gradlew 8.6 KB

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  1. #!/bin/sh
  2. #
  3. # Copyright © 2015-2021 the original authors.
  4. #
  5. # Licensed under the Apache License, Version 2.0 (the "License");
  6. # you may not use this file except in compliance with the License.
  7. # You may obtain a copy of the License at
  8. #
  9. # https://www.apache.org/licenses/LICENSE-2.0
  10. #
  11. # Unless required by applicable law or agreed to in writing, software
  12. # distributed under the License is distributed on an "AS IS" BASIS,
  13. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. # See the License for the specific language governing permissions and
  15. # limitations under the License.
  16. #
  17. # SPDX-License-Identifier: Apache-2.0
  18. #
  19. ##############################################################################
  20. #
  21. # Gradle start up script for POSIX generated by Gradle.
  22. #
  23. # Important for running:
  24. #
  25. # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
  26. # noncompliant, but you have some other compliant shell such as ksh or
  27. # bash, then to run this script, type that shell name before the whole
  28. # command line, like:
  29. #
  30. # ksh Gradle
  31. #
  32. # Busybox and similar reduced shells will NOT work, because this script
  33. # requires all of these POSIX shell features:
  34. # * functions;
  35. # * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
  36. # «${var#prefix}», «${var%suffix}», and «$( cmd )»;
  37. # * compound commands having a testable exit status, especially «case»;
  38. # * various built-in commands including «command», «set», and «ulimit».
  39. #
  40. # Important for patching:
  41. #
  42. # (2) This script targets any POSIX shell, so it avoids extensions provided
  43. # by Bash, Ksh, etc; in particular arrays are avoided.
  44. #
  45. # The "traditional" practice of packing multiple parameters into a
  46. # space-separated string is a well documented source of bugs and security
  47. # problems, so this is (mostly) avoided, by progressively accumulating
  48. # options in "$@", and eventually passing that to Java.
  49. #
  50. # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
  51. # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
  52. # see the in-line comments for details.
  53. #
  54. # There are tweaks for specific operating systems such as AIX, CygWin,
  55. # Darwin, MinGW, and NonStop.
  56. #
  57. # (3) This script is generated from the Groovy template
  58. # https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
  59. # within the Gradle project.
  60. #
  61. # You can find Gradle at https://github.com/gradle/gradle/.
  62. #
  63. ##############################################################################
  64. # Attempt to set APP_HOME
  65. # Resolve links: $0 may be a link
  66. app_path=$0
  67. # Need this for daisy-chained symlinks.
  68. while
  69. APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
  70. [ -h "$app_path" ]
  71. do
  72. ls=$( ls -ld "$app_path" )
  73. link=${ls#*' -> '}
  74. case $link in #(
  75. /*) app_path=$link ;; #(
  76. *) app_path=$APP_HOME$link ;;
  77. esac
  78. done
  79. # This is normally unused
  80. # shellcheck disable=SC2034
  81. APP_BASE_NAME=${0##*/}
  82. # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
  83. APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
  84. ' "$PWD" ) || exit
  85. # Use the maximum available, or set MAX_FD != -1 to use that value.
  86. MAX_FD=maximum
  87. warn () {
  88. echo "$*"
  89. } >&2
  90. die () {
  91. echo
  92. echo "$*"
  93. echo
  94. exit 1
  95. } >&2
  96. # OS specific support (must be 'true' or 'false').
  97. cygwin=false
  98. msys=false
  99. darwin=false
  100. nonstop=false
  101. case "$( uname )" in #(
  102. CYGWIN* ) cygwin=true ;; #(
  103. Darwin* ) darwin=true ;; #(
  104. MSYS* | MINGW* ) msys=true ;; #(
  105. NONSTOP* ) nonstop=true ;;
  106. esac
  107. CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
  108. # Determine the Java command to use to start the JVM.
  109. if [ -n "$JAVA_HOME" ] ; then
  110. if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
  111. # IBM's JDK on AIX uses strange locations for the executables
  112. JAVACMD=$JAVA_HOME/jre/sh/java
  113. else
  114. JAVACMD=$JAVA_HOME/bin/java
  115. fi
  116. if [ ! -x "$JAVACMD" ] ; then
  117. die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
  118. Please set the JAVA_HOME variable in your environment to match the
  119. location of your Java installation."
  120. fi
  121. else
  122. JAVACMD=java
  123. if ! command -v java >/dev/null 2>&1
  124. then
  125. die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
  126. Please set the JAVA_HOME variable in your environment to match the
  127. location of your Java installation."
  128. fi
  129. fi
  130. # Increase the maximum file descriptors if we can.
  131. if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
  132. case $MAX_FD in #(
  133. max*)
  134. # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
  135. # shellcheck disable=SC2039,SC3045
  136. MAX_FD=$( ulimit -H -n ) ||
  137. warn "Could not query maximum file descriptor limit"
  138. esac
  139. case $MAX_FD in #(
  140. '' | soft) :;; #(
  141. *)
  142. # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
  143. # shellcheck disable=SC2039,SC3045
  144. ulimit -n "$MAX_FD" ||
  145. warn "Could not set maximum file descriptor limit to $MAX_FD"
  146. esac
  147. fi
  148. # Collect all arguments for the java command, stacking in reverse order:
  149. # * args from the command line
  150. # * the main class name
  151. # * -classpath
  152. # * -D...appname settings
  153. # * --module-path (only if needed)
  154. # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
  155. # For Cygwin or MSYS, switch paths to Windows format before running java
  156. if "$cygwin" || "$msys" ; then
  157. APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
  158. CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
  159. JAVACMD=$( cygpath --unix "$JAVACMD" )
  160. # Now convert the arguments - kludge to limit ourselves to /bin/sh
  161. for arg do
  162. if
  163. case $arg in #(
  164. -*) false ;; # don't mess with options #(
  165. /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
  166. [ -e "$t" ] ;; #(
  167. *) false ;;
  168. esac
  169. then
  170. arg=$( cygpath --path --ignore --mixed "$arg" )
  171. fi
  172. # Roll the args list around exactly as many times as the number of
  173. # args, so each arg winds up back in the position where it started, but
  174. # possibly modified.
  175. #
  176. # NB: a `for` loop captures its iteration list before it begins, so
  177. # changing the positional parameters here affects neither the number of
  178. # iterations, nor the values presented in `arg`.
  179. shift # remove old arg
  180. set -- "$@" "$arg" # push replacement arg
  181. done
  182. fi
  183. # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
  184. DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
  185. # Collect all arguments for the java command:
  186. # * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
  187. # and any embedded shellness will be escaped.
  188. # * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
  189. # treated as '${Hostname}' itself on the command line.
  190. set -- \
  191. "-Dorg.gradle.appname=$APP_BASE_NAME" \
  192. -classpath "$CLASSPATH" \
  193. org.gradle.wrapper.GradleWrapperMain \
  194. "$@"
  195. # Stop when "xargs" is not available.
  196. if ! command -v xargs >/dev/null 2>&1
  197. then
  198. die "xargs is not available"
  199. fi
  200. # Use "xargs" to parse quoted args.
  201. #
  202. # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
  203. #
  204. # In Bash we could simply go:
  205. #
  206. # readarray ARGS < <( xargs -n1 <<<"$var" ) &&
  207. # set -- "${ARGS[@]}" "$@"
  208. #
  209. # but POSIX shell has neither arrays nor command substitution, so instead we
  210. # post-process each arg (as a line of input to sed) to backslash-escape any
  211. # character that might be a shell metacharacter, then use eval to reverse
  212. # that process (while maintaining the separation between arguments), and wrap
  213. # the whole thing up as a single "set" statement.
  214. #
  215. # This will of course break if any of these variables contains a newline or
  216. # an unmatched quote.
  217. #
  218. eval "set -- $(
  219. printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
  220. xargs -n1 |
  221. sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
  222. tr '\n' ' '
  223. )" '"$@"'
  224. exec "$JAVACMD" "$@"