| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "strings" |
| 8 | |
| 9 | "reasonix/internal/agent" |
| 10 | "reasonix/internal/control" |
| 11 | "reasonix/internal/i18n" |
| 12 | "reasonix/internal/session" |
| 13 | ) |
| 14 | |
| 15 | // headlessResumeTarget resolves --resume/--continue for the non-interactive |
| 16 | // agent path, before any heavy assembly, so --copy and the session lease are |
| 17 | // settled first. --resume takes precedence over --continue, matching the |
| 18 | // Resume call downstream, and accepts file paths, branch IDs, preview text, |
| 19 | // opaque machine session IDs (#7429) and final-format session identities. |
| 20 | // The int is a process exit code: 0 means the (possibly empty) target is |
| 21 | // usable, anything else is the code the command must exit with. |
| 22 | func headlessResumeTarget(resume string, cont, copySession bool) (cliResumeTarget, int) { |
| 23 | target := cliResumeTarget{} |
| 24 | if strings.TrimSpace(resume) != "" { |
| 25 | resolved, err := resolveSessionQuery(resolveCLISessionDir(), strings.TrimSpace(resume)) |
| 26 | if err != nil { |
| 27 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 28 | return cliResumeTarget{}, 1 |
| 29 | } |
| 30 | target = resolved |
| 31 | } |
| 32 | if target.empty() && cont { |
| 33 | continued, rc := continueResumeTarget() |
| 34 | if rc != 0 { |
| 35 | return cliResumeTarget{}, rc |
| 36 | } |
| 37 | target = continued |
| 38 | } |
| 39 | return target, copySessionExitCode(copySession, target) |
| 40 | } |
| 41 | |
| 42 | // interactiveResumeTarget resolves the same selection for the TUI, where the |
| 43 | // picker sentinel opens the chooser instead of failing. resumeValue must |
| 44 | // already be normalized by normalizedResumeFlag. |
| 45 | func interactiveResumeTarget(resumeValue string, cont, copySession bool) (cliResumeTarget, int) { |
| 46 | var target cliResumeTarget |
| 47 | switch { |
| 48 | case resumeValue == resumePickerSentinel: |
| 49 | picked, rc := pickSessionToResume() |
| 50 | if rc != 0 { |
| 51 | return cliResumeTarget{}, rc |
| 52 | } |
| 53 | target = picked |
| 54 | case resumeValue != "": |
| 55 | resolved, err := resolveSessionQuery(resolveCLISessionDir(), resumeValue) |
| 56 | if err != nil { |
| 57 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 58 | return cliResumeTarget{}, 1 |
| 59 | } |
| 60 | target = resolved |
| 61 | case cont: |
| 62 | continued, rc := continueResumeTarget() |
| 63 | if rc != 0 { |
| 64 | return cliResumeTarget{}, rc |
| 65 | } |
| 66 | target = continued |
| 67 | } |
| 68 | return target, copySessionExitCode(copySession, target) |
| 69 | } |
| 70 | |
| 71 | // normalizedResumeFlag maps the bare-flag spellings of --resume onto the |
| 72 | // values the resolver understands. The result also decides the telemetry |
| 73 | // session mode, so it is computed once and shared. |
| 74 | func normalizedResumeFlag(resume string) string { |
| 75 | value := strings.TrimSpace(resume) |
| 76 | switch strings.ToLower(value) { |
| 77 | case "true": |
| 78 | return resumePickerSentinel |
| 79 | case "false": |
| 80 | return "" |
| 81 | } |
| 82 | return value |
| 83 | } |
| 84 | |
| 85 | // continueResumeTarget implements --continue: sweep the recovery branches this |
| 86 | // workspace left behind, then take the newest conversation. |
| 87 | func continueResumeTarget() (cliResumeTarget, int) { |
| 88 | sessionDir := resolveCLISessionDir() |
| 89 | reclaimCLIRecoveryBranches(sessionDir) |
| 90 | target, ok := newestResumeTarget(sessionDir) |
| 91 | if !ok { |
| 92 | fmt.Fprintln(os.Stderr, i18n.M.NoSessionToResume) |
| 93 | return cliResumeTarget{}, 1 |
| 94 | } |
| 95 | return target, 0 |
| 96 | } |
| 97 | |
| 98 | // copySessionExitCode validates --copy against the resolved target: forking |
| 99 | // needs something to fork, and a final-format session has no transcript file |
| 100 | // to copy yet. |
| 101 | func copySessionExitCode(copySession bool, target cliResumeTarget) int { |
| 102 | switch { |
| 103 | case !copySession: |
| 104 | return 0 |
| 105 | case target.empty(): |
| 106 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, "--copy requires --resume or --continue") |
| 107 | case target.canonical(): |
| 108 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, "--copy does not support final-format sessions yet") |
| 109 | default: |
| 110 | return 0 |
| 111 | } |
| 112 | return 2 |
| 113 | } |
| 114 | |
| 115 | // commitStartupResume binds the resolved target to ctrl. A final-format |
| 116 | // session whose writer is held elsewhere is taken over only when approve |
| 117 | // agrees, which is the sole difference between --takeover and the TUI prompt. |
| 118 | func commitStartupResume(binding *cliTakeoverBinding, manager *cliTakeoverManager, ctrl *control.Controller, |
| 119 | resumed *agent.Session, target cliResumeTarget, approve func(error) bool) error { |
| 120 | err := commitResumedSession(binding, manager, ctrl, resumed, target) |
| 121 | if err == nil || !target.canonical() || !errors.Is(err, session.ErrWriterOwned) || !approve(err) { |
| 122 | return err |
| 123 | } |
| 124 | return cliStartupCanonicalTakeover(ctrl, manager, target) |
| 125 | } |
| 126 | |
| 127 | // flagTakeoverApproval answers for --takeover, which commits before the |
| 128 | // conflict is known. |
| 129 | func flagTakeoverApproval(enabled bool) func(error) bool { |
| 130 | return func(error) bool { return enabled } |
| 131 | } |
| 132 | |
| 133 | // promptTakeoverApproval asks on the terminal; a non-interactive start declines. |
| 134 | func promptTakeoverApproval(err error) bool { |
| 135 | return isInteractive() && promptSessionTakeover(err) |
| 136 | } |
| 137 |