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patch sequence appending and updating
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‎integration-tests/append-patches/__snapshots__/append-patches.test.ts.snap

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// Jest Snapshot v1, https://goo.gl/fbAQLP
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exports[`Test append-patches: 00: basic patch file 1`] = `
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"SNAPSHOT: basic patch file
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left-pad+1.3.0.patch
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 01: after appending a patch file 1`] = `
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"SNAPSHOT: after appending a patch file
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left-pad+1.3.0+001+initial.patch
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left-pad+1.3.0+002+MillionDollars.patch
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 02: the second patch file should go from patch-package to a million dollars 1`] = `
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"SNAPSHOT: the second patch file should go from patch-package to a million dollars
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diff --git a/node_modules/left-pad/index.js b/node_modules/left-pad/index.js
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index a409e14..73d2a7c 100644
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--- a/node_modules/left-pad/index.js
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+++ b/node_modules/left-pad/index.js
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@@ -3,7 +3,7 @@
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* and/or modify it under the terms of the Do What The Fuck You Want
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* To Public License, Version 2, as published by Sam Hocevar. See
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* http://www.wtfpl.net/ for more details. */
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-'use patch-package';
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+'use a million dollars';
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module.exports = leftPad;
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var cache = [
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 03: creating a first patch file with --append 1`] = `
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"SNAPSHOT: creating a first patch file with --append
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left-pad+1.3.0+001+FirstPatch.patch
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 04: the squashed patch file should go from use strict to a million dollars 1`] = `
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"SNAPSHOT: the squashed patch file should go from use strict to a million dollars
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diff --git a/node_modules/left-pad/index.js b/node_modules/left-pad/index.js
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index e90aec3..73d2a7c 100644
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--- a/node_modules/left-pad/index.js
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+++ b/node_modules/left-pad/index.js
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@@ -3,7 +3,7 @@
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* and/or modify it under the terms of the Do What The Fuck You Want
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* To Public License, Version 2, as published by Sam Hocevar. See
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* http://www.wtfpl.net/ for more details. */
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-'use strict';
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+'use a million dollars';
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module.exports = leftPad;
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var cache = [
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 05: after appending a billion dollars 1`] = `
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"SNAPSHOT: after appending a billion dollars
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left-pad+1.3.0+001+FirstPatch.patch
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left-pad+1.3.0+002+BillionDollars.patch
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 06: after updating the appended patch file to a TRILLION dollars 1`] = `
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"SNAPSHOT: after updating the appended patch file to a TRILLION dollars
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diff --git a/node_modules/left-pad/index.js b/node_modules/left-pad/index.js
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index 73d2a7c..f53ea10 100644
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--- a/node_modules/left-pad/index.js
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+++ b/node_modules/left-pad/index.js
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@@ -3,7 +3,7 @@
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* and/or modify it under the terms of the Do What The Fuck You Want
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* To Public License, Version 2, as published by Sam Hocevar. See
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* http://www.wtfpl.net/ for more details. */
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-'use a million dollars';
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+'use a trillion dollars';
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module.exports = leftPad;
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var cache = [
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END SNAPSHOT"
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`;
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exports[`Test append-patches: 07: patch-package fails when a patch in the sequence is invalid 1`] = `
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"SNAPSHOT: patch-package fails when a patch in the sequence is invalid
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Failed to apply patch left-pad+1.3.0+001+FirstPatch.patch to left-pad
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END SNAPSHOT"
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`;

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

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# make sure errors stop the script
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set -e
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npm install
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echo "add patch-package"
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npm add $1
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alias patch-package=./node_modules/.bin/patch-package
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function replace() {
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npx replace "$1" "$2" node_modules/left-pad/index.js
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}
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echo "making an initial patch file does not add a sequence number to the file by default"
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replace 'use strict' 'use patch-package'
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patch-package left-pad
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echo "SNAPSHOT: basic patch file"
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ls patches
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echo "END SNAPSHOT"
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echo "using --apend creates a patch file with a sequence number and updates the original patch file"
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replace 'use patch-package' 'use a million dollars'
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patch-package left-pad --append 'MillionDollars'
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echo "SNAPSHOT: after appending a patch file"
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ls patches
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echo "END SNAPSHOT"
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echo "SNAPSHOT: the second patch file should go from patch-package to a million dollars"
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cat patches/left-pad*MillionDollars.patch
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echo "END SNAPSHOT"
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echo "we can squash the patches together by deleting the patch files"
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rm patches/left-pad*patch
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patch-package left-pad --append 'FirstPatch'
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echo "SNAPSHOT: creating a first patch file with --append"
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ls patches
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echo "END SNAPSHOT"
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echo "SNAPSHOT: the squashed patch file should go from use strict to a million dollars"
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cat patches/left-pad*FirstPatch.patch
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echo "END SNAPSHOT"
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echo "i can update an appended patch file"
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replace 'use a million dollars' 'use a billion dollars'
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patch-package left-pad --append 'BillionDollars'
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echo "SNAPSHOT: after appending a billion dollars"
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ls patches
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echo "END SNAPSHOT"
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replace 'use a billion dollars' 'use a trillion dollars'
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patch-package left-pad
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echo "SNAPSHOT: after updating the appended patch file to a TRILLION dollars"
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cat patches/left-pad*BillionDollars.patch
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echo "END SNAPSHOT"
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echo "if one of the patches in the sequence is invalid, the sequence is not applied"
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npx replace 'use strict' 'use bananas' patches/*FirstPatch.patch
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(>&2 echo "SNAPSHOT: patch-package fails when a patch in the sequence is invalid")
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if patch-package left-pad --append 'Bananas' ; then
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exit 1
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fi
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(>&2 echo "END SNAPSHOT")

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

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import { runIntegrationTest } from "../runIntegrationTest"
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runIntegrationTest({
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projectName: "append-patches",
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shouldProduceSnapshots: true,
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})

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