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feat: use go sdk

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Louis Seubert 2024-11-01 23:41:40 +01:00
parent a849295b46
commit 230d529de7
Signed by: louis9902
GPG key ID: 4B9DB28F826553BD
7 changed files with 500 additions and 41 deletions
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21
Dockerfile Normal file
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FROM docker.io/golang:1.23-alpine3.20 AS compile
ENV CGO_ENABLED=0
WORKDIR /app
COPY go.mod go.sum /app/
RUN go mod download
COPY *.go /app/
RUN go build -o app .
FROM docker.io/alpine:3.20
WORKDIR /
RUN apk add git
COPY --from=compile /app/app /
ENTRYPOINT ["/app"]

287
LICENSE Normal file
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19
README.md
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@ -1,20 +1 @@
# checkout
This action checks-out your repository under $GITHUB_WORKSPACE, so your workflow can access it.
Only a single commit is fetched by default, for the ref/sha that triggered the workflow. The auth token
is persisted in the local git config. This enables your scripts to run authenticated git commands.
This action is only written in shell (bash).
## Usage
```yaml
uses: actions/checkout:1.0.0
with:
repository: ${{ github.server_url }}/${{ github.repository }}.git
token: ${{ github.token }}
path: .
ref: ${{ github.ref || github.sha }}
```

28
action.yml
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# SPDX-License-Identifier: EUPL-1.2
name: "Checkout"
description: "Checkout a Git repository at a particular version"
author: "Louis Seubert"
inputs:
repository:
description: >
Repository name with owner. For example, actions/checkout
default: ${{ github.server_url }}/${{ github.repository }}.git
token:
description: >
Personal access token (PAT) used to fetch the repository. The PAT is configured
with the local git config, which enables your scripts to run authenticated git
commands.
default: ${{ github.token }}
The path to the repository to checkout. Must be accessible with the
pipeline token on publiclly
default: "${{ github.server_url }}/${{ github.repository }}.git"
path:
description: >
Relative path under $GITHUB_WORKSPACE to place the repository
default: .
default: "."
ref:
description: >
The branch, tag or SHA to checkout. When checking out the repository that
@ -23,15 +19,5 @@ inputs:
event. Otherwise, uses the default branch.
default: ${{ github.ref || github.sha }}
runs:
using: composite
steps:
- name: Checkout
shell: bash
run: |
export PATH=${{ github.action_path }}/scripts:$PATH
checkout.sh
env:
ACTION_INPUT_TOKEN: ${{ inputs.token }}
ACTION_INPUT_REPOSITORY: ${{ inputs.repository }}
ACTION_INPUT_PATH: ${{ inputs.path }}
ACTION_INPUT_REF: ${{ inputs.ref }}
using: 'docker'
image: 'Dockerfile'

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module git.geekeey.de/actions/checkout
go 1.23.2
require git.geekeey.de/actions/sdk v1.0.1

6
go.sum Normal file
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git.geekeey.de/actions/sdk v0.0.0-20241020125724-76a93c0d8cec h1:auq6X3d0N25UPSyjuvRDh55W4sgAsSaeDGdWOS6AG6g=
git.geekeey.de/actions/sdk v0.0.0-20241020125724-76a93c0d8cec/go.mod h1:pBcHd6afsvseZF9hSc2A0b6+MldC/Ch6CSDaVlWMAmA=
git.geekeey.de/actions/sdk v1.0.0 h1:vVEPz6ndFJt4iqtJhhFuf7XA3bf2gasZJ3f8gb94o5g=
git.geekeey.de/actions/sdk v1.0.0/go.mod h1:pBcHd6afsvseZF9hSc2A0b6+MldC/Ch6CSDaVlWMAmA=
git.geekeey.de/actions/sdk v1.0.1 h1:fecr+IILPgKFoMaQDtSvkBbaFfudOlf+2KdMVKcFA1M=
git.geekeey.de/actions/sdk v1.0.1/go.mod h1:pBcHd6afsvseZF9hSc2A0b6+MldC/Ch6CSDaVlWMAmA=

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package main
import (
"context"
"encoding/base64"
"fmt"
"net/url"
"os"
"os/exec"
"os/signal"
"strings"
"git.geekeey.de/actions/sdk"
)
func main() {
action := &CheckoutAction{Action: sdk.New()}
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
defer cancel()
if err := action.run(ctx); err != nil {
action.Errorf("%s", err)
os.Exit(1)
}
}
type CheckoutAction struct {
*sdk.Action
repository string
path string
reference string
}
func (action *CheckoutAction) setup() error {
var err error
action.repository = action.GetInput("repository")
action.path = action.GetInput("path")
action.reference = action.GetInput("ref")
return err
}
func (action *CheckoutAction) run(ctx context.Context) error {
if err := action.setup(); err != nil {
return err
}
env := action.Context()
var sh *Shell
sh = &Shell{}
sh.Add("git", "config", "--global", "--add", "protocol.version", "2")
sh.Add("git", "init", "-q", action.path)
sh.Add("git", "-C", action.path, "config", "--local", "gc.auto", "0")
if err := sh.Run(ctx); err != nil {
return err
}
action.Noticef("Configuring git repository credentials")
server, err := url.Parse(env.ServerURL)
if err != nil {
return err
}
sh = &Shell{}
sh.Add("git", "-C", action.path, "config", "--local", "--add", fmt.Sprintf("url.%s.insteadof", env.ServerURL), fmt.Sprintf("git@%s", server.Host))
sh.Add("git", "-C", action.path, "config", "--local", "--add", fmt.Sprintf("url.%s.insteadof", env.ServerURL), fmt.Sprintf("ssh://git@%s", server.Host))
sh.Add("git", "-C", action.path, "config", "--local", "--add", fmt.Sprintf("url.%s.insteadof", env.ServerURL), fmt.Sprintf("git://%s", server.Host))
if err := sh.Run(ctx); err != nil {
return err
}
enc := base64.StdEncoding
header := fmt.Sprintf("Authorization: Basic %s", enc.EncodeToString([]byte(fmt.Sprintf("x-access-token:%s", env.Token))))
sh = &Shell{}
sh.Add("git", "-C", action.path, "config", "--local", "--add", fmt.Sprintf("http.%s.extraheader", env.ServerURL), header)
if err := sh.Run(ctx); err != nil {
return err
}
origin := "origin"
sh = &Shell{}
sh.Add("git", "-C", action.path, "remote", "add", origin, action.repository)
if err := sh.Run(ctx); err != nil {
return err
}
stdout, _, err := execx(ctx, "git", "-C", action.path, "ls-remote", origin, action.reference)
if err != nil {
return err
}
lines := strings.Split(stdout, "\t")
if len(lines) < 2 {
return fmt.Errorf("git ls-remore resolved nothing")
}
sha := strings.TrimSpace(lines[0])
ref := strings.TrimSpace(lines[1])
sh = &Shell{}
if strings.HasPrefix(ref, "refs/heads/") {
name := strings.TrimPrefix(ref, "refs/heads/")
remote := fmt.Sprintf("refs/remotes/%s/%s", origin, name)
branch := name
action.Debugf("Checking out branch %s@%s", name, sha)
sh.Add("git", "-C", action.path, "fetch", "--no-tags", "--prune", "--no-recurse-submodules", "--depth=1",
origin, fmt.Sprintf("+%s:%s", sha, remote))
sh.Add("git", "-C", action.path, "checkout", "--force", "-B", branch, remote)
} else if strings.HasPrefix(ref, "refs/pull/") {
name := strings.TrimPrefix(ref, "refs/pull/")
remote := fmt.Sprintf("refs/remotes/pull/%s", name)
action.Debugf("Checking out pull-request %s@%s", name, sha)
var branch string
if len(env.BaseRef) != 0 {
branch = env.BaseRef
} else if len(env.HeadRef) != 0 {
branch = env.HeadRef
} else {
return fmt.Errorf("pull request can not find base ref for branch")
}
sh.Add("git", "-C", action.path, "fetch", "--no-tags", "--prune", "--no-recurse-submodules", "--depth=1",
origin, fmt.Sprintf("+%s:%s", sha, remote))
sh.Add("git", "-C", action.path, "checkout", "--force", "-B", branch, remote)
} else if strings.HasPrefix(ref, "refs/tags/") {
name := strings.TrimPrefix(ref, "refs/tags/")
remote := fmt.Sprintf("refs/tags/%s", name)
action.Debugf("Checking out ptag %s@%s", name, sha)
sh.Add("git", "-C", action.path, "fetch", "--no-tags", "--prune", "--no-recurse-submodules", "--depth=1",
origin, fmt.Sprintf("+%s:%s", sha, remote))
sh.Add("git", "-C", action.path, "checkout", "--force", remote)
} else {
action.Debugf("Checking out detached head %s", ref)
sh.Add("git", "-C", action.path, "fetch", "--no-tags", "--prune", "--no-recurse-submodules", "--depth=1",
origin, ref)
sh.Add("git", "-C", action.path, "checkout", "--force", ref)
}
if err := sh.Run(ctx); err != nil {
return err
}
return nil
}
type Shell [][]string
func (sh *Shell) Add(line ...string) { *sh = append([][]string(*sh), line) }
func (sh *Shell) Run(ctx context.Context) error {
for _, line := range [][]string(*sh) {
if _, _, err := execx(ctx, line...); err != nil {
return err
}
}
return nil
}
func execx(ctx context.Context, args ...string) (string, string, error) {
cmd := exec.CommandContext(ctx, args[0], args[1:]...)
var outbuf, errbuf strings.Builder
cmd.Stdout = &outbuf
cmd.Stderr = &errbuf
err := cmd.Run()
return outbuf.String(), errbuf.String(), err
}