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1 | 1 | #!/bin/sh |
2 | 2 |
|
3 | 3 | # |
4 | | -# Copyright � 2015-2021 the original authors. |
| 4 | +# Copyright © 2015-2021 the original authors. |
5 | 5 | # |
6 | 6 | # Licensed under the Apache License, Version 2.0 (the "License"); |
7 | 7 | # you may not use this file except in compliance with the License. |
|
15 | 15 | # See the License for the specific language governing permissions and |
16 | 16 | # limitations under the License. |
17 | 17 | # |
| 18 | +# SPDX-License-Identifier: Apache-2.0 |
| 19 | +# |
18 | 20 |
|
19 | 21 | ############################################################################## |
20 | 22 | # |
|
32 | 34 | # Busybox and similar reduced shells will NOT work, because this script |
33 | 35 | # requires all of these POSIX shell features: |
34 | 36 | # * functions; |
35 | | -# * expansions �$var�, �${var}�, �${var:-default}�, �${var+SET}�, |
36 | | -# �${var#prefix}�, �${var%suffix}�, and �$( cmd )�; |
37 | | -# * compound commands having a testable exit status, especially �case�; |
38 | | -# * various built-in commands including �command�, �set�, and �ulimit�. |
| 37 | +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», |
| 38 | +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; |
| 39 | +# * compound commands having a testable exit status, especially «case»; |
| 40 | +# * various built-in commands including «command», «set», and «ulimit». |
39 | 41 | # |
40 | 42 | # Important for patching: |
41 | 43 | # |
|
55 | 57 | # Darwin, MinGW, and NonStop. |
56 | 58 | # |
57 | 59 | # (3) This script is generated from the Groovy template |
58 | | -# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt |
| 60 | +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt |
59 | 61 | # within the Gradle project. |
60 | 62 | # |
61 | 63 | # You can find Gradle at https://github.com/gradle/gradle/. |
|
80 | 82 | esac |
81 | 83 | done |
82 | 84 |
|
83 | | -APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit |
84 | | - |
85 | | -APP_NAME="Gradle" |
| 85 | +# This is normally unused |
| 86 | +# shellcheck disable=SC2034 |
86 | 87 | APP_BASE_NAME=${0##*/} |
87 | | - |
88 | | -# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. |
89 | | -DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' |
| 88 | +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) |
| 89 | +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s |
| 90 | +' "$PWD" ) || exit |
90 | 91 |
|
91 | 92 | # Use the maximum available, or set MAX_FD != -1 to use that value. |
92 | 93 | MAX_FD=maximum |
@@ -133,22 +134,29 @@ location of your Java installation." |
133 | 134 | fi |
134 | 135 | else |
135 | 136 | JAVACMD=java |
136 | | - which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. |
| 137 | + if ! command -v java >/dev/null 2>&1 |
| 138 | + then |
| 139 | + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. |
137 | 140 |
|
138 | 141 | Please set the JAVA_HOME variable in your environment to match the |
139 | 142 | location of your Java installation." |
| 143 | + fi |
140 | 144 | fi |
141 | 145 |
|
142 | 146 | # Increase the maximum file descriptors if we can. |
143 | 147 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then |
144 | 148 | case $MAX_FD in #( |
145 | 149 | max*) |
| 150 | + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. |
| 151 | + # shellcheck disable=SC2039,SC3045 |
146 | 152 | MAX_FD=$( ulimit -H -n ) || |
147 | 153 | warn "Could not query maximum file descriptor limit" |
148 | 154 | esac |
149 | 155 | case $MAX_FD in #( |
150 | 156 | '' | soft) :;; #( |
151 | 157 | *) |
| 158 | + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. |
| 159 | + # shellcheck disable=SC2039,SC3045 |
152 | 160 | ulimit -n "$MAX_FD" || |
153 | 161 | warn "Could not set maximum file descriptor limit to $MAX_FD" |
154 | 162 | esac |
@@ -193,18 +201,28 @@ if "$cygwin" || "$msys" ; then |
193 | 201 | done |
194 | 202 | fi |
195 | 203 |
|
196 | | -# Collect all arguments for the java command; |
197 | | -# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of |
198 | | -# shell script including quotes and variable substitutions, so put them in |
199 | | -# double quotes to make sure that they get re-expanded; and |
200 | | -# * put everything else in single quotes, so that it's not re-expanded. |
| 204 | + |
| 205 | +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. |
| 206 | +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' |
| 207 | + |
| 208 | +# Collect all arguments for the java command: |
| 209 | +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, |
| 210 | +# and any embedded shellness will be escaped. |
| 211 | +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be |
| 212 | +# treated as '${Hostname}' itself on the command line. |
201 | 213 |
|
202 | 214 | set -- \ |
203 | 215 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ |
204 | 216 | -classpath "$CLASSPATH" \ |
205 | 217 | org.gradle.wrapper.GradleWrapperMain \ |
206 | 218 | "$@" |
207 | 219 |
|
| 220 | +# Stop when "xargs" is not available. |
| 221 | +if ! command -v xargs >/dev/null 2>&1 |
| 222 | +then |
| 223 | + die "xargs is not available" |
| 224 | +fi |
| 225 | + |
208 | 226 | # Use "xargs" to parse quoted args. |
209 | 227 | # |
210 | 228 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. |
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