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
|
#!/bin/bash
#
# (c) 2013 - 2016 PrydeWorX
# Sven Eden, PrydeWorX - Bardowick, Germany
# yamakuzure@users.sourceforge.net
#
# 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 3 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/>.
#
# History and Changelog:
# Version Date Maintainer Change(s)
# 0.1.0 2013-06-01 sed, PrydeWorX First common function for
# pwx_git_getter and pwx_git_applier.
# 0.2.0 2016-11-18 sed, PrydeWorX Added exchanges array and
# add_exchange() function.
#
# Make sure a known output is generated:
export LC_ALL="C"
# Error out if an unset variable or function is used
set -u
# Save IFS so it can be restored if someone ctrl+c's while IFS is patched
declare PWX_OLD_IFS="$IFS"
# @VARIABLE: PWX_EXCHANGES
# @DESCRIPTION:
# Array of <t:s> strings used by pwx_git_getter to substitute path names when
# searching for files, and after generating commit patches.
# This is put here as there might be a need for it in pwx_git_applier, too.
declare -a PWX_EXCHANGES=()
# @VARIABLE: PWX_TEMP_FILES
# @DESCRIPTION:
# Array of temporary files that get deleted when calling cleanup().
declare -a PWX_TEMP_FILES=()
# @VARIABLE: PWX_ERR_LOG
# @DESCRIPTION:
# Path to a file that gets dumped on the console when calling die().
declare PWX_ERR_LOG=""
# @VARIABLE: HERE
# @DESCRIPTION:
# Simple full path of the current working directory.
declare HERE="$(pwd -P)"
# @VARIABLE: PWX_COMMIT_FILE
# @DESCRIPTION
# The name of the file that stores mutual commit information.
declare PWX_COMMIT_FILE="${PROGDIR}/pwx_last_mutual_commits.txt"
# @VARIABLE: PWX_IS_PUSHD
# @DESCRIPTION
# If set to 1, the die() function knows that it has to perform a popd.
declare PWX_IS_PUSHD=0
# FUNCTION: add_exchange
# @USAGE: <string>
# @DESCRIPTION:
# Add <string> to the PWX_EXCHANGES array
add_exchange() {
local f x present
for f in "$@" ; do
present=0
for x in "${PWX_EXCHANGES[@]}" ; do
if [[ "x$f" = "x$x" ]]; then
present=1
break
fi
done
if [[ 0 -eq $present ]]; then
PWX_EXCHANGES[${#PWX_EXCHANGES[@]}]="$f"
fi
done
}
# FUNCTION: add_temp
# @USAGE: <file [...]>
# @DESCRIPTION:
# Add 1..n files to the PWX_TEMP_FILES array
add_temp() {
local f x present
for f in "$@" ; do
present=0
for x in "${PWX_TEMP_FILES[@]}" ; do
if [[ "x$f" = "x$x" ]]; then
present=1
break
fi
done
if [[ 0 -eq $present ]]; then
PWX_TEMP_FILES[${#PWX_TEMP_FILES[@]}]="$f"
fi
done
}
# FUNCTION: cleanup
# @USAGE:
# @DESCRIPTION:
# Remove all (present) files in the PWX_TEMP_FILES array
cleanup() {
for f in "${PWX_TEMP_FILES[@]}" ; do
[[ -f "$f" ]] && rm -f $f
done
}
# @FUNCTION: die
# @USAGE: [message]
# @DESCRIPTION:
# print out [message], cat error log if not empty,
# delete all files listed in PWX_TEMP_FILES and exit
# with error code 255.
# If we are in pushd state, popd back before exiting
die() {
local f msg="$@"
# Reset IFS
export IFS="$PWX_OLD_IFS"
# Get the message out
if [[ -n "$msg" ]]; then
echo -e "\n$msg\n"
else
echo -e "\nDIE\n"
fi
if [[ -n "$PWX_ERR_LOG" ]] \
&& [[ 0 -lt $(wc -l $PWX_ERR_LOG | cut -d ' ' -f 1) ]]; then
echo -e "Last error log:\n========"
cat $PWX_ERR_LOG
echo "========"
fi
cleanup
if [[ 0 -ne $PWX_IS_PUSHD ]]; then
popd 1>/dev/null 2>&1
fi
exit 255
}
trap die SIGINT SIGKILL SIGTERM
return 0
|
