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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
#!/usr/bin/awk -f
# $NetBSD: tflat,v 1.8 2003/05/06 17:42:04 jmmv Exp $
#
# Copyright (c) 2001 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Dan McMahill.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the NetBSD
# Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
BEGIN {
if (ARGC != 3){
printf("tflat: wrong number of arguments\n");
usage();
exit(1);
}
if ( ARGV[1] == "-u" ) {
up=1;
}
else{
if ( ARGV[1] == "-d" ) { up=0; }
else{
printf("tflat: unknown option \"%s\"\n",ARGV[1]);
usage();
exit(1);
}
}
InFile = ARGV[2];
#
# Read in the entire depends tree
#
if (up){
while(getline < InFile > 0){
if ($1 in topdepends)
topdepends[$1] = topdepends[$1] " " $2 " " ;
else{
topdepends[$1] = " " $2 " ";
}
# Note that it is possible for a package "foo/bar" to never
# appear in $1. In fact if foo/bar is not depended upon by
# anything and it has depends then it will not show up in $1
# however, we need to make sure we get a topdepends[foo/bar]
# entry so add it here if its not already there.
if (!($2 in topdepends))
topdepends[$2] = "";
}
depstr = " is depended on by: ";
}
else{
while(getline < InFile > 0){
if ($2 in topdepends)
topdepends[$2] = topdepends[$2] " " $1 " " ;
else
topdepends[$2] = " " $1 " " ;
}
depstr = " depends on: ";
}
close(InFile);
#
# Now recurse the tree to give a flattened depends list for each pkg
#
for (toppkg in topdepends){
find_all_depends(toppkg);
}
for (x in alldepends){
print x depstr alldepends[x] | "sort";
}
printf("\n");
exit 0
}
function find_all_depends(pkg,pkgreg,i,deps){
# if we find the package already has been fully depended
# then return the depends list
if (pkg in alldepends){
return(alldepends[pkg]);
}
# if we find the package listed in its own depends list, then
# return an empty list if we're going down the depends tree.
# When a package lists itself in the depends tree file, it simply
# is a place holder and means the package has no depends. However
# other packages may still depend upon it, so we need to keep looking.
if ( (!up) && (topdepends[pkg]~reg2str(pkg)) ){
alldepends[pkg] = " ";
return(alldepends[pkg]);
}
# otherwise recursively gather depends that each of the depends
# has
pkgreg=reg2str(pkg);
split(topdepends[pkg],deps);
i=1;
alldepends[pkg] = " ";
while ( i in deps ){
# don't add ourselves to the list (a possibility when going up the tree)
if (" "deps[i]" "!~pkgreg){
alldepends[pkg] = alldepends[pkg] " " deps[i] " " find_all_depends(deps[i]);
}
i=i+1;
}
alldepends[pkg] = uniq(alldepends[pkg]);
return(alldepends[pkg]);
}
#
# take a string which has special characters like '+' in it and
# escape them. Also put a space before and after since that's how
# we'll distinguish things like gnome from gnome-libs
#
function reg2str(reg){
gsub(/\+/,"\\\+",reg);
reg = " "reg" ";
return(reg);
}
#
# take the depends lists and uniq them.
#
function uniq(list,deps,i,ulist){
# split out the depends
split(list,deps);
i=1;
ulist = " ";
while (i in deps){
if (ulist !~reg2str(deps[i])){
ulist = ulist deps[i]" ";
}
i++;
}
return(ulist);
}
#
# show usage
#
function usage(){
printf("tflat -- flatten a depends tree. tflat is used to show all\n");
printf(" packages which depend upon a given package or alternatively\n");
printf(" all packages which are depend upon by a given package.\n");
printf("\n");
printf("Usage:\ttflat -u|-d depfile\n");
printf("\n");
printf("Options:\t-d\tgo down the depends tree (ie \"foo depends on:\")\n");
printf(" \t-u\tgo up the depends tree (ie \"foo is depended on by:\")\n");
printf("\n");
printf("Input file format is in the form\n");
printf("foo bar\n");
printf("foo baz\n");
printf("libbar bar\n");
printf("\n");
printf("meaning \"foo is depended upon by bar,\n");
printf(" foo is depended upon by baz,\n");
printf(" libbar is depended upon by bar\"\n");
printf("\n");
printf("The typical use is:\n");
printf("cd /usr/pkgsrc\n");
printf("./mk/bulk/printdepends > .depends\n");
printf("./mk/bulk/tflat -u .depends > .supports\n");
printf("./mk/bulk/tflat -d .depends > .requires\n");
printf("\n");
}
|
