fetch
The fetch command, like the resolve command, resolves
the transitive dependencies of one or more dependencies. It also goes one step
further, by downloading their artifacts, and printing their paths.
Use like
$ coursier fetch org.http4s:http4s-dsl_2.12:1.18.21
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.12.6/scala-reflect-2.12.6.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.12.7/scala-library-2.12.7.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/http4s/http4s-websocket_2.12/0.2.1/http4s-websocket_2.12-0.2.1.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/scodec/scodec-bits_2.12/1.1.6/scodec-bits_2.12-1.1.6.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/typelevel/machinist_2.12/0.6.5/machinist_2.12-0.6.5.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/typelevel/cats-effect_2.12/0.10.1/cats-effect_2.12-0.10.1.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/typelevel/cats-core_2.12/1.4.0/cats-core_2.12-1.4.0.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/typelevel/cats-macros_2.12/1.4.0/cats-macros_2.12-1.4.0.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/log4s/log4s_2.12/1.6.1/log4s_2.12-1.6.1.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/http4s/parboiled_2.12/1.0.0/parboiled_2.12-1.0.0.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/typelevel/cats-kernel_2.12/1.4.0/cats-kernel_2.12-1.4.0.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/http4s/http4s-core_2.12/0.18.21/http4s-core_2.12-0.18.21.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/co/fs2/fs2-scodec_2.12/0.10.6/fs2-scodec_2.12-0.10.6.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/http4s/http4s-dsl_2.12/0.18.21/http4s-dsl_2.12-0.18.21.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/co/fs2/fs2-io_2.12/0.10.6/fs2-io_2.12-0.10.6.jar
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/co/fs2/fs2-core_2.12/0.10.6/fs2-core_2.12-0.10.6.jar
Classpath format
Optionally, when passed the -p or --classpath option, the fetch command
can print its output in a format that can be passed as-is to java -cp, like
$ coursier fetch -p com.lihaoyi:ammonite_2.12.8:1.6.0
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/io/get-coursier/coursier_2.12/1.1.0-M7/coursier_2.12-1.1.0-M7.jar:/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/jline/jline-terminal/3.6.2/jline-terminal-3.6.2.jar:…
$ java -cp "$(coursier fetch -p com.lihaoyi:ammonite_2.12.8:1.6.0)" ammonite.Main
Loading...
Welcome to the Ammonite Repl 1.6.0
(Scala 2.12.8 Java 1.8.0_121)
@
(Note that Ammonite in the example above can be launched
directly and more conveniently with the launch command.)
Source JARs
To fetch source JARs rather than standard JARs, pass the --sources option,
like
$ coursier fetch --sources com.lihaoyi:ammonite_2.12.8:1.6.0
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/javassist/javassist/3.21.0-GA/javassist-3.21.0-GA-sources.jar
…
Javadoc
To fetch javadoc JARs rather than standard JARs, pass the --javadoc option,
like
$ coursier fetch --javadoc com.lihaoyi:ammonite_2.12.8:1.6.0
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/com/lihaoyi/sourcecode_2.12/0.1.5/sourcecode_2.12-0.1.5-javadoc.jar
…
Multiple classifiers
With both --sources and --javadoc, if you want to retain standard JARs along
sources or javadoc JARs, pass --default=true to force fetching the default
JARs too, like
$ coursier fetch --default=true --sources com.lihaoyi:ammonite_2.12.8:1.6.0
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/javassist/javassist/3.21.0-GA/javassist-3.21.0-GA-sources.jar
…
/path/to/coursier/cache/v1/https/repo1.maven.org/maven2/org/jline/jline-terminal/3.6.2/jline-terminal-3.6.2.jar
…