Annotation of wikisrc/guide/fetch.mdwn, revision 1.1
1.1 ! jdf 1: # Obtaining the sources
! 2:
! 3: To read the NetBSD sources from your local disk or to build the system or parts
! 4: of it, you need to download the NetBSD sources. This chapter explains how to get
! 5: the NetBSD source using a number of different ways, although the preferred one
! 6: is to get the tarballs and then update via
! 7: [cvs(1)](http://netbsd.gw.com/cgi-bin/man-cgi?cvs+1+NetBSD-5.0.1+i386).
! 8:
! 9: ## Preparing directories
! 10:
! 11: Kernel and userland sources are usually placed in `/usr/src`. This directory is
! 12: not present by default in the NetBSD installation and you will need to create it
! 13: first. As it is in a system directory, you will need root access to create the
! 14: directory and make sure your normal user account can write to it. For
! 15: demonstration purposes, it is assumed that the non-root login is `carlo`.
! 16: Please replace it with a valid login name on your system:
! 17:
! 18: $ su
! 19: Password: *****
! 20: # mkdir /usr/src
! 21: # chown <carlo> /usr/src
! 22:
! 23: Also, if you want X11R6 sources, you can prepare `/usr/xsrc`:
! 24:
! 25: # mkdir /usr/xsrc
! 26: # chown <carlo> /usr/xsrc
! 27:
! 28: *Note*: Please note that for the subsequent steps, root access is neither needed
! 29: nor recommended, so this preparation step should be done first. All CVS
! 30: operations can (and should) be done as normal user and you don't need root
! 31: privileges any more:
! 32:
! 33: # exit
! 34: $
! 35:
! 36: ## Terminology
! 37:
! 38: **Before starting to fetch or download the required files, you may want to know
! 39: the definitions of *Formal releases*, *Maintenance branches* and other related
! 40: terms**. That information is available under the [NetBSD release glossary and
! 41: graphs](http://www.NetBSD.org/releases/release-map.html).
! 42:
! 43: ## Downloading tarballs
! 44:
! 45: It is sometimes faster to download a tarball and then continue updating with
! 46: [cvs(1)](http://netbsd.gw.com/cgi-bin/man-cgi?cvs+1+NetBSD-5.0.1+i386). You can
! 47: download tarballs (see
! 48: [tar(1)](http://netbsd.gw.com/cgi-bin/man-cgi?tar+1+NetBSD-5.0.1+i386)) from
! 49: ftp.NetBSD.org (or any other mirror) for a number of releases or branches.
! 50:
! 51: The only drawback is that the tarballs are updated less often. Normally, every
! 52: three days.
! 53:
! 54: Also, please note that these tarballs include the `CVS` directories, so you can
! 55: download them and then update your source tree using
! 56: [cvs(1)](http://netbsd.gw.com/cgi-bin/man-cgi?cvs+1+NetBSD-5.0.1+i386), as
! 57: explained in the CVS section.
! 58:
! 59: ### Downloading sources for a NetBSD release
! 60:
! 61: The tarball files for the sources of a specific release are available under
! 62: `/pub/NetBSD/NetBSD-<RELEASE-NUMBER>/source/sets/`
! 63: on ftp.NetBSD.org (or a mirror), where `<RELEASE-NUMBER>` is the release you
! 64: want to fetch (for example, `4.0`).
! 65:
! 66: To fetch the sources of a NetBSD release using tarballs, simply do:
! 67:
! 68: $ ftp -i ftp://ftp.NetBSD.org/pub/NetBSD/NetBSD-4.0/source/sets/
! 69: Trying 2001:4f8:4:7:2e0:81ff:fe21:6563...
! 70: Connected to ftp.NetBSD.org.
! 71: 220 ftp.NetBSD.org FTP server (NetBSD-ftpd 20070809) ready.
! 72: 331 Guest login ok, type your name as password.
! 73: [...]
! 74: 250 CWD command successful.
! 75: 250 CWD command successful.
! 76: 250 CWD command successful.
! 77: ftp> mget *.tgz
! 78: local: gnusrc.tgz remote: gnusrc.tgz
! 79: 229 Entering Extended Passive Mode (|||58302|)
! 80: 150 Opening BINARY mode data connection for 'gnusrc.tgz' (79233899 bytes).
! 81: [...]
! 82: ftp> quit
! 83: 221-
! 84: Data traffic for this session was 232797304 bytes in 5 files.
! 85: Total traffic for this session was 232803039 bytes in 6 transfers.
! 86: 221 Thank you for using the FTP service on ftp.NetBSD.org.
! 87:
! 88: You should now have 5 files:
! 89:
! 90: $ ls *.tgz
! 91: gnusrc.tgz sharesrc.tgz src.tgz syssrc.tgz xsrc.tgz
! 92:
! 93: You now must extract them all:
! 94:
! 95: $ foreach file (*.tgz)
! 96: ? tar -xzf $file -C /usr/src
! 97: ? end
! 98:
! 99: ### Downloading sources for a NetBSD stable branch
! 100:
! 101: $ ftp -i ftp://ftp.NetBSD.org/pub/NetBSD/NetBSD-release-4-0/tar_files/src/
! 102: Trying 2001:4f8:4:7:2e0:81ff:fe21:6563...
! 103: Connected to ftp.NetBSD.org.
! 104: 220 ftp.NetBSD.org FTP server (NetBSD-ftpd 20070809) ready.
! 105: 331 Guest login ok, type your name as password.
! 106: [...]
! 107: 250 CWD command successful.
! 108: 250 CWD command successful.
! 109: 250 CWD command successful.
! 110: 250 CWD command successful.
! 111: ftp> mget *.tar.gz
! 112: local: bin.tar.gz remote: bin.tar.gz
! 113: 229 Entering Extended Passive Mode (|||56011|)
! 114: 150 Opening BINARY mode data connection for 'bin.tar.gz' (914202 bytes).
! 115: [...]
! 116: ftp> quit
! 117: 221-
! 118: Data traffic for this session was 149221420 bytes in 22 files.
! 119: Total traffic for this session was 149231539 bytes in 23 transfers.
! 120: 221 Thank you for using the FTP service on ftp.NetBSD.org.
! 121:
! 122: You should now have 22 files:
! 123:
! 124: $ ls *.tar.gz
! 125: bin.tar.gz doc.tar.gz libexec.tar.gz tools.tar.gz
! 126: config.tar.gz etc.tar.gz regress.tar.gz top-level.tar.gz
! 127: contrib.tar.gz games.tar.gz rescue.tar.gz usr.bin.tar.gz
! 128: crypto.tar.gz gnu.tar.gz sbin.tar.gz usr.sbin.tar.gz
! 129: dist.tar.gz include.tar.gz share.tar.gz
! 130: distrib.tar.gz lib.tar.gz sys.tar.gz
! 131:
! 132: You now must extract them all:
! 133:
! 134: $ foreach file (*.tar.gz)
! 135: ? tar -xzf $file -C /usr/src
! 136: ? end
! 137:
! 138: ### Downloading sources for a NetBSD-current development branch
! 139:
! 140: To download the NetBSD-current tarballs, located under
! 141: `/pub/NetBSD/NetBSD-current/tar_files/src`, just follow the same steps as in the
! 142: previous section, but now on a different directory.
! 143:
! 144: You may also want to fetch the X11 source, available under:
! 145: `/pub/NetBSD/NetBSD-current/tar_files/xsrc`.
! 146:
! 147: ## Fetching by CVS
! 148:
! 149: CVS (Concurrent Versions System) can be used to fetch the NetBSD source tree or
! 150: to keep the NetBSD source tree up to date with respect to changes made to the
! 151: NetBSD sources. There are three trees maintained for which you can use
! 152: [cvs(1)](http://netbsd.gw.com/cgi-bin/man-cgi?cvs+1+NetBSD-5.0.1+i386) to obtain
! 153: them or keep them up to date:
! 154:
! 155: The list of currently maintained branches is available under
! 156: [`src/doc/BRANCHES`](http://cvsweb.NetBSD.org/bsdweb.cgi/src/doc/BRANCHES?rev=HEAD&content-type=text/x-cvsweb-markup)
! 157: (see the *Status* entry on *Release branches* section).
! 158:
! 159: Before you can do an initial (full) checkout of the NetBSD sources via
! 160: *anonymous CVS*, you first have to set some environment variables. For the
! 161: C-Shell, type:
! 162:
! 163: $ setenv CVS_RSH ssh
! 164: $ setenv CVSROOT anoncvs@anoncvs.NetBSD.org:/cvsroot
! 165:
! 166: Or, the same for the bourne shell:
! 167:
! 168: $ export CVS_RSH="ssh"
! 169: $ export CVSROOT="anoncvs@anoncvs.NetBSD.org:/cvsroot"
! 170:
! 171: We will also use the `-P` option in the examples below since it is used to prune
! 172: empty directories.
! 173:
! 174: ### Fetching a NetBSD release
! 175:
! 176: A release is a set of particular versions of source files, and once released
! 177: does not change over time.
! 178:
! 179: To get the NetBSD (kernel and userland) sources from a specific release, run the
! 180: following command after the preparations done above:
! 181:
! 182: $ cd /usr
! 183: $ cvs checkout -r <BRANCH> -P src
! 184:
! 185: Where `<BRANCH>` is the release branch to be checked out, for example,
! 186: `netbsd-3-1-RELEASE` or `netbsd-4-0-RELEASE`. If you want to fetch a different
! 187: patchlevel, you would use `netbsd-3-0-1-RELEASE` or `netbsd-3-0-2-RELEASE`.
! 188:
! 189: For example, in order to fetch `netbsd-4-0-RELEASE` you would use:
! 190:
! 191: $ cvs checkout -r netbsd-4-0-RELEASE -P src
! 192:
! 193: To fetch the X11R6 source, just `checkout` the `xsrc` module. For example:
! 194:
! 195: $ cvs checkout -r netbsd-4-0-RELEASE -P xsrc
! 196:
! 197: ### Fetching a NetBSD stable branch
! 198:
! 199: NetBSD stable branches are also called *Maintenance branches*. Please consult
! 200: the [[Terminology|guide/fetch#term]].
! 201:
! 202: If you want to follow a stable branch, just pass the branch name to the
! 203: [cvs(1)](http://netbsd.gw.com/cgi-bin/man-cgi?cvs+1+NetBSD-5.0.1+i386) `-r`
! 204: option.
! 205:
! 206: For example, if you want to fetch the most recent version of `netbsd-4`, you
! 207: just need to use that tag:
! 208:
! 209: $ cd /usr
! 210: $ cvs checkout -r netbsd-4 -P src
! 211:
! 212: And for the `xsrc` module:
! 213:
! 214: $ cvs checkout -r netbsd-4 -P xsrc
! 215:
! 216: If you have checked out sources from a stable branch in `/usr/src` and want to
! 217: update them to get the latest security-fixes and bug-fixes, run:
! 218:
! 219: $ cd /usr/src
! 220: $ cvs update -Pd
! 221:
! 222: The same applies to the `xsrc` module, but in that case you will have to change
! 223: your working directory to `/usr/xsrc` first.
! 224:
! 225: *Caution!* Be sure to take care in selecting the correct and desired branch tag
! 226: so you don't accidentally *downgrade* your source tree.
! 227:
! 228: ### Fetching the NetBSD-current development branch
! 229:
! 230: To obtain the NetBSD-current source just omit `-r` *`<BRANCH>`* and replace it
! 231: by `-A`:
! 232:
! 233: $ cd /usr
! 234: $ cvs checkout -A -P src
! 235:
! 236: The `xsrc` is also available:
! 237:
! 238: $ cd /usr
! 239: $ cvs checkout -A -P xsrc
! 240:
! 241: To update your NetBSD-current source tree, add the `-A` flag:
! 242:
! 243: $ cd /usr/src
! 244: $ cvs update -A -Pd
! 245:
! 246: ### Saving some cvs options
! 247:
! 248: If you find yourself typing some options to cvs over and over again, you can as
! 249: well put them into a file `.cvsrc` in your home directory. It is useful for just
! 250: typing `cvs update` on a directory with a branch checked out to update it
! 251: (adding `-A` would revert the branch to the -current branch, which is not what
! 252: one usually wants!), For unified diffs, transfers should be compressed and `cvs
! 253: update` should be mostly quiet:
! 254:
! 255: **Example `.cvsrc`**:
! 256:
! 257: #update -dPA
! 258: update -dP
! 259: rdiff -u
! 260: diff -u
! 261: cvs -q
! 262:
! 263: ## Sources on CD (ISO)
! 264:
! 265: If you prefer to download (and maybe burn) a CD-ROM image with the NetBSD
! 266: source, just fetch `sourcecd-<RELEASE-NUMBER>.iso` from ftp.NetBSD.org or any
! 267: other mirror.
! 268:
! 269: The `sourcecd-<RELEASE-NUMBER>.iso` file is located under
! 270: `/pub/NetBSD/iso/`<RELEASE>`, where `<RELEASE>` is a release of NetBSD,
! 271: for example, `5.1`:
! 272:
! 273: ftp://ftp.NetBSD.org/pub/NetBSD/iso/5.1/sourcecd-5.1.iso
! 274:
! 275: The next step is to burn the ISO image or mount it with the help of
! 276: [vnconfig(8)](http://netbsd.gw.com/cgi-bin/man-cgi?vnconfig+8+NetBSD-5.0.1+i386).
! 277: Please see [[Using removable media|guide/rmmedia]], as it explains in detail how
! 278: to do it.
! 279:
! 280: Assuming you have mounted the CD under `/mnt`, `/mnt/source/sets` should have
! 281: everything you need to extract:
! 282:
! 283: $ ls /mnt/source/sets
! 284: BSDSUM MD5 gnusrc.tgz src.tgz xsrc.tgz
! 285: CKSUM SYSVSUM sharesrc.tgz syssrc.tgz
! 286:
! 287: All tarballs should be extracted to the root file system (`/`). The following
! 288: command will do it:
! 289:
! 290: $ foreach file (*.tgz)
! 291: ? tar -xzf $file -C /
! 292: ? end
! 293:
! 294: After that, you should have `/usr/src` and `/usr/xsrc` populated with the NetBSD
! 295: sources.
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