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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 $state in
subcommand)
subcommands=(
"properties:Display all project properties"
"tasks:Calculate and display all tasks"
"dependencies:Calculate and display all dependencies"
"projects:Discover and display all sub-projects"
"build:Build the project"
"help:Display help"
)
_describe -t subcommands 'gradle subcommands' subcommands && ret=0
esac
return ret
}
function _gradle_arguments() {
_arguments -C \
'-a[Do not rebuild project dependencies]' \
'-h[Help]' \
'-D[System property]' \
'-d[Log at the debug level]' \
'--gui[Launches the Gradle GUI app]' \
'--stop[Stop the Gradle daemon]' \
'--daemon[Use the Gradle daemon]' \
'--no-daemon[Do not use the Gradle daemon]' \
'--rerun-task [Specifies that any task optimization is ignored.]' \
'-i[Log at the info level]' \
'-m[Dry run]' \
'-P[Set a project property]' \
'-p[Specifies the start directory]' \
'--profile[Profile the build time]' \
'-q[Log at the quiet level (only show errors)]' \
'-v[Print the Gradle version info]' \
'-x[Specify a task to be excluded]' \
'-b[Specifies the build file.]' \
'-c[Specifies the settings file.]' \
'--continue[Continues task execution after a task failure.]' \
'-g[Specifies the Gradle user home directory.]' \
'-I[Specifies an initialization script.]' \
'--refresh-dependencies[Refresh the state of dependencies.]' \
'-u[Don''t search in parent directories for a settings.gradle file.]' \
'*::command:->command' \
&& return 0
}
##############################################################################
# Examine the build.gradle file to see if its timestamp has changed;
# and if so, regenerate the .gradle_tasks cache file
############################################################################
_gradle_does_task_list_need_generating () {
[[ ! -f .gradletasknamecache ]] || [[ build.gradle -nt .gradletasknamecache ]]
}
##############
# Parse the tasks from `gradle(w) tasks --all` and return them to the calling function.
# All lines in the output from gradle(w) that are between /^-+$/ 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, echo the buffer to the calling function
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 <<< "$1"
}
##############
# Gradle tasks from subprojects are allowed to be executed without specifying
# the subproject; that task will then be called on all subprojects.
# gradle(w) tasks --all only lists tasks per subproject, but when autocompleting
# we often want to be able to run a specific task on all subprojects, e.g.
# "gradle clean".
# This function uses the list of tasks from "gradle tasks --all", and for each
# line grabs everything after the last ":" and combines that output with the original
# output. The combined list is returned as the result of this function.
##############
_gradle_parse_and_extract_tasks () {
# All tasks
tasks=$(_gradle_parse_tasks "$1")
# Task name without sub project(s) prefix
simple_tasks=$(echo $tasks | awk 'BEGIN { FS = ":" } { print $NF }')
echo "$tasks\n$simple_tasks"
}
##############################################################################
# Discover the gradle tasks by running "gradle tasks --all"
############################################################################
_gradle_tasks () {
if [[ -f build.gradle ]]; then
_gradle_arguments
if _gradle_does_task_list_need_generating; then
_gradle_parse_and_extract_tasks "$(gradle tasks --all)" > .gradletasknamecache
fi
compadd -X "==== Gradle Tasks ====" $(cat .gradletasknamecache)
fi
}
_gradlew_tasks () {
if [[ -f build.gradle ]]; then
_gradle_arguments
if _gradle_does_task_list_need_generating; then
_gradle_parse_and_extract_tasks "$(./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
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