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.oh-my-zsh/plugins/gradle/gradle.plugin.zsh

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+##############################################################################
+# A descriptive listing of core Gradle commands
+############################################################################
+function _gradle_core_commands() {
+    local ret=1 state
+    _arguments ':subcommand:->subcommand' && ret=0
+
+    case $state in
+      subcommand)
+        subcommands=(
+          "properties:Display all project properties"
+          "tasks:Calculate and display all tasks"
+          "dependencies:Calculate and display all dependencies"
+          "projects:Discover and display all sub-projects"
+          "build:Build the project"
+          "help:Display help"
+        )
+        _describe -t subcommands 'gradle subcommands' subcommands && ret=0
+    esac
+
+    return ret
+}
+
+function _gradle_arguments() {
+    _arguments -C \
+    '-a[Do not rebuild project dependencies]' \
+    '-h[Help]' \
+    '-D[System property]' \
+    '-d[Log at the debug level]' \
+    '--gui[Launches the Gradle GUI app]' \
+    '--stop[Stop the Gradle daemon]' \
+    '--daemon[Use the Gradle daemon]' \
+    '--no-daemon[Do not use the Gradle daemon]' \
+    '--rerun-task [Specifies that any task optimization is ignored.]' \
+    '-i[Log at the info level]' \
+    '-m[Dry run]' \
+    '-P[Set a project property]' \
+    '-p[Specifies the start directory]' \
+    '--profile[Profile the build time]' \
+    '-q[Log at the quiet level (only show errors)]' \
+    '-v[Print the Gradle version info]' \
+    '-x[Specify a task to be excluded]' \
+    '-b[Specifies the build file.]' \
+    '-c[Specifies the settings file.]' \
+    '--continue[Continues task execution after a task failure.]' \
+    '-g[Specifies the Gradle user home directory.]' \
+    '-I[Specifies an initialization script.]' \
+    '--refresh-dependencies[Refresh the state of dependencies.]' \
+    '-u[Don''t search in parent directories for a settings.gradle file.]' \
+    '*::command:->command' \
+    && return 0
+}
+
+
+##############################################################################
+# Examine the build.gradle file to see if its timestamp has changed;
+# and if so, regenerate the .gradle_tasks cache file
+############################################################################
+_gradle_does_task_list_need_generating () {
+  [[ ! -f .gradletasknamecache ]] || [[ build.gradle -nt .gradletasknamecache ]]
+}
+
+##############
+# Parse the tasks from `gradle(w) tasks --all` into .gradletasknamecache
+# All lines in the output from gradle(w) that are between /^-+$/ and /^\s*$/
+# are considered to be tasks. If and when gradle adds support for listing tasks
+# for programmatic parsing, this method can be deprecated.
+##############
+_gradle_parse_tasks () {
+  lines_might_be_tasks=false
+  task_name_buffer=""
+  while read -r line; do
+    if [[ $line =~ ^-+$ ]]; then
+      lines_might_be_tasks=true
+      # Empty buffer, because it contains items that are not tasks
+      task_name_buffer=""
+    elif [[ $line =~ ^\s*$ ]]; then
+      if [[ "$lines_might_be_tasks" = true ]]; then
+        # If a newline is found, send the buffer to .gradletasknamecache
+        while read -r task; do
+          echo $task | awk '/[a-zA-Z0-9:-]+/ {print $1}'
+        done <<< "$task_name_buffer"
+        # Empty buffer, because we are done with the tasks
+        task_name_buffer=""
+      fi
+      lines_might_be_tasks=false
+    elif [[ "$lines_might_be_tasks" = true ]]; then
+      task_name_buffer="${task_name_buffer}\n${line}"
+    fi
+  done <<< "$1"
+}
+
+##############################################################################
+# Discover the gradle tasks by running "gradle tasks --all"
+############################################################################
+_gradle_tasks () {
+  if [[ -f build.gradle ]]; then
+    _gradle_arguments
+    if _gradle_does_task_list_need_generating; then
+      _gradle_parse_tasks "$(gradle tasks --all)" > .gradletasknamecache
+    fi
+    compadd -X "==== Gradle Tasks ====" $(cat .gradletasknamecache)
+  fi
+}
+
+_gradlew_tasks () {
+  if [[ -f build.gradle ]]; then
+    _gradle_arguments
+    if _gradle_does_task_list_need_generating; then
+      _gradle_parse_tasks "$(./gradlew tasks --all)" > .gradletasknamecache
+    fi
+    compadd -X "==== Gradlew Tasks ====" $(cat .gradletasknamecache)
+  fi
+}
+
+
+##############################################################################
+# Register the completions against the gradle and gradlew commands
+############################################################################
+compdef _gradle_tasks gradle
+compdef _gradlew_tasks gradlew