{"header":{"message":"boilerplate, platform stuff","description":null,"timestamp":"2008-12-01T20:20:39Z","authors":[{"email":"visser@acm.org","name":"Eelco Visser"}]},"hash":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC","authors":[],"deps":{"hashes":[["QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC","boilerplate, platform stuff"],["AA",null],["6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC","draft manual"]],"deps":["6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC"],"known":[]},"hunks":[{"Edit":{"inode":{"change":2,"pos":38},"path":"doc/manual/manual.html","line":47,"atom":{"NewVertex":{"up_context":[{"change":2,"pos":550}],"down_context":[{"change":2,"pos":550}],"flag":"BLOCK","start":0,"end":695,"inode":{"change":2,"pos":38}}},"contents":[{"Add":{"text":"","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:0"}},{"Add":{"text":"

1.2. About Us

","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:23"}},{"Add":{"text":"","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:24"}},{"Add":{"text":"Hydra is the successor of the Nix Buildfarm, which was developed in","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:92"}},{"Add":{"text":"tandem with the Nix software deployment system. Nix was originally","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:159"}},{"Add":{"text":"developed at the Department of Information and Computing Sciences,","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:226"}},{"Add":{"text":"Utrecht University by the TraCE project (2003-2008). The project was","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:295"}},{"Add":{"text":"funded by the Software Engineering Research Program Jacquard to","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:359"}},{"Add":{"text":"improve the support for variability in software systems. Funding for","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:429"}},{"Add":{"text":"the development of Nix and Hydra is now provided by the NIRICT LaQuSo","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:499"}},{"Add":{"text":"Build Farm project.","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:519"}},{"Add":{"text":"","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:520"}},{"Add":{"text":"

1.3. About this Manual

","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:552"}},{"Add":{"text":"","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:553"}},{"Add":{"text":"This manual tells you how to install the Hydra buildfarm software on","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:622"}},{"Add":{"text":"your own server and how to operate that server using its web","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:683"}},{"Add":{"text":"interface.","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:694"}}]}},{"Replacement":{"inode":{"change":2,"pos":38},"path":"doc/manual/manual.html","line":65,"ins":{"up_context":[{"change":2,"pos":551}],"down_context":[{"change":2,"pos":584}],"flag":"BLOCK","start":696,"end":1228,"inode":{"change":2,"pos":38}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":551},"to":{"change":2,"start":551,"end":584},"introduced_by":2}],"inode":{"change":2,"pos":38}},"ins_contents":[{"Add":{"text":"

1.4. License

","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:717"}},{"Add":{"text":"","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:718"}},{"Add":{"text":"Hydra is free software; you can redistribute it and/or modify it under","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:789"}},{"Add":{"text":"the terms of the GNU Lesser General Public License as published by the","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:860"}},{"Add":{"text":"Free Software Foundation; either version 2.1 of the License, or (at","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:928"}},{"Add":{"text":"your option) any later version. Hydra is distributed in the hope that","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:998"}},{"Add":{"text":"it will be useful, but WITHOUT ANY WARRANTY; without even the implied","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1068"}},{"Add":{"text":"warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1137"}},{"Add":{"text":"the GNU Lesser General Public License for more details.","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1193"}},{"Add":{"text":"","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1194"}},{"Add":{"text":"

1.5. Hydra at nixos.org

","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1227"}}],"del_contents":[{"Del":{"text":"

1.2. Hydra at nixos.org

","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:583"}}]}},{"Replacement":{"inode":{"change":2,"pos":38},"path":"doc/manual/manual.html","line":104,"ins":{"up_context":[{"change":2,"pos":1656}],"down_context":[{"change":2,"pos":1698}],"flag":"BLOCK","start":1229,"end":1271,"inode":{"change":2,"pos":38}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1656},"to":{"change":2,"start":1656,"end":1698},"introduced_by":2}],"inode":{"change":2,"pos":38}},"ins_contents":[{"Add":{"text":"

1.6. Hydra on your own buildfarm

","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1270"}}],"del_contents":[{"Del":{"text":"

1.3. Hydra on your own buildfarm

","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:1697"}}]}},{"Edit":{"inode":{"change":2,"pos":38},"path":"doc/manual/manual.html","line":113,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1952},"to":{"change":2,"start":1952,"end":1977},"introduced_by":2}],"inode":{"change":2,"pos":38}}},"contents":[{"Del":{"text":"We assume that you have ","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:1976"}}]}},{"Replacement":{"inode":{"change":2,"pos":38},"path":"doc/manual/manual.html","line":116,"ins":{"up_context":[{"change":2,"pos":2015}],"down_context":[{"change":2,"pos":2213}],"flag":"BLOCK","start":1272,"end":2124,"inode":{"change":2,"pos":38}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":2015},"to":{"change":2,"start":2015,"end":2213},"introduced_by":2}],"inode":{"change":2,"pos":38}},"ins_contents":[{"Add":{"text":"To run Hydra you need a Linux server. For small projects, Hydra can","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1340"}},{"Add":{"text":"be run on any reasonably modern machine. For individual projects you","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1409"}},{"Add":{"text":"can even run Hydra on a laptop. However, the charm of a buildfarm","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1475"}},{"Add":{"text":"server is usually that it operates without disturbing the developer's","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1545"}},{"Add":{"text":"working environment and can serve releases over the internet. In","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1610"}},{"Add":{"text":"conjunction you should typically have your source code administered in","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1681"}},{"Add":{"text":"a version management system, such as subversion. Therefore, you will","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1750"}},{"Add":{"text":"probably want to install a server that is connected to the","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1809"}},{"Add":{"text":"internet. To scale up to large and/or many projects, you will need at","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1879"}},{"Add":{"text":"least a considerable amount of diskspace to store builds. Since Hydra","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:1949"}},{"Add":{"text":"can schedule multiple simultaneous build jobs, it can be useful to","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:2016"}},{"Add":{"text":"have a multi-core machine, and/or attach multiple build machines in a","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:2086"}},{"Add":{"text":"network to the central Hydra server.","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:2123"}}],"del_contents":[{"Del":{"text":"To run Hydra you need a Linux server with at least a considerable","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:2080"}},{"Del":{"text":"amount of diskspace to store builds. A multi-core machine is not a","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:2147"}},{"Del":{"text":"waste since Hydra can schedule multiple simultaneous build jobs.","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:2212"}}]}},{"Replacement":{"inode":{"change":2,"pos":38},"path":"doc/manual/manual.html","line":274,"ins":{"up_context":[{"change":2,"pos":6515}],"down_context":[{"change":2,"pos":6574}],"flag":"BLOCK","start":2125,"end":2244,"inode":{"change":2,"pos":38}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":6515},"to":{"change":2,"start":6515,"end":6574},"introduced_by":2}],"inode":{"change":2,"pos":38}},"ins_contents":[{"Add":{"text":"A project definition consists of some general information and a set of","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:2195"}},{"Add":{"text":"jobsets. We start with the general information.","pos":"QPXJVRYK76DGVBRQ6YRVFV6US5LROYOW2NQ6757BBWXPAUHFH2QQC:2243"}}],"del_contents":[{"Del":{"text":"A project definition consists of some general information ","pos":"6A6CZ7SC2VGEGRC5LSNTDDM3LFWVYO6Z6QNDF74SBJWO5P6T3ARQC:6573"}}]}}],"owner":"grahamc","repo":"hydra","login":null}

…

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Review