infra/cli/repo.go
Viktor Barzin 36d562c15c
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homelab: add tf verbs + stack/git-crypt substrate
Adds the tf verb-group and the resolver substrate beneath it, continuing the
v0.1 infra-loop build.

- substrate: findInfraRoot (walk up to terragrunt.hcl + stacks/), stack→dir
  resolver, and repo/remote/git-crypt detection (preferRemote forgejo>origin,
  hasGitCryptAttr, gitCryptFlags) — the last is for `work` next.
- tf plan/validate/fmt/force-unlock/apply, resolving the stack from cwd and
  delegating to scripts/tg (which owns state decrypt/encrypt, the Vault lock,
  and the ingress auth-comment check) rather than calling terragrunt directly.
- tf apply is presence-coupled: claims stack:<name>, ALWAYS releases on exit
  (normal, error, or SIGINT/SIGTERM via sync.Once + signal handler) — fixing
  the documented ~200-claim leak — and prints an out-of-band reminder since CI
  applies canonically on push.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-18 19:16:33 +00:00

63 lines
1.6 KiB
Go

package main
import (
"os/exec"
"strings"
)
// preferRemote picks the canonical remote: forgejo if present, else origin,
// else the first listed. (For infra, origin and forgejo both point at Forgejo.)
func preferRemote(remotes []string) string {
has := map[string]bool{}
for _, r := range remotes {
has[r] = true
}
switch {
case has["forgejo"]:
return "forgejo"
case has["origin"]:
return "origin"
case len(remotes) > 0:
return remotes[0]
default:
return ""
}
}
// hasGitCryptAttr reports whether .gitattributes content enables git-crypt.
func hasGitCryptAttr(gitattributes string) bool {
return strings.Contains(gitattributes, "filter=git-crypt")
}
// gitCryptFlags are the per-command flags that disable smudge/clean so git
// operations in a git-crypt repo don't try to decrypt (NEVER persisted to config).
func gitCryptFlags() []string {
return []string{
"-c", "filter.git-crypt.smudge=cat",
"-c", "filter.git-crypt.clean=cat",
"-c", "filter.git-crypt.required=false",
}
}
// gitOutput runs `git -C dir <args>` and returns trimmed stdout.
func gitOutput(dir string, args ...string) (string, error) {
cmd := exec.Command("git", append([]string{"-C", dir}, args...)...)
out, err := cmd.Output()
return strings.TrimSpace(string(out)), err
}
func gitRepoRoot(dir string) (string, error) {
return gitOutput(dir, "rev-parse", "--show-toplevel")
}
// gitRemotes lists configured remote names for the repo at dir.
func gitRemotes(dir string) ([]string, error) {
out, err := gitOutput(dir, "remote")
if err != nil {
return nil, err
}
if out == "" {
return nil, nil
}
return strings.Split(out, "\n"), nil
}