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189935b1 | 1 | #!/bin/sh |
2 | # | |
3 | # IRC - Internet Relay Chat, ircd-patch | |
4 | # Copyright (C) 2002 Alex Badea <vampire@p16.pub.ro> | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
8 | # the Free Software Foundation; either version 1, or (at your option) | |
9 | # any later version. | |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program; if not, write to the Free Software | |
18 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | # | |
37d25209 | 20 | # $Id: ircd-patch,v 1.5.2.1 2005/12/29 03:41:56 entrope Exp $ |
189935b1 | 21 | # |
22 | # | |
23 | # Experimental centralized patch system for ircu | |
24 | # Run with no arguments to get help. | |
25 | # | |
26 | # Return codes: | |
27 | # 0 - success | |
28 | # 1 - at least one live patch failed | |
29 | # 2 - at least one simulation (dry run) failed | |
30 | # 3 - invalid arguments (i.e. no such patch) | |
31 | # 4 - invalid operation (i.e. tried to apply when already applied) | |
32 | # | |
33 | ||
34 | DIFFS=patches/diffs | |
35 | MARKS=patches/marks | |
36 | PLIST_FILE=include/patchlist.h | |
37 | ||
38 | retcode=0 | |
39 | force=0 | |
40 | ||
41 | ||
42 | PLIST="" | |
43 | for fname in $DIFFS/*.diff ; do | |
44 | name=`basename $fname | sed -e 's/\.diff//'` | |
45 | PLIST="$PLIST $name" | |
46 | done | |
47 | ||
48 | update_patchlist() { | |
49 | list="" | |
50 | for name in $PLIST ; do | |
37d25209 | 51 | test -f $MARKS/$name && list="$list.$name" |
189935b1 | 52 | done |
53 | echo "/* This file was automatically generated by ircd-patch */" > $PLIST_FILE | |
54 | echo "#define PATCHLIST \"$list\"" >> $PLIST_FILE | |
55 | echo "Updated $PLIST_FILE" | |
56 | } | |
57 | ||
37d25209 | 58 | test -d $DIFFS || (echo "*** Missing $DIFFS, creating it" ; mkdir -p $DIFFS) |
59 | test -d $MARKS || (echo "*** Missing $MARKS, creating it" ; mkdir -p $MARKS) | |
189935b1 | 60 | |
61 | dry_run() { | |
62 | rejects=`patch -p0 -N -t --dry-run $2 < $1 | grep "hunk FAILED" | sed -e 's/.*to file / /;s/\.rej$//'` | |
63 | test -z "$rejects" | |
64 | } | |
65 | ||
66 | patch_list() { | |
67 | echo "Available patches (* marks applied patches):" | |
68 | for name in $PLIST ; do | |
37d25209 | 69 | test -f $MARKS/$name && echo -n " * " || echo -n " " |
189935b1 | 70 | echo $name |
71 | done | |
72 | echo "Done." | |
73 | } | |
74 | ||
75 | patch_test() { | |
76 | echo "Testing patches:" | |
77 | list="$*" | |
37d25209 | 78 | test "z$list" = "z" && list=$PLIST |
189935b1 | 79 | for name in $list ; do |
80 | fname=$DIFFS/$name.diff | |
81 | echo -ne " $name\t" | |
37d25209 | 82 | if test ! -f $MARKS/$name ; then |
189935b1 | 83 | if dry_run "$fname" ; then |
84 | echo -n " OK" | |
85 | else | |
86 | echo -n " PATCH FAILED" | |
87 | retcode=2 | |
88 | fi | |
89 | else | |
90 | echo -n " APPLIED" | |
91 | if dry_run "$fname" -R ; then | |
92 | echo -n " OK" | |
93 | else | |
94 | echo -n " REVERSE FAILED" | |
95 | retcode=2 | |
96 | fi | |
97 | fi | |
98 | echo | |
99 | done | |
100 | echo "Done." | |
101 | } | |
102 | ||
103 | patch_add() { | |
104 | name=$1 | |
105 | fname="$DIFFS/$name.diff" | |
37d25209 | 106 | if test ! -f $fname ; then |
189935b1 | 107 | echo "Patch $name ($fname) does not exist" |
108 | retcode=3 | |
109 | return | |
110 | fi | |
111 | ||
37d25209 | 112 | if test $force -lt 2 -a -f $MARKS/$name ; then |
189935b1 | 113 | echo "Patch $name seems already applied" |
114 | retcode=4 | |
115 | return | |
116 | fi | |
117 | ||
37d25209 | 118 | if test $force -lt 1 ; then |
189935b1 | 119 | echo -n "Testing $fname... " |
120 | if ! dry_run $fname ; then | |
121 | echo "Failed (use -f to force)." | |
122 | echo "The following files failed patching:" | |
123 | echo "$rejects" | |
124 | retcode=2 | |
125 | return | |
126 | fi | |
127 | echo "seems ok." | |
128 | fi | |
129 | ||
130 | echo "Applying $fname..." | |
131 | if patch -p0 -N -t < $fname ; then | |
132 | touch $MARKS/$name | |
133 | echo "Done." | |
134 | else | |
135 | echo "Failed." | |
136 | retcode=1 | |
137 | fi | |
138 | } | |
139 | ||
140 | patch_del() { | |
141 | name=$1 | |
142 | fname="$DIFFS/$name.diff" | |
37d25209 | 143 | if test ! -f $fname ; then |
189935b1 | 144 | echo "Patch $name ($fname) does not exist" |
145 | retcode=3 | |
146 | return | |
147 | fi | |
148 | ||
37d25209 | 149 | if test $force -lt 2 -a ! -f $MARKS/$name ; then |
189935b1 | 150 | echo "Patch $name doesn't seem to be applied" |
151 | retcode=4 | |
152 | return | |
153 | fi | |
154 | ||
37d25209 | 155 | if test $force -lt 1 ; then |
189935b1 | 156 | echo -n "Testing $fname... " |
157 | if ! dry_run $fname -R ; then | |
158 | echo "Failed (use -f to force)." | |
159 | echo "The following files failed patching:" | |
160 | echo "$rejects" | |
161 | retcode=2 | |
162 | return | |
163 | fi | |
164 | echo "seems ok." | |
165 | fi | |
166 | ||
167 | echo "Reversing $fname..." | |
168 | if patch -p0 -R -t < $fname ; then | |
169 | rm -f $MARKS/$name | |
170 | echo "Done." | |
171 | else | |
172 | echo "Failed." | |
173 | retcode=1 | |
174 | fi | |
175 | } | |
176 | ||
177 | do_help() { | |
178 | echo "Usage: $0 [-f [-f]] [args]" | |
179 | echo "Arguments may be:" | |
180 | echo " help Prints this help" | |
181 | echo " list List available patches" | |
182 | echo " test [patch list] Tests whether patches can be (un)applied correctly" | |
183 | echo " add <patch list> Applies a patch" | |
184 | echo " del <patch list> Reverses a patch" | |
185 | echo " update Updates $PLIST_FILE with the currently applied patches" | |
186 | echo "The -f option forces patching even if a dry run fails (effective on 'add'" | |
187 | echo "and 'del' commands only). Using it twice will also skip checking whether" | |
188 | echo "a patch is already applied." | |
189 | } | |
190 | ||
37d25209 | 191 | while test "$1" = "-f" ; do |
192 | force=`expr $force + 1` | |
189935b1 | 193 | shift |
194 | done | |
195 | ||
196 | case "$1" in | |
197 | add) | |
198 | shift | |
199 | for name in $* ; do | |
200 | patch_add $name | |
201 | done | |
202 | update_patchlist | |
203 | ;; | |
204 | del) | |
205 | shift | |
206 | for name in $* ; do | |
207 | patch_del $name | |
208 | done | |
209 | update_patchlist | |
210 | ;; | |
211 | test) | |
212 | shift | |
213 | patch_test $* | |
214 | ;; | |
215 | list) | |
216 | patch_list | |
217 | ;; | |
218 | update) | |
219 | update_patchlist | |
220 | ;; | |
221 | *) | |
222 | do_help | |
223 | ;; | |
224 | esac | |
225 | ||
226 | exit $retcode |