<s>
Boot	B-Application
is	O
a	O
build	B-Application
automation	I-Application
and	O
dependency	O
management	O
tool	O
written	O
primarily	O
in	O
the	O
Clojure	B-Language
programming	O
language	O
.	O
</s>
<s>
Boot	B-Application
was	O
originally	O
written	O
by	O
Micha	O
Niskin	O
and	O
Alan	O
Dipert	O
as	O
part	O
of	O
the	O
Hoplon	O
web	O
framework	O
.	O
</s>
<s>
As	O
of	O
May	O
2015	O
,	O
Boot	B-Application
is	O
developed	O
and	O
released	O
independently	O
of	O
Hoplon	O
.	O
</s>
<s>
Boot	B-Application
is	O
implemented	O
as	O
an	O
executable	O
entry	B-Language
point	I-Language
and	O
a	O
set	O
of	O
Clojure	B-Language
libraries	O
that	O
can	O
be	O
used	O
to	O
develop	O
build	O
processes	O
programmatically	O
.	O
</s>
<s>
The	O
spirit	O
of	O
Boot	B-Application
's	O
design	O
is	O
captured	O
by	O
its	O
tag	O
line	O
,	O
"	O
Builds	O
are	O
programs	O
.	O
</s>
<s>
Build	O
tasks	O
supported	O
natively	O
by	O
Boot	B-Application
include	O
compiling	O
Java	B-Language
,	O
creating	O
.jar	O
files	O
,	O
and	O
creating	O
servlets	B-Application
.	O
</s>
<s>
As	O
a	O
Clojure	B-Language
program	O
,	O
Boot	B-Application
can	O
be	O
extended	O
on	O
a	O
per-project	O
basis	O
using	O
the	O
Clojure	B-Language
language	O
.	O
</s>
<s>
Boot	B-Application
's	O
primary	O
means	O
of	O
extension	O
are	O
tasks	O
,	O
or	O
functions	O
that	O
take	O
and	O
return	O
Filesets	O
.	O
</s>
<s>
A	O
Fileset	O
is	O
a	O
managed	O
,	O
immutable	O
representation	O
of	O
the	O
filesystem	O
and	O
classpath	B-Language
that	O
can	O
be	O
synchronized	O
to	O
disk	O
at	O
any	O
point	O
during	O
the	O
build	O
.	O
</s>
<s>
Like	O
Leiningen	B-Application
,	O
Boot	B-Application
supports	O
resolving	O
and	O
publishing	O
Maven	B-Language
dependencies	O
using	O
the	O
Aether	O
library	O
.	O
</s>
<s>
Boot	B-Application
also	O
supports	O
:	O
</s>
<s>
Boot	B-Application
is	O
featured	O
in	O
Appendix	O
B	O
of	O
the	O
book	O
"	O
Clojure	B-Language
for	O
the	O
Brave	O
and	O
True	O
"	O
.	O
</s>
