Rebuild All The Things!
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LICENSE
README.md
ratt.go
sbuild.go

README.md

Description

ratt (“Rebuild All The Things!”) operates on a Debian .changes file of a just-built package, identifies all reverse-build-dependencies and rebuilds them with the .debs from the .changes file.

The intended use-case is, for example, to package a new snapshot of a Go library and verify that the new version does not break any other Go libraries/binaries.

Installation (from git, for hacking on ratt)

Please install ratt from Debian. In case you want to hack on ratt, you can use the following commands to install Go, download ratt from git and compile/install it into your $GOPATH:

sudo apt-get install golang-go
export GOPATH=~/gocode
go get -u github.com/Debian/ratt

Start the resulting binary in ~/gocode/bin/ratt:

~/gocode/bin/ratt -help

After making changes to the code, to recompile and install it again, use:

go install github.com/Debian/ratt

Usage

Let’s assume you build a new version of a Go library, like so:

debcheckout golang-github-jacobsa-gcloud-dev
cd golang-github-jacobsa-gcloud-dev
dch -i -m 'dummy new version'
git commit -a -m 'dummy new version'
gbp buildpackage --git-pbuilder  

Now you can use ratt to identify and rebuild all reverse-build-dependencies:

$ ratt golang-github-jacobsa-gcloud_0.0\~git20150709-2_amd64.changes         
2015/08/16 11:48:41 Loading changes file "golang-github-jacobsa-gcloud_0.0~git20150709-2_amd64.changes"
2015/08/16 11:48:41  - 1 binary packages: golang-github-jacobsa-gcloud-dev
2015/08/16 11:48:41  - corresponding .debs (will be injected when building):
2015/08/16 11:48:41     golang-github-jacobsa-gcloud-dev_0.0~git20150709-2_all.deb
2015/08/16 11:48:41 Loading sources index "/var/lib/apt/lists/ftp.ch.debian.org_debian_dists_sid_contrib_source_Sources"
2015/08/16 11:48:41 Loading sources index "/var/lib/apt/lists/ftp.ch.debian.org_debian_dists_sid_main_source_Sources"
2015/08/16 11:48:43 Loading sources index "/var/lib/apt/lists/ftp.ch.debian.org_debian_dists_sid_non-free_source_Sources"
2015/08/16 11:48:43 Building golang-github-jacobsa-ratelimit_0.0~git20150723.0.2ca5e0c-1 (commandline: [sbuild --arch-all --dist=sid --nolog golang-github-jacobsa-ratelimit_0.0~git20150723.0.2ca5e0c-1 --extra-package=golang-github-jacobsa-gcloud-dev_0.0~git20150709-2_all.deb])
2015/08/16 11:49:19 Build results:
2015/08/16 11:49:19 PASSED: golang-github-jacobsa-ratelimit_0.0~git20150723.0.2ca5e0c-1

ratt uses sbuild(1) to build packages, see https://wiki.debian.org/sbuild for instructions on how to set up sbuild. Be sure to add --components=main,contrib,non-free to the sbuild-createchroot line in case you want to deal with packages outside of main as well.