1#! /bin/sh
2
3# Launch FindBugs from the command line.
4
5escape_arg() {
6	echo "$1" | sed -e "s,\\([\\\"' 	]\\),\\\\\\1,g"
7}
8
9program="$0"
10
11# Follow symlinks until we get to the actual file.
12while [ -h "$program" ]; do
13	link=`ls -ld "$program"`
14	link=`expr "$link" : '.*-> \(.*\)'`
15	if [ "`expr "$link" : '/.*'`" = 0 ]; then
16		# Relative
17		dir=`dirname "$program"`
18		program="$dir/$link"
19	else
20		# Absolute
21		program="$link"
22	fi
23done
24
25# Assume findbugs home directory is the parent
26# of the directory containing the script (which should
27# normally be "$findbugs_home/bin").
28dir=`dirname "$program"`
29findbugs_home="$dir/.."
30
31# Handle FHS-compliant installations (e.g., Fink)
32if [ -d "$findbugs_home/share/findbugs" ]; then
33	findbugs_home="$findbugs_home/share/findbugs"
34fi
35
36# Make absolute
37findbugs_home=`cd "$findbugs_home" && pwd`
38
39fb_pathsep=':'
40
41# Handle cygwin, courtesy of Peter D. Stout
42fb_osname=`uname`
43if [ `expr "$fb_osname" : CYGWIN` -ne 0 ]; then
44	findbugs_home=`cygpath --mixed "$findbugs_home"`
45	fb_pathsep=';'
46fi
47# Handle MKS, courtesy of Kelly O'Hair
48if [ "${fb_osname}" = "Windows_NT" ]; then
49	fb_pathsep=';'
50fi
51
52if [ ! -d "$findbugs_home" ]; then
53	echo "The path $findbugs_home,"
54	echo "which is where I think FindBugs is located,"
55	echo "does not seem to be a directory."
56	exit 1
57fi
58
59# Choose default java binary
60fb_javacmd=java
61if [ ! -z "$JAVA_HOME" ] && [ -x "$JAVA_HOME/bin/java" ]; then
62	if [ `expr "$fb_osname" : CYGWIN` -ne 0 ]; then
63		fb_javacmd=`cygpath --mixed "$JAVA_HOME"`/bin/java
64	else
65		fb_javacmd="$JAVA_HOME/bin/java"
66	fi
67fi
68
69
70fb_appjar="$findbugs_home/lib/findbugs.jar"
71
72ShowHelpAndExit() {
73	fb_mainclass="edu.umd.cs.findbugs.ShowHelp"
74	fb_javacmd=${fb_javacmd:-"java"}
75fb_maxheap=${fb_maxheap:-"-Xmx768m"}
76fb_appjar=${fb_appjar:-"$findbugs_home/lib/findbugs.jar"}
77set -f
78#echo command: \
79exec "$fb_javacmd" \
80	-classpath "$fb_appjar$fb_pathsep$CLASSPATH" \
81	-Dfindbugs.home="$findbugs_home"\
82	$fb_maxheap $fb_jvmargs $fb_mainclass ${@:+"$@"} $fb_appargs
83	exit 0
84}
85
86# Set defaults
87fb_mainclass="edu.umd.cs.findbugs.workflow.FB"
88user_jvmargs=''
89ea_arg=''
90debug_arg=''
91conservespace_arg=''
92workhard_arg=''
93user_props=''
94
95# Handle command line arguments.
96while [ $# -gt 0 ]; do
97	case $1 in
98	-textui)
99		fb_mainclass="edu.umd.cs.findbugs.FindBugs2"
100		;;
101
102	-jvmArgs)
103		shift
104		user_jvmargs="$1"
105		;;
106
107	-ea)
108		ea_arg='-ea'
109		;;
110
111	-maxHeap)
112		shift
113		fb_maxheap="-Xmx$1m"
114		;;
115
116	-javahome)
117		shift
118		fb_javacmd="$1/bin/java"
119		;;
120
121	-debug)
122		debug_arg="-Dfindbugs.debug=true"
123		;;
124
125	-conserveSpace)
126		conservespace_arg="-Dfindbugs.conserveSpace=true"
127		;;
128
129	-property)
130		shift
131		user_props="-D$1 $user_props"
132		;;
133
134	-D*=*)
135		user_props="$1 $user_props"
136		;;
137
138	-version)
139		fb_mainclass=edu.umd.cs.findbugs.Version
140		fb_appargs="-release"
141		while [ $# -gt 0 ]; do
142			shift
143		done
144		fb_javacmd=${fb_javacmd:-"java"}
145fb_maxheap=${fb_maxheap:-"-Xmx768m"}
146fb_appjar=${fb_appjar:-"$findbugs_home/lib/findbugs.jar"}
147set -f
148#echo command: \
149exec "$fb_javacmd" \
150	-classpath "$fb_appjar$fb_pathsep$CLASSPATH" \
151	-Dfindbugs.home="$findbugs_home"\
152	$fb_maxheap $fb_jvmargs $fb_mainclass ${@:+"$@"} $fb_appargs
153		exit 0
154		;;
155
156	-help)
157		ShowHelpAndExit
158		;;
159
160	# All unrecognized arguments will be accumulated and
161	# passed to the application.
162	*)
163		fb_appargs="$fb_appargs `escape_arg "$1"`"
164		;;
165	esac
166
167	shift
168done
169
170fb_jvmargs="$user_jvmargs $debug_arg $conservespace_arg $workhard_arg $user_props $ea_arg"
171if [ $maxheap ]; then
172  fb_maxheap="-Xmx${maxheap}m"
173fi
174
175# Extra JVM args for MacOSX.
176if [ $fb_osname = "Darwin" ]; then
177	fb_jvmargs="$fb_jvmargs \
178		-Xdock:name=FindBugs -Xdock:icon=${findbugs_home}/lib/buggy.icns \
179		-Dapple.laf.useScreenMenuBar=true"
180fi
181
182fb_javacmd=${fb_javacmd:-"java"}
183fb_maxheap=${fb_maxheap:-"-Xmx768m"}
184fb_appjar=${fb_appjar:-"$findbugs_home/lib/findbugs.jar"}
185set -f
186#echo command: \
187exec "$fb_javacmd" \
188	-classpath "$fb_appjar$fb_pathsep$CLASSPATH" \
189	-Dfindbugs.home="$findbugs_home"\
190	$fb_maxheap $fb_jvmargs $fb_mainclass ${@:+"$@"} $fb_appargs
191
192# vim:ts=3
193