVS to fall back on\n",
591     "# the comment leader set in the RCS archive file, if any, when the\n",
592     "# automagically determined comment leader exceeds `MaxCommentLeaderLength'\n",
593     "# bytes.  If `UseArchiveCommentLeader' is not set and a comment leader\n",
594     "# greater than `MaxCommentLeaderLength' is calculated, the Log keyword\n",
595     "# being examined will not be expanded.  Defaults to `no'.\n",
596     "#\n",
597     "# For example:\n",
598     "#\n",
599     "#   UseArchiveCommentLeader=no\n",
600     "#\n",
601     "# Set this to the name of a local tag to use in addition to Id\n",
602     "#tag=OurTag\n",
603     NULL
604 };
605 
606 static const struct admin_file filelist[] = {
607     {CVSROOTADM_CHECKOUTLIST,
608 	"a %s file can specify extra CVSROOT files to auto-checkout",
609 	checkoutlist_contents},
610     {CVSROOTADM_COMMITINFO,
611 	"a %s file can be used to configure 'cvs commit' checking",
612 	commitinfo_contents},
613     {CVSROOTADM_IGNORE,
614 	"a %s file can be used to specify files to ignore",
615 	NULL},
616     {CVSROOTADM_LOGINFO,
617 	"no logging of 'cvs commit' messages is done without a %s file",
618 	&loginfo_contents[0]},
619     {CVSROOTADM_MODULES,
620 	/* modules is special-cased in mkmodules.  */
621 	NULL,
622 	modules_contents},
623     {CVSROOTADM_NOTIFY,
624 	"a %s file can be used to specify where notifications go",
625 	notify_contents},
626     {CVSROOTADM_POSTADMIN,
627 	"a %s file can be used to configure 'cvs admin' logging",
628 	postadmin_contents},
629     {CVSROOTADM_POSTPROXY,
630 	"a %s file can be used to close or log connections to a primary server",
631 	postproxy_contents},
632     {CVSROOTADM_POSTTAG,
633 	"a %s file can be used to configure 'cvs tag' logging",
634 	posttag_contents},
635     {CVSROOTADM_POSTWATCH,
636 	"a %s file can be used to configure 'cvs watch' logging",
637 	postwatch_contents},
638     {CVSROOTADM_PREPROXY,
639 	"a %s file can be used to open or log connections to a primary server",
640 	preproxy_contents},
641     {CVSROOTADM_RCSINFO,
642 	"a %s file can be used to configure 'cvs commit' templates",
643 	rcsinfo_contents},
644     {CVSROOTADM_READERS,
645 	"a %s file specifies read-only users",
646 	NULL},
647     {CVSROOTADM_TAGINFO,
648 	"a %s file can be used to configure 'cvs tag' checking",
649 	taginfo_contents},
650     {CVSROOTADM_VERIFYMSG,
651 	"a %s file can be used to validate log messages",
652 	verifymsg_contents},
653     {CVSROOTADM_WRAPPER,
654 	"a %s file can be used to specify files to treat as wrappers",
655 	cvswrappers_contents},
656     {CVSROOTADM_WRITERS,
657 	"a %s file specifies read/write users",
658 	NULL},
659 
660     /* Some have suggested listing CVSROOTADM_PASSWD here too.  This
661        would mean that CVS commands which operate on the
662        CVSROOTADM_PASSWD file would transmit hashed passwords over the
663        net.  This might seem to be no big deal, as pserver normally
664        transmits cleartext passwords, but the difference is that
665        CVSROOTADM_PASSWD contains *all* passwords, not just the ones
666        currently being used.  For example, it could be too easy to
667        accidentally give someone readonly access to CVSROOTADM_PASSWD
668        (e.g. via anonymous CVS or cvsweb), and then if there are any
669        guessable passwords for read/write access (usually there will be)
670        they get read/write access.
671 
672        Another worry is the implications of storing old passwords--if
673        someone used a password in the past they might be using it
674        elsewhere, using a similar password, etc, and so saving old
675        passwords, even hashed, is probably not a good idea.  */
676 
677     {CVSROOTADM_CONFIG,
678 	 "a %s file configures various behaviors",
679 	 config_contents},
680     {NULL, NULL, NULL}
681 };
682 
683 /* Rebuild the checked out administrative files in directory DIR.  */
684 int
685 mkmodules (char *dir)
686 {
687     struct saved_cwd cwd;
688     char *temp;
689     char *cp, *last, *fname;
690 #ifdef MY_NDBM
691     DBM *db;
692 #endif
693     FILE *fp;
694     char *line = NULL;
695     size_t line_allocated = 0;
696     const struct admin_file *fileptr;
697 
698     if (noexec)
699 	return 0;
700 
701     if (save_cwd (&cwd))
702 	error (1, errno, "Failed to save current directory.");
703 
704     if (CVS_CHDIR (dir) < 0)
705 	error (1, errno, "cannot chdir to %s", dir);
706 
707     /*
708      * First, do the work necessary to update the "modules" database.
709      */
710     temp = make_tempfile ();
711     switch (checkout_file (CVSROOTADM_MODULES, temp))
712     {
713 
714 	case 0:			/* everything ok */
715 #ifdef MY_NDBM
716 	    /* open it, to generate any duplicate errors */
717 	    if ((db = dbm_open (temp, O_RDONLY, 0666)) != NULL)
718 		dbm_close (db);
719 #else
720 	    write_dbmfile (temp);
721 	    rename_dbmfile (temp);
722 #endif
723 	    rename_rcsfile (temp, CVSROOTADM_MODULES);
724 	    break;
725 
726 	default:
727 	    error (0, 0,
728 		"'cvs checkout' is less functional without a %s file",
729 		CVSROOTADM_MODULES);
730 	    break;
731     }					/* switch on checkout_file() */
732 
733     if (unlink_file (temp) < 0
734 	&& !existence_error (errno))
735 	error (0, errno, "cannot remove %s", temp);
736     free (temp);
737 
738     /* Checkout the files that need it in CVSROOT dir */
739     for (fileptr = filelist; fileptr && fileptr->filename; fileptr++) {
740 	if (fileptr->errormsg == NULL)
741 	    continue;
742 	temp = make_tempfile ();
743 	if (checkout_file (fileptr->filename, temp) == 0)
744 	    rename_rcsfile (temp, fileptr->filename);
745 	/* else
746 	 *   If there was some problem other than the file not existing,
747 	 *   checkout_file already printed a real error message.  If the
748 	 *   file does not exist, it is harmless--it probably just means
749 	 *   that the repository was created with an old version of CVS
750 	 *   which didn't have so many files in CVSROOT.
751 	 */
752 
753 	if (unlink_file (temp) < 0
754 	    && !existence_error (errno))
755 	    error (0, errno, "cannot remove %s", temp);
756 	free (temp);
757     }
758 
759     fp = CVS_FOPEN (CVSROOTADM_CHECKOUTLIST, "r");
760     if (fp)
761     {
762 	/*
763 	 * File format:
764 	 *  [<whitespace>]<filename>[<whitespace><error message>]<end-of-line>
765 	 *
766 	 * comment lines begin with '#'
767 	 */
768 	while (getline (&line, &line_allocated, fp) >= 0)
769 	{
770 	    /* skip lines starting with # */
771 	    if (line[0] == '#')
772 		continue;
773 
774 	    if ((last = strrchr (line, '\n')) != NULL)
775 		*last = '\0';			/* strip the newline */
776 
777 	    /* Skip leading white space. */
778 	    for (fname = line;
779 		 *fname && isspace ((unsigned char) *fname);
780 		 fname++)
781 		;
782 
783 	    /* Find end of filename. */
784 	    for (cp = fname; *cp && !isspace ((unsigned char) *cp); cp++)
785 		;
786 	    *cp = '\0';
787 
788 	    temp = make_tempfile ();
789 	    if (checkout_file (fname, temp) == 0)
790 	    {
791 		rename_rcsfile (temp, fname);
792 	    }
793 	    else
794 	    {
795 		/* Skip leading white space before the error message.  */
796 		for (cp++;
797 		     cp < last && *cp && isspace ((unsigned char) *cp);
798 		     cp++)
799 		    ;
800 		if (cp < last && *cp)
801 		    error (0, 0, "%s", cp);
802 	    }
803 	    if (unlink_file (temp) < 0
804 		&& !existence_error (errno))
805 		error (0, errno, "cannot remove %s", temp);
806 	    free (temp);
807 	}
808 	if (line)
809 	    free (line);
810 	if (ferror (fp))
811 	    error (0, errno, "cannot read %s", CVSROOTADM_CHECKOUTLIST);
812 	if (fclose (fp) < 0)
813 	    error (0, errno, "cannot close %s", CVSROOTADM_CHECKOUTLIST);
814     }
815     else
816     {
817 	/* Error from CVS_FOPEN.  */
818 	if (!existence_error (errno))
819 	    error (0, errno, "cannot open %s", CVSROOTADM_CHECKOUTLIST);
820     }
821 
822     if (restore_cwd (&cwd))
823 	error (1, errno, "Failed to restore current directory, `%s'.",
824 	       cwd.name);
825     free_cwd (&cwd);
826 
827     return 0;
828 }
829 
830 
831 
832 /*
833  * Yeah, I know, there are NFS race conditions here.
834  */
835 static char *
836 make_tempfile (void)
837 {
838     static int seed = 0;
839     int fd;
840     char *temp;
841 
842     if (seed == 0)
843 	seed = getpid ();
844     temp = xmalloc (sizeof (BAKPREFIX) + 40);
845     while (1)
846     {
847 	(void) sprintf (temp, "%s%d", BAKPREFIX, seed++);
848 	if ((fd = CVS_OPEN (temp, O_CREAT|O_EXCL|O_RDWR, 0666)) != -1)
849 	    break;
850 	if (errno != EEXIST)
851 	    error (1, errno, "cannot create temporary file %s", temp);
852     }
853     if (close(fd) < 0)
854 	error(1, errno, "cannot close temporary file %s", temp);
855     return temp;
856 }
857 
858 
859 
860 /* Get a file.  If the file does not exist, return 1 silently.  If
861    there is an error, print a message and return 1 (FIXME: probably
862    not a very clean convention).  On success, return 0.  */
863 static int
864 checkout_file (char *file, char *temp)
865 {
866     char *rcs;
867     RCSNode *rcsnode;
868     int retcode = 0;
869 
870     if (noexec)
871 	return 0;
872 
873     rcs = Xasprintf ("%s%s", file, RCSEXT);
874     if (!isfile (rcs))
875     {
876 	free (rcs);
877 	return 1;
878     }
879 
880     rcsnode = RCS_parsercsfile (rcs);
881     if (!rcsnode)
882     {
883 	/* Probably not necessary (?); RCS_parsercsfile already printed a
884 	   message.  */
885 	error (0, 0, "Failed to parse `%s'.", rcs);
886 	free (rcs);
887 	return 1;
888     }
889 
890     retcode = RCS_checkout (rcsnode, NULL, NULL, NULL, NULL, temp, NULL, NULL);
891     if (retcode != 0)
892     {
893 	/* Probably not necessary (?); RCS_checkout already printed a
894 	   message.  */
895 	error (0, 0, "failed to check out %s file",
896 	       file);
897     }
898     freercsnode (&rcsnode);
899     free (rcs);
900     return retcode;
901 }
902 
903 
904 
905 #ifndef MY_NDBM
906 
907 static void
908 write_dbmfile( char *temp )
909 {
910     char line[DBLKSIZ], value[DBLKSIZ];
911     FILE *fp;
912     DBM *db;
913     char *cp, *vp;
914     datum key, val;
915     int len, cont, err = 0;
916 
917     fp = xfopen (temp, "r");
918     if ((db = dbm_open (temp, O_RDWR | O_CREAT | O_TRUNC, 0666)) == NULL)
919 	error (1, errno, "cannot open dbm file %s for creation", temp);
920     for (cont = 0; fgets (line, sizeof (line), fp) != NULL;)
921     {
922 	if ((cp = strrchr (line, '\n')) != NULL)
923 	    *cp = '\0';			/* strip the newline */
924 
925 	/*
926 	 * Add the line to the value, at the end if this is a continuation
927 	 * line; otherwise at the beginning, but only after any trailing
928 	 * backslash is removed.
929 	 */
930 	vp = value;
931 	if (cont)
932 	    vp += strlen (value);
933 
934 	/*
935 	 * See if the line we read is a continuation line, and strip the
936 	 * backslash if so.
937 	 */
938 	len = strlen (line);
939 	if (len > 0)
940 	    cp = &line[len - 1];
941 	else
942 	    cp = line;
943 	if (*cp == '\\')
944 	{
945 	    cont = 1;
946 	    *cp = '\0';
947 	}
948 	else
949 	{
950 	    cont = 0;
951 	}
952 	(void) strcpy (vp, line);
953 	if (value[0] == '#')
954 	    continue;			/* comment line */
955 	vp = value;
956 	while (*vp && isspace ((unsigned char) *vp))
957 	    vp++;
958 	if (*vp == '\0')
959 	    continue;			/* empty line */
960 
961 	/*
962 	 * If this was not a continuation line, add the entry to the database
963 	 */
964 	if (!cont)
965 	{
966 	    key.dptr = vp;
967 	    while (*vp && !isspace ((unsigned char) *vp))
968 		vp++;
969 	    key.dsize = vp - key.dptr;
970 	    *vp++ = '\0';		/* NULL terminate the key */
971 	    while (*vp && isspace ((unsigned char) *vp))
972 		vp++;			/* skip whitespace to value */
973 	    if (*vp == '\0')
974 	    {
975 		error (0, 0, "warning: NULL value for key `%s'", key.dptr);
976 		continue;
977 	    }
978 	    val.dptr = vp;
979 	    val.dsize = strlen (vp);
980 	    if (dbm_store (db, key, val, DBM_INSERT) == 1)
981 	    {
982 		error (0, 0, "duplicate key found for `%s'", key.dptr);
983 		err++;
984 	    }
985 	}
986     }
987     dbm_close (db);
988     if (fclose (fp) < 0)
989 	error (0, errno, "cannot close %s", temp);
990     if (err)
991     {
992 	/* I think that the size of the buffer needed here is
993 	   just determined by sizeof (CVSROOTADM_MODULES), the
994 	   filenames created by make_tempfile, and other things that won't
995 	   overflow.  */
996 	char dotdir[50], dotpag[50], dotdb[50];
997 
998 	(void) sprintf (dotdir, "%s.dir", temp);
999 	(void) sprintf (dotpag, "%s.pag", temp);
1000 	(void) sprintf (dotdb, "%s.db", temp);
1001 	if (unlink_file (dotdir) < 0
1002 	    && !existence_error (errno))
1003 	    error (0, errno, "cannot remove %s", dotdir);
1004 	if (unlink_file (dotpag) < 0
1005 	    && !existence_error (errno))
1006 	    error (0, errno, "cannot remove %s", dotpag);
1007 	if (unlink_file (dotdb) < 0
1008 	    && !existence_error (errno))
1009 	    error (0, errno, "cannot remove %s", dotdb);
1010 	error (1, 0, "DBM creation failed; correct above errors");
1011     }
1012 }
1013 
1014 static void
1015 rename_dbmfile( char *temp )
1016 {
1017     /* I think that the size of the buffer needed here is
1018        just determined by sizeof (CVSROOTADM_MODULES), the
1019        filenames created by make_tempfile, and other things that won't
1020        overflow.  */
1021     char newdir[50], newpag[50], newdb[50];
1022     char dotdir[50], dotpag[50], dotdb[50];
1023     char bakdir[50], bakpag[50], bakdb[50];
1024 
1025     int dir1_errno = 0, pag1_errno = 0, db1_errno = 0;
1026     int dir2_errno = 0, pag2_errno = 0, db2_errno = 0;
1027     int dir3_errno = 0, pag3_errno = 0, db3_errno = 0;
1028 
1029     (void) sprintf (dotdir, "%s.dir", CVSROOTADM_MODULES);
1030     (void) sprintf (dotpag, "%s.pag", CVSROOTADM_MODULES);
1031     (void) sprintf (dotdb, "%s.db", CVSROOTADM_MODULES);
1032     (void) sprintf (bakdir, "%s%s.dir", BAKPREFIX, CVSROOTADM_MODULES);
1033     (void) sprintf (bakpag, "%s%s.pag", BAKPREFIX, CVSROOTADM_MODULES);
1034     (void) sprintf (bakdb, "%s%s.db", BAKPREFIX, CVSROOTADM_MODULES);
1035     (void) sprintf (newdir, "%s.dir", temp);
1036     (void) sprintf (newpag, "%s.pag", temp);
1037     (void) sprintf (newdb, "%s.db", temp);
1038 
1039     (void) chmod (newdir, 0666);
1040     (void) chmod (newpag, 0666);
1041     (void) chmod (newdb, 0666);
1042 
1043     /* don't mess with me */
1044     SIG_beginCrSect ();
1045 
1046     /* rm .#modules.dir .#modules.pag */
1047     if (unlink_file (bakdir) < 0)
1048 	dir1_errno = errno;
1049     if (unlink_file (bakpag) < 0)
1050 	pag1_errno = errno;
1051     if (unlink_file (bakdb) < 0)
1052 	db1_errno = errno;
1053 
1054     /* mv modules.dir .#modules.dir */
1055     if (CVS_RENAME (dotdir, bakdir) < 0)
1056 	dir2_errno = errno;
1057     /* mv modules.pag .#modules.pag */
1058     if (CVS_RENAME (dotpag, bakpag) < 0)
1059 	pag2_errno = errno;
1060     /* mv modules.db .#modules.db */
1061     if (CVS_RENAME (dotdb, bakdb) < 0)
1062 	db2_errno = errno;
1063 
1064     /* mv "temp".dir modules.dir */
1065     if (CVS_RENAME (newdir, dotdir) < 0)
1066 	dir3_errno = errno;
1067     /* mv "temp".pag modules.pag */
1068     if (CVS_RENAME (newpag, dotpag) < 0)
1069 	pag3_errno = errno;
1070     /* mv "temp".db modules.db */
1071     if (CVS_RENAME (newdb, dotdb) < 0)
1072 	db3_errno = errno;
1073 
1074     /* OK -- make my day */
1075     SIG_endCrSect ();
1076 
1077     /* I didn't want to call error() when we had signals blocked
1078        (unnecessary?), but do it now.  */
1079     if (dir1_errno && !existence_error (dir1_errno))
1080 	error (0, dir1_errno, "cannot remove %s", bakdir);
1081     if (pag1_errno && !existence_error (pag1_errno))
1082 	error (0, pag1_errno, "cannot remove %s", bakpag);
1083     if (db1_errno && !existence_error (db1_errno))
1084 	error (0, db1_errno, "cannot remove %s", bakdb);
1085 
1086     if (dir2_errno && !existence_error (dir2_errno))
1087 	error (0, dir2_errno, "cannot remove %s", bakdir);
1088     if (pag2_errno && !existence_error (pag2_errno))
1089 	error (0, pag2_errno, "cannot remove %s", bakpag);
1090     if (db2_errno && !existence_error (db2_errno))
1091 	error (0, db2_errno, "cannot remove %s", bakdb);
1092 
1093     if (dir3_errno && !existence_error (dir3_errno))
1094 	error (0, dir3_errno, "cannot remove %s", bakdir);
1095     if (pag3_errno && !existence_error (pag3_errno))
1096 	error (0, pag3_errno, "cannot remove %s", bakpag);
1097     if (db3_errno && !existence_error (db3_errno))
1098 	error (0, db3_errno, "cannot remove %s", bakdb);
1099 }
1100 
1101 #endif				/* !MY_NDBM */
1102 
1103 static void
1104 rename_rcsfile (char *temp, char *real)
1105 {
1106     char *bak;
1107     struct stat statbuf;
1108     char *rcs;
1109 
1110     /* Set "x" bits if set in original. */
1111     rcs = Xasprintf ("%s%s", real, RCSEXT);
1112     statbuf.st_mode = 0; /* in case rcs file doesn't exist, but it should... */
1113     if (stat (rcs, &statbuf) < 0
1114 	&& !existence_error (errno))
1115 	error (0, errno, "cannot stat %s", rcs);
1116     free (rcs);
1117 
1118     if (chmod (temp, 0444 | (statbuf.st_mode & 0111)) < 0)
1119 	error (0, errno, "warning: cannot chmod %s", temp);
1120     bak = Xasprintf ("%s%s", BAKPREFIX, real);
1121 
1122     /* rm .#loginfo */
1123     if (unlink_file (bak) < 0
1124 	&& !existence_error (errno))
1125 	error (0, errno, "cannot remove %s", bak);
1126 
1127     /* mv loginfo .#loginfo */
1128     if (CVS_RENAME (real, bak) < 0
1129 	&& !existence_error (errno))
1130 	error (0, errno, "cannot rename %s to %s", real, bak);
1131 
1132     /* mv "temp" loginfo */
1133     if (CVS_RENAME (temp, real) < 0
1134 	&& !existence_error (errno))
1135 	error (0, errno, "cannot rename %s to %s", temp, real);
1136 
1137     free (bak);
1138 }
1139 
1140 const char *const init_usage[] = {
1141     "Usage: %s %s\n",
1142     "(Specify the --help global option for a list of other help options)\n",
1143     NULL
1144 };
1145 
1146 int
1147 init (int argc, char **argv)
1148 {
1149     /* Name of CVSROOT directory.  */
1150     char *adm;
1151     /* Name of this administrative file.  */
1152     char *info;
1153     /* Name of ,v file for this administrative file.  */
1154     char *info_v;
1155     /* Exit status.  */
1156     int err = 0;
1157 
1158     const struct admin_file *fileptr;
1159 
1160     umask (cvsumask);
1161 
1162     if (config->UserAdminGroup && !admin_group_member ())
1163 	error (1, 0, "usage is restricted to members of the group %s",
1164 	       config->UserAdminGroup);
1165 
1166     if (argc == -1 || argc > 1)
1167 	usage (init_usage);
1168 
1169 #ifdef CLIENT_SUPPORT
1170     if (current_parsed_root->isremote)
1171     {
1172 	start_server ();
1173 
1174 	ign_setup ();
1175 	send_init_command ();
1176 	return get_responses_and_close ();
1177     }
1178 #endif /* CLIENT_SUPPORT */
1179 
1180     /* Note: we do *not* create parent directories as needed like the
1181        old cvsinit.sh script did.  Few utilities do that, and a
1182        non-existent parent directory is as likely to be a typo as something
1183        which needs to be created.  */
1184     mkdir_if_needed (current_parsed_root->directory);
1185 
1186     adm = Xasprintf ("%s/%s", current_parsed_root->directory, CVSROOTADM);
1187     mkdir_if_needed (adm);
1188 
1189     /* This is needed because we pass "fileptr->filename" not "info"
1190        to add_rcs_file below.  I think this would be easy to change,
1191        thus nuking the need for CVS_CHDIR here, but I haven't looked
1192        closely (e.g. see wrappers calls within add_rcs_file).  */
1193     if ( CVS_CHDIR (adm) < 0)
1194 	error (1, errno, "cannot change to directory %s", adm);
1195 
1196     /* Make Emptydir so it's there if we need it */
1197     mkdir_if_needed (CVSNULLREPOS);
1198 
1199     /* 80 is long enough for all the administrative file names, plus
1200        "/" and so on.  */
1201     info = xmalloc (strlen (adm) + 80);
1202     info_v = xmalloc (strlen (adm) + 80);
1203     for (fileptr = filelist; fileptr && fileptr->filename; ++fileptr)
1204     {
1205 	if (fileptr->contents == NULL)
1206 	    continue;
1207 	strcpy (info, adm);
1208 	strcat (info, "/");
1209 	strcat (info, fileptr->filename);
1210 	strcpy (info_v, info);
1211 	strcat (info_v, RCSEXT);
1212 	if (isfile (info_v))
1213 	    /* We will check out this file in the mkmodules step.
1214 	       Nothing else is required.  */
1215 	    ;
1216 	else
1217 	{
1218 	    int retcode;
1219 
1220 	    if (!isfile (info))
1221 	    {
1222 		FILE *fp;
1223 		const char * const *p;
1224 
1225 		fp = xfopen (info, "w");
1226 		for (p = fileptr->contents; *p != NULL; ++p)
1227 		    if (fputs (*p, fp) < 0)
1228 			error (1, errno, "cannot write %s", info);
1229 		if (fclose (fp) < 0)
1230 		    error (1, errno, "cannot close %s", info);
1231 	    }
1232 	    /* The message used to say " of " and fileptr->filename after
1233 	       "initial checkin" but I fail to see the point as we know what
1234 	       file it is from the name.  */
1235 	    retcode = add_rcs_file ("initial checkin", info_v,
1236 				    fileptr->filename, "1.1", NULL,
1237 
1238 				    /* No vendor branch.  */
1239 				    NULL, NULL, 0, NULL,
1240 
1241 				    NULL, 0, NULL, 0);
1242 	    if (retcode != 0)
1243 		/* add_rcs_file already printed an error message.  */
1244 		err = 1;
1245 	}
1246     }
1247 
1248     /* Turn on history logging by default.  The user can remove the file
1249        to disable it.  */
1250     strcpy (info, adm);
1251     strcat (info, "/");
1252     strcat (info, CVSROOTADM_HISTORY);
1253     if (!isfile (info))
1254     {
1255 	FILE *fp;
1256 
1257 	fp = xfopen (info, "w");
1258 	if (fclose (fp) < 0)
1259 	    error (1, errno, "cannot close %s", info);
1260 
1261         /* Make the new history file world-writeable, since every CVS
1262            user will need to be able to write to it.  We use chmod()
1263            because xchmod() is too shy. */
1264         chmod (info, 0666);
1265     }
1266 
1267     /* Make an empty val-tags file to prevent problems creating it later.  */
1268     strcpy (info, adm);
1269     strcat (info, "/");
1270     strcat (info, CVSROOTADM_VALTAGS);
1271     if (!isfile (info))
1272     {
1273 	FILE *fp;
1274 
1275 	fp = xfopen (info, "w");
1276 	if (fclose (fp) < 0)
1277 	    error (1, errno, "cannot close %s", info);
1278 
1279         /* Make the new val-tags file world-writeable, since every CVS
1280            user will need to be able to write to it.  We use chmod()
1281            because xchmod() is too shy. */
1282         chmod (info, 0666);
1283     }
1284 
1285     free (info);
1286     free (info_v);
1287 
1288     mkmodules (adm);
1289 
1290     free (adm);
1291     return err;
1292 }
1293