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Diffstat (limited to 'doc/gitian-building.md')
| -rw-r--r-- | doc/gitian-building.md | 60 |
1 files changed, 56 insertions, 4 deletions
diff --git a/doc/gitian-building.md b/doc/gitian-building.md index 3ad7fd29d2..265fbd586d 100644 --- a/doc/gitian-building.md +++ b/doc/gitian-building.md @@ -330,10 +330,11 @@ There will be a lot of warnings printed during the build of the image. These can Getting and building the inputs -------------------------------- -Follow the instructions in [doc/release-process.md](release-process.md#fetch-and-build-inputs-first-time-or-when-dependency-versions-change) -in the bitcoin repository to install sources which require manual intervention. Also follow -the next step: 'Seed the Gitian sources cache', which will fetch all the necessary source -files to allow gitian to work offline. +Follow the instructions in [doc/release-process.md](release-process.md#fetch-and-build-inputs-first-time-or-when-dependency-versions-change) +in the bitcoin repository under 'Fetch and build inputs' to install sources which require +manual intervention. Also optionally follow the next step: 'Seed the Gitian sources cache +and offline git repositories' which will fetch the remaining files required for building +offline. Building Bitcoin ---------------- @@ -391,6 +392,57 @@ COMMIT=2014_03_windows_unicode_path ./bin/gbuild --commit bitcoin=${COMMIT} --url bitcoin=${URL} ../bitcoin/contrib/gitian-descriptors/gitian-osx.yml ``` +Building fully offline +----------------------- + +For building fully offline including attaching signatures to unsigned builds, the detached-sigs repository +and the bitcoin git repository with the desired tag must both be available locally, and then gbuild must be +told where to find them. It also requires an apt-cacher-ng which is fully-populated but set to offline mode, or +manually disabling gitian-builder's use of apt-get to update the VM build environment. + +To configure apt-cacher-ng as an offline cacher, you will need to first populate its cache with the relevant +files. You must additionally patch target-bin/bootstrap-fixup to set its apt sources to something other than +plain archive.ubuntu.com: us.archive.ubuntu.com works. + +So, if you use LXC: + +```bash +export PATH="$PATH":/path/to/gitian-builder/libexec +export USE_LXC=1 +cd /path/to/gitian-builder +./libexec/make-clean-vm --suite precise --arch amd64 + +LXC_ARCH=amd64 LXC_SUITE=precise on-target -u root apt-get update +LXC_ARCH=amd64 LXC_SUITE=precise on-target -u root \ + -e DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends -y install \ + $( sed -ne '/^packages:/,/[^-] .*/ {/^- .*/{s/"//g;s/- //;p}}' ../bitcoin/contrib/gitian-descriptors/*|sort|uniq ) +LXC_ARCH=amd64 LXC_SUITE=precise on-target -u root apt-get -q -y purge grub +LXC_ARCH=amd64 LXC_SUITE=precise on-target -u root -e DEBIAN_FRONTEND=noninteractive apt-get -y dist-upgrade +``` + +And then set offline mode for apt-cacher-ng: + +``` +/etc/apt-cacher-ng/acng.conf +[...] +Offlinemode: 1 +[...] + +service apt-cacher-ng restart +``` + +Then when building, override the remote URLs that gbuild would otherwise pull from the gitian descriptors:: +```bash + +cd /some/root/path/ +git clone https://github.com/bitcoin/bitcoin-detached-sigs.git + +BTCPATH=/some/root/path/bitcoin.git +SIGPATH=/some/root/path/bitcoin-detached-sigs.git + +./bin/gbuild --url bitcoin=${BTCPATH},signature=${SIGPATH} ../bitcoin/contrib/gitian-descriptors/gitian-win-signer.yml +``` + Signing externally ------------------- |