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authorFelix Lange <fjl@twurst.com>2016-10-01 04:03:08 +0800
committerFelix Lange <fjl@twurst.com>2016-10-02 19:08:56 +0800
commit4f7627972e4997965be6f3c406904ef613e14c20 (patch)
tree0d4e7f9ce56a2d161aa8408523d15cf95f0086d2 /internal
parentd8715fba1a366944a069397775fc52a30358eff3 (diff)
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build: improve debian packaging
This commit tweaks the debian packaging tool: * All build environment metadata can now be overriden on the command line. This allows testing the CI build behaviour locally. * -unstable packages now actually contain the binaries (oops) * packages use Go 1.7 to build * archiving is skipped for PR builds
Diffstat (limited to 'internal')
-rw-r--r--internal/build/env.go114
-rw-r--r--internal/build/util.go14
2 files changed, 120 insertions, 8 deletions
diff --git a/internal/build/env.go b/internal/build/env.go
new file mode 100644
index 000000000..87b4c57ac
--- /dev/null
+++ b/internal/build/env.go
@@ -0,0 +1,114 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package build
+
+import (
+ "flag"
+ "fmt"
+ "os"
+)
+
+var (
+ // These flags override values in build env.
+ GitCommitFlag = flag.String("git-commit", "", `Overrides git commit hash embedded into executables`)
+ GitBranchFlag = flag.String("git-branch", "", `Overrides git branch being built`)
+ GitTagFlag = flag.String("git-tag", "", `Overrides git tag being built`)
+ BuildnumFlag = flag.String("buildnum", "", `Overrides CI build number`)
+ PullRequestFlag = flag.Bool("pull-request", false, `Overrides pull request status of the build`)
+)
+
+// Environment contains metadata provided by the build environment.
+type Environment struct {
+ Name string // name of the environment
+ Repo string // name of GitHub repo
+ Commit, Branch, Tag string // Git info
+ Buildnum string
+ IsPullRequest bool
+}
+
+func (env Environment) String() string {
+ return fmt.Sprintf("%s env (commit:%s branch:%s tag:%s buildnum:%s pr:%t)",
+ env.Name, env.Commit, env.Branch, env.Tag, env.Buildnum, env.IsPullRequest)
+}
+
+// Env returns metadata about the current CI environment, falling back to LocalEnv
+// if not running on CI.
+func Env() Environment {
+ switch {
+ case os.Getenv("CI") == "true" && os.Getenv("TRAVIS") == "true":
+ return Environment{
+ Name: "travis",
+ Repo: os.Getenv("TRAVIS_REPO_SLUG"),
+ Commit: os.Getenv("TRAVIS_COMMIT"),
+ Branch: os.Getenv("TRAVIS_BRANCH"),
+ Tag: os.Getenv("TRAVIS_TAG"),
+ Buildnum: os.Getenv("TRAVIS_BUILD_NUMBER"),
+ IsPullRequest: os.Getenv("TRAVIS_PULL_REQUEST") != "false",
+ }
+ case os.Getenv("CI") == "True" && os.Getenv("APPVEYOR") == "True":
+ return Environment{
+ Name: "appveyor",
+ Repo: os.Getenv("APPVEYOR_REPO_NAME"),
+ Commit: os.Getenv("APPVEYOR_REPO_COMMIT"),
+ Branch: os.Getenv("APPVEYOR_REPO_BRANCH"),
+ Tag: os.Getenv("APPVEYOR_REPO_TAG"),
+ Buildnum: os.Getenv("APPVEYOR_BUILD_NUMBER"),
+ IsPullRequest: os.Getenv("APPVEYOR_PULL_REQUEST_NUMBER") != "",
+ }
+ default:
+ return LocalEnv()
+ }
+}
+
+// LocalEnv returns build environment metadata gathered from git.
+func LocalEnv() Environment {
+ env := applyEnvFlags(Environment{Name: "local", Repo: "ethereum/go-ethereum"})
+ if _, err := os.Stat(".git"); err != nil {
+ return env
+ }
+ if env.Commit == "" {
+ env.Commit = RunGit("rev-parse", "HEAD")
+ }
+ if env.Branch == "" {
+ env.Branch = RunGit("symbolic-ref", "-q", "--short", "HEAD")
+ }
+ // Note that we don't get the current git tag. It would slow down
+ // builds and isn't used by anything.
+ return env
+}
+
+func applyEnvFlags(env Environment) Environment {
+ if !flag.Parsed() {
+ panic("you need to call flag.Parse before Env or LocalEnv")
+ }
+ if *GitCommitFlag != "" {
+ env.Commit = *GitCommitFlag
+ }
+ if *GitBranchFlag != "" {
+ env.Branch = *GitBranchFlag
+ }
+ if *GitTagFlag != "" {
+ env.Tag = *GitTagFlag
+ }
+ if *BuildnumFlag != "" {
+ env.Buildnum = *BuildnumFlag
+ }
+ if *PullRequestFlag {
+ env.IsPullRequest = true
+ }
+ return env
+}
diff --git a/internal/build/util.go b/internal/build/util.go
index eead824b2..be41efed7 100644
--- a/internal/build/util.go
+++ b/internal/build/util.go
@@ -29,9 +29,7 @@ import (
"text/template"
)
-var (
- DryRunFlag = flag.Bool("n", false, "dry run, don't execute commands")
-)
+var DryRunFlag = flag.Bool("n", false, "dry run, don't execute commands")
// MustRun executes the given command and exits the host process for
// any error.
@@ -69,6 +67,7 @@ func GOPATH() string {
return strings.Join(newpath, string(filepath.ListSeparator))
}
+// VERSION returns the content of the VERSION file.
func VERSION() string {
version, err := ioutil.ReadFile("VERSION")
if err != nil {
@@ -77,10 +76,8 @@ func VERSION() string {
return string(bytes.TrimSpace(version))
}
-func GitCommit() string {
- return RunGit("rev-parse", "HEAD")
-}
-
+// RunGit runs a git subcommand and returns its output.
+// The command must complete successfully.
func RunGit(args ...string) string {
cmd := exec.Command("git", args...)
var stdout, stderr bytes.Buffer
@@ -94,12 +91,13 @@ func RunGit(args ...string) string {
return strings.TrimSpace(stdout.String())
}
-// Render renders the given template file.
+// Render renders the given template file into outputFile.
func Render(templateFile, outputFile string, outputPerm os.FileMode, x interface{}) {
tpl := template.Must(template.ParseFiles(templateFile))
render(tpl, outputFile, outputPerm, x)
}
+// RenderString renders the given template string into outputFile.
func RenderString(templateContent, outputFile string, outputPerm os.FileMode, x interface{}) {
tpl := template.Must(template.New("").Parse(templateContent))
render(tpl, outputFile, outputPerm, x)