blob: 34b655c69b8240e79ca4dce740f5c649ed12328c (
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
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
|
#!/bin/bash
# pacdiff : a simple pacnew/pacorig/pacsave updater
#
# Copyright (c) 2007 Aaron Griffin <aaronmgriffin@gmail.com>
# Copyright (c) 2013 Pacman Development Team <pacman-dev@archlinux.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
shopt -s extglob
declare -r myname='pacdiff'
declare -r myver='@PACKAGE_VERSION@'
diffprog=${DIFFPROG:-vimdiff}
diffsearchpath=${DIFFSEARCHPATH:-/etc}
USE_COLOR='y'
declare -a oldsaves
declare -i USE_FIND=0 USE_LOCATE=0 USE_PACDB=0
m4_include(../scripts/library/output_format.sh)
usage() {
cat <<EOF
$myname is a simple pacnew/pacorig/pacsave updater.
Usage: $myname [-l | -f | -p] [--nocolor]
Search Options: select one, default: find
-l/--locate scan using locate
-f/--find scan using find
-p/--pacmandb scan active config files from pacman db
General Options:
--nocolor remove colors from output
Enviroment Variables:
DIFFPROG override the merge program: (default: vimdiff)
DIFFSEARCHPATH override the search path. (only when using find)
(default: /etc)
Example: DIFFPROG=meld DIFFSEARCHPATH="/boot /etc /usr" $myname
EOF
}
version() {
printf "%s %s\n" "$myname" "$myver"
echo 'Copyright (C) 2007 Aaron Griffin <aaronmgriffin@gmail.com>'
echo 'Copyright (C) 2013 Pacman Development Team <pacman-dev@archlinux.org>'
}
print_existing() {
[[ -f "$1" ]] && printf '%s\0' "$1"
}
print_existing_pacsave(){
for f in "${1}"?(.+([0-9])); do
[[ -f $f ]] && printf '%s\0' "$f"
done
}
cmd() {
if (( USE_LOCATE )); then
locate -0 -e -b \*.pacnew \*.pacorig \*.pacsave '*.pacsave.[0-9]*'
elif (( USE_FIND )); then
find $diffsearchpath \( -name \*.pacnew -o -name \*.pacorig -o -name \*.pacsave -o -name '*.pacsave.[0-9]*' \) -print0
elif (( USE_PACDB )); then
awk '/^%BACKUP%$/ {
while (getline) {
if (/^$/) { nextfile }
print $1
}
}' "${pac_db}"/*/files | while read -r bkup; do
print_existing "/$bkup.pacnew"
print_existing "/$bkup.pacorig"
print_existing_pacsave "/$bkup.pacsave"
done
fi
}
while [[ -n "$1" ]]; do
case "$1" in
-l|--locate)
USE_LOCATE=1;;
-f|--find)
USE_FIND=1;;
-p|--pacmandb)
USE_PACDB=1;;
--nocolor)
USE_COLOR='n';;
-V|--version)
version; exit 0;;
-h|--help)
usage; exit 0;;
*)
usage; exit 1;;
esac
shift
done
m4_include(../scripts/library/term_colors.sh)
case $(( USE_FIND + USE_LOCATE + USE_PACDB )) in
0) USE_FIND=1;; # set the default search option
[^1]) error "Only one search option may be used at a time"
usage; exit 1;;
esac
if (( USE_PACDB )); then
if [[ ! -r @sysconfdir@/pacman.conf ]]; then
error "unable to read @sysconfdir@/pacman.conf"
usage; exit 1
fi
eval $(awk '/DBPath/ {print $1$2$3}' @sysconfdir@/pacman.conf)
pac_db="${DBPath:-@localstatedir@/lib/pacman/}local"
if [[ ! -d "${pac_db}" ]]; then
error "unable to read pacman db %s". "${pac_db}"
usage; exit 1
fi
fi
# see http://mywiki.wooledge.org/BashFAQ/020
while IFS= read -u 3 -r -d '' pacfile; do
file="${pacfile%.pac*}"
file_type="pac${pacfile##*.pac}"
# add matches for pacsave.N to oldsaves array, do not prompt
if [[ $file_type = pacsave.+([0-9]) ]]; then
oldsaves+=("$pacfile")
continue
fi
msg "%s file found for %s" "$file_type" "$file"
if [ ! -f "$file" ]; then
warning "$file does not exist"
rm -iv "$pacfile"
continue
fi
if cmp -s "$pacfile" "$file"; then
msg2 "Files are identical, removing..."
rm -v "$pacfile"
else
ask "(V)iew, (S)kip, (R)emove %s, (O)verwrite with %s, (Q)uit: [v/s/r/o/q] " "$file_type" "$file_type"
while read c; do
case $c in
q|Q) exit 0;;
r|R) rm -v "$pacfile"; break ;;
o|O) mv -v "$pacfile" "$file"; break ;;
v|V)
$diffprog "$pacfile" "$file"
rm -iv "$pacfile"; break ;;
s|S) break ;;
*) ask "Invalid answer. Try again: [v/s/r/o/q] "; continue ;;
esac
done
fi
done 3< <(cmd)
(( ${#oldsaves[@]} )) && warning "Ignoring %s" "${oldsaves[@]}"
exit 0
# vim: set ts=2 sw=2 noet:
|