blob: cacab520a98eda44dc11324fe529caa44e33a1a9 (
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
|
#!/bin/bash
#
# MKPatch 2.0.0: Simple patch program to .mkbuild models
# feedback: rudsonaalves at yahoo.com.br | gpl
#
# mkbuild 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 any later version.
#
# mkbuild 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, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA
#
# Input:
# - $1 Diff_File
# - #2 Source_File
#
# Version:
PROG_VERSION=2.0
BASENAME=`basename $0`
# Errors codes. From common.sh
ERROR_FILE_NOTFOUND=${ERROR_FILE_NOTFOUND:=100}
ERROR_PAR_NUMBER=${ERROR_PAR_NUMBER:=102}
ERROR_MKPATCH=${ERROR_MKPATCH:=600}
# check input arguments
if [ "$1" = "--help" -o "$1" = "-h" ]; then
echo "Use: $BASENAME <diff_file> <source_file>"
exit $ERROR_HELP
fi
# check number of parameters
[ $# -ne 2 ] && exit $ERROR_PAR_NUMBER
# check diff_file exit
[ ! -e $1 ] && exit $ERROR_FILE_NOTFOUND
# check source_file exit
[ ! -e $2 ] && exit $ERROR_FILE_NOTFOUND
# Change IFS value to <ENTER> only
OLD_IFS=$IFS
IFS='
'
# Read vector from patch file
index=0
while read line; do
Diff_lines[index]="`echo $line | cut -c2-`"
Diff_action[index]="`echo $line | cut -c1`"
let index++
done < $1
let Diff_n_lines=index-1
# Read vector from source file
index=0
while read line; do
Source_lines[index]="$line"
let index++
done < $2
let Source_n_lines=index-1
# Rescue IFS value
IFS=$OLD_IFS
# Stating variables
Source_index=0
Diff_index=0
Diff_pointer=0
Status_diff=0
# Output vector
Output=""
Output_index=0
# Apply patch
while [ $Source_index -le $Source_n_lines -a $Diff_index -le $Diff_n_lines ]; do
# make Actions
case "${Diff_action[Diff_index]}" in
'-')
if [ "${Source_lines[Source_index]}" == "${Diff_lines[Diff_index]}" ]; then
Status_diff=1
let Diff_index++
else
Diff_index=$Diff_pointer
Status_diff=0
Output[Output_index]="${Source_lines[Souce_index]}"
let Output_index++
fi
let Source_index++
;;
'+')
Output[Output_index]="${Diff_lines[Diff_index]}"
let Diff_index++
let Output_index++
;;
' ')
if [ "${Source_lines[Source_index]}" == "${Diff_lines[Diff_index]}" ]; then
Status_diff=1
let Diff_index++
else
Status_diff=0
Diff_index=$Diff_pointer
fi
Output[Output_index]="${Source_lines[Source_index]}"
let Output_index++
let Source_index++
;;
'=')
let Diff_index++
Status_diff=0
Diff_pointer=$Diff_index
;;
'*')
echo "Invalid diff action."
exit $ERROR_MKPATCH
;;
esac
done
# Check end of file mkSlackBuild
if [ $Diff_index -gt $Diff_n_lines -a $Source_index -le $Source_n_lines ]; then
# write the rest of mkSlackBuild in Output vector
for index in `seq $Source_index $Source_n_lines`; do
Output[Output_index]="${Source_lines[index]}"
let Output_index++
done
elif [ $Diff_index -le $Diff_n_lines ]; then
# Write others addlines, "+", in Output vector
while [ "${Diff_Action[Diff_index]}" == "+" ]; do
Output[Output_index]="${Diff_lines[Diff_index]}"
let Diff_index++
let Output_index++
done
fi
# Print Output file
for index in `seq 1 $Output_index`; do
echo "${Output[$index-1]}"
done
|
