$ sudo port install mercurial
--->  Computing dependencies for mercurial
--->  Dependencies to be installed: curl-ca-bundle perl5 perl5.12 gdbm gettext expat libiconv gperf ncurses ncursesw python27 bzip2 db46 libedit openssl zlib python_select sqlite3
--->  Fetching archive for expat
--->  Attempting to fetch expat-2.0.1_1.darwin_11.x86_64.tbz2 from http://packages.macports.org/expat
--->  Fetching expat
--->  Attempting to fetch expat-2.0.1.tar.gz from http://cdnetworks-us-2.dl.sourceforge.net/project/expat/expat/2.0.1
--->  Verifying checksum(s) for expat
--->  Extracting expat
--->  Configuring expat
--->  Building expat
--->  Staging expat into destroot
--->  Installing expat @2.0.1_1
--->  Activating expat @2.0.1_1
--->  Cleaning expat
--->  Fetching archive for gperf
--->  Attempting to fetch gperf-3.0.4_2.darwin_11.x86_64.tbz2 from http://packages.macports.org/gperf
--->  Fetching gperf
--->  Attempting to fetch gperf-3.0.4.tar.gz from http://distfiles.macports.org/gperf
--->  Verifying checksum(s) for gperf
--->  Extracting gperf
--->  Applying patches to gperf
--->  Configuring gperf
--->  Building gperf
--->  Staging gperf into destroot
--->  Installing gperf @3.0.4_2
--->  Activating gperf @3.0.4_2
--->  Cleaning gperf
--->  Fetching archive for libiconv
--->  Attempting to fetch libiconv-1.14_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/libiconv
--->  Fetching libiconv
--->  Attempting to fetch libiconv-1.14.tar.gz from http://distfiles.macports.org/libiconv
--->  Verifying checksum(s) for libiconv
--->  Extracting libiconv
--->  Applying patches to libiconv
--->  Configuring libiconv
--->  Building libiconv
--->  Staging libiconv into destroot
--->  Installing libiconv @1.14_0
--->  Activating libiconv @1.14_0
--->  Cleaning libiconv
--->  Fetching archive for ncursesw
--->  Attempting to fetch ncursesw-5.8_0.darwin_11.noarch.tbz2 from http://packages.macports.org/ncursesw
--->  Fetching ncursesw
--->  Verifying checksum(s) for ncursesw
--->  Extracting ncursesw
--->  Configuring ncursesw
--->  Building ncursesw
--->  Staging ncursesw into destroot
--->  Installing ncursesw @5.8_0
--->  Activating ncursesw @5.8_0
--->  Cleaning ncursesw
--->  Fetching archive for ncurses
--->  Attempting to fetch ncurses-5.9_1.darwin_11.x86_64.tbz2 from http://packages.macports.org/ncurses
--->  Fetching ncurses
--->  Attempting to fetch ncurses-5.9.tar.gz from http://distfiles.macports.org/ncurses
--->  Verifying checksum(s) for ncurses
--->  Extracting ncurses
--->  Applying patches to ncurses
--->  Configuring ncurses
--->  Building ncurses
--->  Staging ncurses into destroot
--->  Installing ncurses @5.9_1
--->  Activating ncurses @5.9_1
--->  Cleaning ncurses
--->  Fetching archive for gettext
--->  Attempting to fetch gettext-0.18.1.1_2.darwin_11.x86_64.tbz2 from http://packages.macports.org/gettext
--->  Fetching gettext
--->  Attempting to fetch gettext-0.18.1.1.tar.gz from http://distfiles.macports.org/gettext
--->  Verifying checksum(s) for gettext
--->  Extracting gettext
--->  Applying patches to gettext
--->  Configuring gettext
--->  Building gettext
--->  Staging gettext into destroot
--->  Installing gettext @0.18.1.1_2
--->  Activating gettext @0.18.1.1_2
--->  Cleaning gettext
--->  Fetching archive for gdbm
--->  Attempting to fetch gdbm-1.10_1.darwin_11.x86_64.tbz2 from http://packages.macports.org/gdbm
--->  Fetching gdbm
--->  Attempting to fetch gdbm-1.10.tar.gz from http://mirror.facebook.net/gnu/gnu/gdbm
--->  Attempting to fetch gdbm-1.10.tar.gz from http://ykf.ca.distfiles.macports.org/MacPorts/mpdistfiles/gdbm
--->  Verifying checksum(s) for gdbm
--->  Extracting gdbm
--->  Configuring gdbm
--->  Building gdbm
--->  Staging gdbm into destroot
--->  Installing gdbm @1.10_1
--->  Activating gdbm @1.10_1
--->  Cleaning gdbm
--->  Fetching archive for perl5.12
--->  Attempting to fetch perl5.12-5.12.3_3.darwin_11.x86_64.tbz2 from http://packages.macports.org/perl5.12
--->  Fetching perl5.12
--->  Attempting to fetch perl-5.12.3.tar.bz2 from http://distfiles.macports.org/perl5.12
--->  Verifying checksum(s) for perl5.12
--->  Extracting perl5.12
--->  Applying patches to perl5.12
--->  Configuring perl5.12
--->  Building perl5.12
--->  Staging perl5.12 into destroot
--->  Installing perl5.12 @5.12.3_3
--->  Activating perl5.12 @5.12.3_3
--->  Cleaning perl5.12
--->  Fetching archive for perl5
--->  Attempting to fetch perl5-5.12.3_1+perl5_12.darwin_11.noarch.tbz2 from http://packages.macports.org/perl5
--->  Fetching perl5
--->  Verifying checksum(s) for perl5
--->  Extracting perl5
--->  Configuring perl5
--->  Building perl5
--->  Staging perl5 into destroot
--->  Installing perl5 @5.12.3_1+perl5_12
--->  Activating perl5 @5.12.3_1+perl5_12
--->  Cleaning perl5
--->  Fetching archive for curl-ca-bundle
--->  Attempting to fetch curl-ca-bundle-7.23.1_0.darwin_11.noarch.tbz2 from http://packages.macports.org/curl-ca-bundle
--->  Fetching curl-ca-bundle
--->  Attempting to fetch curl-7.23.1.tar.bz2 from http://distfiles.macports.org/curl
--->  Attempting to fetch certdata-1.80.txt from http://distfiles.macports.org/curl/
--->  Verifying checksum(s) for curl-ca-bundle
--->  Extracting curl-ca-bundle
--->  Applying patches to curl-ca-bundle
--->  Configuring curl-ca-bundle
--->  Building curl-ca-bundle
--->  Staging curl-ca-bundle into destroot
--->  Installing curl-ca-bundle @7.23.1_0
--->  Activating curl-ca-bundle @7.23.1_0
--->  Cleaning curl-ca-bundle
--->  Fetching archive for bzip2
--->  Attempting to fetch bzip2-1.0.6_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/bzip2
--->  Fetching bzip2
--->  Attempting to fetch bzip2-1.0.6.tar.gz from http://distfiles.macports.org/bzip2
--->  Verifying checksum(s) for bzip2
--->  Extracting bzip2
--->  Applying patches to bzip2
--->  Configuring bzip2
--->  Building bzip2
--->  Staging bzip2 into destroot
--->  Installing bzip2 @1.0.6_0
--->  Activating bzip2 @1.0.6_0
--->  Cleaning bzip2
--->  Fetching archive for db46
--->  Attempting to fetch db46-4.6.21_6.darwin_11.x86_64.tbz2 from http://packages.macports.org/db46
--->  Fetching db46
--->  Attempting to fetch patch.4.6.21.1 from http://download.oracle.com/berkeley-db/patches/db/4.6.21/
--->  Attempting to fetch patch.4.6.21.2 from http://download.oracle.com/berkeley-db/patches/db/4.6.21/
--->  Attempting to fetch patch.4.6.21.3 from http://download.oracle.com/berkeley-db/patches/db/4.6.21/
--->  Attempting to fetch patch.4.6.21.4 from http://download.oracle.com/berkeley-db/patches/db/4.6.21/
--->  Attempting to fetch db-4.6.21.tar.gz from http://download-west.oracle.com/berkeley-db/
--->  Attempting to fetch db-4.6.21.tar.gz from http://download-east.oracle.com/berkeley-db/
--->  Attempting to fetch db-4.6.21.tar.gz from http://download-uk.oracle.com/berkeley-db/
--->  Attempting to fetch db-4.6.21.tar.gz from http://distfiles.macports.org/db4/4.6.21_6
--->  Verifying checksum(s) for db46
--->  Extracting db46
--->  Applying patches to db46
--->  Configuring db46
--->  Building db46
--->  Staging db46 into destroot
--->  Installing db46 @4.6.21_6
--->  Activating db46 @4.6.21_6
--->  Cleaning db46
--->  Fetching archive for libedit
--->  Attempting to fetch libedit-20110802-3.0_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/libedit
--->  Fetching libedit
--->  Attempting to fetch libedit-20110802-3.0.tar.gz from http://distfiles.macports.org/libedit
--->  Verifying checksum(s) for libedit
--->  Extracting libedit
--->  Applying patches to libedit
--->  Configuring libedit
--->  Building libedit
--->  Staging libedit into destroot
--->  Installing libedit @20110802-3.0_0
--->  Activating libedit @20110802-3.0_0
--->  Cleaning libedit
--->  Fetching archive for zlib
--->  Attempting to fetch zlib-1.2.5_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/zlib
--->  Fetching zlib
--->  Attempting to fetch zlib-1.2.5.tar.bz2 from http://distfiles.macports.org/zlib
--->  Verifying checksum(s) for zlib
--->  Extracting zlib
--->  Applying patches to zlib
--->  Configuring zlib
--->  Building zlib
--->  Staging zlib into destroot
--->  Installing zlib @1.2.5_0
--->  Activating zlib @1.2.5_0
--->  Cleaning zlib
--->  Fetching archive for openssl
--->  Attempting to fetch openssl-1.0.0f_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/openssl
--->  Fetching openssl
--->  Attempting to fetch openssl-1.0.0f.tar.gz from http://distfiles.macports.org/openssl
--->  Verifying checksum(s) for openssl
--->  Extracting openssl
--->  Applying patches to openssl
--->  Configuring openssl
--->  Building openssl
--->  Staging openssl into destroot
--->  Installing openssl @1.0.0f_0
--->  Activating openssl @1.0.0f_0
--->  Cleaning openssl
--->  Fetching archive for python_select
--->  Attempting to fetch python_select-0.3_1.darwin_11.noarch.tbz2 from http://packages.macports.org/python_select
--->  Fetching python_select
--->  Verifying checksum(s) for python_select
--->  Extracting python_select
--->  Configuring python_select
--->  Building python_select
--->  Staging python_select into destroot
--->  Installing python_select @0.3_1
--->  Activating python_select @0.3_1
--->  Cleaning python_select
--->  Fetching archive for sqlite3
--->  Attempting to fetch sqlite3-3.7.9_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/sqlite3
--->  Fetching sqlite3
--->  Attempting to fetch sqlite-autoconf-3070900.tar.gz from http://distfiles.macports.org/sqlite3
--->  Verifying checksum(s) for sqlite3
--->  Extracting sqlite3
--->  Applying patches to sqlite3
--->  Configuring sqlite3
--->  Building sqlite3
--->  Staging sqlite3 into destroot
--->  Installing sqlite3 @3.7.9_0
--->  Activating sqlite3 @3.7.9_0
--->  Cleaning sqlite3
--->  Fetching archive for python27
--->  Attempting to fetch python27-2.7.2_4.darwin_11.x86_64.tbz2 from http://packages.macports.org/python27
--->  Fetching python27
--->  Attempting to fetch Python-2.7.2.tar.bz2 from http://distfiles.macports.org/python27
--->  Verifying checksum(s) for python27
--->  Extracting python27
--->  Applying patches to python27
--->  Configuring python27
--->  Building python27
--->  Staging python27 into destroot
--->  Installing python27 @2.7.2_4
--->  Activating python27 @2.7.2_4

To make python 2.7 the default (i.e. the version you get when you run
'python'), please run:
    	sudo port select --set python python27

--->  Cleaning python27
--->  Fetching archive for mercurial
--->  Attempting to fetch mercurial-2.0.1_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/mercurial
--->  Fetching mercurial
--->  Attempting to fetch mercurial-2.0.1.tar.gz from http://distfiles.macports.org/mercurial
--->  Verifying checksum(s) for mercurial
--->  Extracting mercurial
--->  Configuring mercurial
--->  Building mercurial
--->  Staging mercurial into destroot
--->  Installing mercurial @2.0.1_0
--->  Activating mercurial @2.0.1_0
--->  Cleaning mercurial