don't recommend --create-issue with --append

integration-tests/append-patches/__snapshots__/append-patches.test.ts.snap

@@ -85,3 +85,9 @@ exports[`Test append-patches: 07: patch-package fails when a patch in the sequen
 Failed to apply patch left-pad+1.3.0+001+FirstPatch.patch to left-pad
 END SNAPSHOT"
 `;
+
+exports[`Test append-patches: 08: --append is not compatible with --create-issue 1`] = `
+"SNAPSHOT: --append is not compatible with --create-issue
+--create-issue is not compatible with --append.
+END SNAPSHOT"
+`;

integration-tests/append-patches/append-patches.sh

@@ -75,4 +75,10 @@ npx replace 'use strict' 'use bananas'  patches/*FirstPatch.patch
 if patch-package left-pad --append 'Bananas' ; then
   exit 1
 fi
+(>&2 echo "END SNAPSHOT")
+
+(>&2 echo "SNAPSHOT: --append is not compatible with --create-issue")
+if patch-package left-pad --append 'Bananas' --create-issue ; then
+  exit 1
+fi
 (>&2 echo "END SNAPSHOT")

src/createIssue.ts

@@ -29,7 +29,7 @@ function parseRepoString(
   return { org, repo, provider: "GitHub" }
 }
 
-function getPackageVCSDetails(packageDetails: PackageDetails) {
+export function getPackageVCSDetails(packageDetails: PackageDetails) {
   const repository = require(resolve(join(packageDetails.path, "package.json")))
     .repository as undefined | string | { url: string }
 
@@ -61,11 +61,11 @@ export function shouldRecommendIssue(
 }
 
 export function maybePrintIssueCreationPrompt(
+  vcs: ReturnType<typeof getPackageVCSDetails>,
   packageDetails: PackageDetails,
   packageManager: PackageManager,
 ) {
-  const vcs = getPackageVCSDetails(packageDetails)
-  if (vcs && shouldRecommendIssue(vcs)) {
+  if (vcs) {
     console.log(`💡 ${chalk.bold(packageDetails.name)} is on ${
       vcs.provider
     }! To draft an issue based on your patch run

src/makePatch.ts

@@ -14,8 +14,10 @@ import { dirSync } from "tmp"
 import { gzipSync } from "zlib"
 import { applyPatch } from "./applyPatches"
 import {
+  getPackageVCSDetails,
   maybePrintIssueCreationPrompt,
   openIssueCreationLink,
+  shouldRecommendIssue,
 } from "./createIssue"
 import { PackageManager } from "./detectPackageManager"
 import { removeIgnoredFiles } from "./filterFiles"
@@ -74,6 +76,19 @@ export function makePatch({
       packageDetails.pathSpecifier
     ] || []
 
+  if (createIssue && mode.type === "append") {
+    console.error("--create-issue is not compatible with --append.")
+    process.exit(1)
+  }
+
+  const numPatchesAfterCreate =
+    mode.type === "append" ? existingPatches.length + 1 : existingPatches.length
+  const vcs = getPackageVCSDetails(packageDetails)
+  const canCreateIssue =
+    shouldRecommendIssue(vcs) &&
+    numPatchesAfterCreate === 1 &&
+    mode.type !== "append"
+
   const appPackageJson = require(join(appPath, "package.json"))
   const packagePath = join(appPath, packageDetails.path)
   const packageJsonPath = join(packagePath, "package.json")
@@ -367,14 +382,16 @@ export function makePatch({
     console.log(
       `${chalk.green("✔")} Created file ${join(patchDir, patchFileName)}\n`,
     )
-    if (createIssue) {
-      openIssueCreationLink({
-        packageDetails,
-        patchFileContents: diffResult.stdout.toString(),
-        packageVersion,
-      })
-    } else {
-      maybePrintIssueCreationPrompt(packageDetails, packageManager)
+    if (canCreateIssue) {
+      if (createIssue) {
+        openIssueCreationLink({
+          packageDetails,
+          patchFileContents: diffResult.stdout.toString(),
+          packageVersion,
+        })
+      } else {
+        maybePrintIssueCreationPrompt(vcs, packageDetails, packageManager)
+      }
     }
   } catch (e) {
     console.error(e)