remove support of default branch global exp for push tag events

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

README.md

@@ -675,12 +675,18 @@ Returns the short commit SHA that triggered the workflow run (e.g., `90dd603`).
 Returns the base ref or target branch of the pull request that triggered the
 workflow run. Will be empty for a branch reference:
 
-| Event           | Ref                           | Output             |
+| Event          | Ref                           | Output             |
-|-----------------|-------------------------------|--------------------|
+|----------------|-------------------------------|--------------------|
-| `pull_request`  | `refs/pull/2/merge`           | `master`           |
+| `pull_request` | `refs/pull/2/merge`           | `master`           |
-| `push`          | `refs/heads/master`           |                    |
+| `push`         | `refs/heads/master`           |                    |
-| `push`          | `refs/heads/my/branch`        |                    |
+| `push`         | `refs/heads/my/branch`        |                    |
-| `push tag`      | `refs/tags/v1.2.3`            | `master`           |
+| `push tag`*    | `refs/tags/v1.2.3`            | `master`           |
+
+> *`base_ref` is available in the push payload but doesn't always seem to 
+> return the expected branch when the push tag event occurs. It's also
+> [not documented in GitHub docs](https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#push).
+> We keep it for backward compatibility, but it's **not recommended relying on it**.
+> More context in [#192](https://github.com/docker/metadata-action/pull/192#discussion_r854673012). 
 
 #### `{{is_default_branch}}`
 
@@ -688,7 +694,7 @@ Returns `true` if the branch that triggered the workflow run is the default
 one, otherwise `false`.
 
 Will compare against the branch name that triggered the workflow run or the 
-base ref or target branch for a pull request or a tag.
+base ref for a pull request.
 
 #### `{{date '<format>'}}`
 

__tests__/meta.test.ts

@@ -1332,18 +1332,15 @@ describe('tag', () => {
       {
         main: 'v1.1.1-860c190-foo',
         partial: [
-          'master-foo',
+          'master-foo'
-          'defbranch-foo'
         ],
         latest: false
       } as Version,
       [
         'org/app:v1.1.1-860c190-foo',
         'org/app:master-foo',
-        'org/app:defbranch-foo',
         'ghcr.io/user/app:v1.1.1-860c190-foo',
-        'ghcr.io/user/app:master-foo',
+        'ghcr.io/user/app:master-foo'
-        'ghcr.io/user/app:defbranch-foo'
       ],
       [
         "org.opencontainers.image.title=Hello-World",

dist/index.js

@@ -56,5 +56,5 @@ hooks.version="2.29.3";setHookCallback(createLocal);hooks.fn=We;hooks.min=min;ho
  * XRegExp 4.4.1
  * <xregexp.com>
  * Steven Levithan (c) 2007-present MIT License
- */var T="xregexp";var k={astral:false,namespacing:false};var O={exec:RegExp.prototype.exec,test:RegExp.prototype.test,match:String.prototype.match,replace:String.prototype.replace,split:String.prototype.split};var P={};var x={};var A={};var D=[];var N="default";var C="class";var I={default:/\\(?:0(?:[0-3][0-7]{0,2}|[4-7][0-7]?)?|[1-9]\d*|x[\dA-Fa-f]{2}|u(?:[\dA-Fa-f]{4}|{[\dA-Fa-f]+})|c[A-Za-z]|[\s\S])|\(\?(?:[:=!]|<[=!])|[?*+]\?|{\d+(?:,\d*)?}\??|[\s\S]/,class:/\\(?:[0-3][0-7]{0,2}|[4-7][0-7]?|x[\dA-Fa-f]{2}|u(?:[\dA-Fa-f]{4}|{[\dA-Fa-f]+})|c[A-Za-z]|[\s\S])|[\s\S]/};var R=/\$(?:{([\w$]+)}|<([\w$]+)>|(\d\d?|[\s\S]))/g;var L=O.exec.call(/()??/,"")[1]===undefined;var M=(0,E["default"])(/x/)!==undefined;var G={},V=G.toString;function hasNativeFlag(t){var a=true;try{new RegExp("",t);if(t==="y"){var r=function(){return"gy"}();var d=".a".replace(new RegExp("a",r),".")==="..";if(d){a=false}}}catch(t){a=false}return a}var U=hasNativeFlag("u");var j=hasNativeFlag("y");var B={g:true,i:true,m:true,u:U,y:j};function augment(t,a,r,d,i){var o;t[T]={captureNames:a};if(i){return t}if(t.__proto__){t.__proto__=XRegExp.prototype}else{for(var p in XRegExp.prototype){t[p]=XRegExp.prototype[p]}}t[T].source=r;t[T].flags=d?(0,S["default"])(o=d.split("")).call(o).join(""):d;return t}function clipDuplicates(t){return O.replace.call(t,/([\s\S])(?=[\s\S]*\1)/g,"")}function copyRegex(t,a){var r;if(!XRegExp.isRegExp(t)){throw new TypeError("Type RegExp expected")}var d=t[T]||{};var i=getNativeFlags(t);var o="";var p="";var u=null;var l=null;a=a||{};if(a.removeG){p+="g"}if(a.removeY){p+="y"}if(p){i=O.replace.call(i,new RegExp("[".concat(p,"]+"),"g"),"")}if(a.addG){o+="g"}if(a.addY){o+="y"}if(o){i=clipDuplicates(i+o)}if(!a.isInternalOnly){if(d.source!==undefined){u=d.source}if((0,E["default"])(d)!=null){l=o?clipDuplicates((0,E["default"])(d)+o):(0,E["default"])(d)}}t=augment(new RegExp(a.source||t.source,i),hasNamedCapture(t)?(0,y["default"])(r=d.captureNames).call(r,0):null,u,l,a.isInternalOnly);return t}function dec(t){return(0,w["default"])(t,16)}function getContextualTokenSeparator(t,a,r){if(t.input[t.index-1]==="("||t.input[t.index+t[0].length]===")"||t.input[t.index-1]==="|"||t.input[t.index+t[0].length]==="|"||t.index<1||t.index+t[0].length>=t.input.length||O.test.call(/^\(\?[:=!]/,t.input.substr(t.index-3,3))||isQuantifierNext(t.input,t.index+t[0].length,r)){return""}return"(?:)"}function getNativeFlags(t){return M?(0,E["default"])(t):O.exec.call(/\/([a-z]*)$/i,RegExp.prototype.toString.call(t))[1]}function hasNamedCapture(t){return!!(t[T]&&t[T].captureNames)}function hex(t){return(0,w["default"])(t,10).toString(16)}function isQuantifierNext(t,a,r){var d="\\(\\?#[^)]*\\)";var i="#[^#\\n]*";var o="[?*+]|{\\d+(?:,\\d*)?}";return O.test.call((0,b["default"])(r).call(r,"x")?/^(?:\s|#[^#\n]*|\(\?#[^)]*\))*(?:[?*+]|{\d+(?:,\d*)?})/:/^(?:\(\?#[^)]*\))*(?:[?*+]|{\d+(?:,\d*)?})/,(0,y["default"])(t).call(t,a))}function isType(t,a){return V.call(t)==="[object ".concat(a,"]")}function pad4(t){while(t.length<4){t="0".concat(t)}return t}function prepareFlags(t,a){if(clipDuplicates(a)!==a){throw new SyntaxError("Invalid duplicate regex flag ".concat(a))}t=O.replace.call(t,/^\(\?([\w$]+)\)/,(function(t,r){if(O.test.call(/[gy]/,r)){throw new SyntaxError("Cannot use flag g or y in mode modifier ".concat(t))}a=clipDuplicates(a+r);return""}));var r=_createForOfIteratorHelper(a),d;try{for(r.s();!(d=r.n()).done;){var i=d.value;if(!B[i]){throw new SyntaxError("Unknown regex flag ".concat(i))}}}catch(t){r.e(t)}finally{r.f()}return{pattern:t,flags:a}}function prepareOptions(t){var a={};if(isType(t,"String")){(0,_["default"])(XRegExp).call(XRegExp,t,/[^\s,]+/,(function(t){a[t]=true}));return a}return t}function registerFlag(t){if(!/^[\w$]$/.test(t)){throw new Error("Flag must be a single character A-Za-z0-9_$")}B[t]=true}function runTokens(t,a,r,d,i){var o=D.length;var p=t[r];var u=null;var l;var c;while(o--){c=D[o];if(c.leadChar&&c.leadChar!==p||c.scope!==d&&c.scope!=="all"||c.flag&&!(0,b["default"])(a).call(a,c.flag)){continue}l=XRegExp.exec(t,c.regex,r,"sticky");if(l){u={matchLength:l[0].length,output:c.handler.call(i,l,d,a),reparse:c.reparse};break}}return u}function setAstral(t){k.astral=t}function setNamespacing(t){k.namespacing=t}function toObject(t){if(t==null){throw new TypeError("Cannot convert null or undefined to object")}return t}function XRegExp(t,a){if(XRegExp.isRegExp(t)){if(a!==undefined){throw new TypeError("Cannot supply flags when copying a RegExp")}return copyRegex(t)}t=t===undefined?"":String(t);a=a===undefined?"":String(a);if(XRegExp.isInstalled("astral")&&!(0,b["default"])(a).call(a,"A")){a+="A"}if(!A[t]){A[t]={}}if(!A[t][a]){var r={hasNamedCapture:false,captureNames:[]};var d=N;var i="";var o=0;var p;var u=prepareFlags(t,a);var l=u.pattern;var c=(0,E["default"])(u);while(o<l.length){do{p=runTokens(l,c,o,d,r);if(p&&p.reparse){l=(0,y["default"])(l).call(l,0,o)+p.output+(0,y["default"])(l).call(l,o+p.matchLength)}}while(p&&p.reparsLine truncated
+ */var T="xregexp";var k={astral:false,namespacing:false};var O={exec:RegExp.prototype.exec,test:RegExp.prototype.test,match:String.prototype.match,replace:String.prototype.replace,split:String.prototype.split};var P={};var x={};var A={};var D=[];var N="default";var C="class";var I={default:/\\(?:0(?:[0-3][0-7]{0,2}|[4-7][0-7]?)?|[1-9]\d*|x[\dA-Fa-f]{2}|u(?:[\dA-Fa-f]{4}|{[\dA-Fa-f]+})|c[A-Za-z]|[\s\S])|\(\?(?:[:=!]|<[=!])|[?*+]\?|{\d+(?:,\d*)?}\??|[\s\S]/,class:/\\(?:[0-3][0-7]{0,2}|[4-7][0-7]?|x[\dA-Fa-f]{2}|u(?:[\dA-Fa-f]{4}|{[\dA-Fa-f]+})|c[A-Za-z]|[\s\S])|[\s\S]/};var R=/\$(?:{([\w$]+)}|<([\w$]+)>|(\d\d?|[\s\S]))/g;var L=O.exec.call(/()??/,"")[1]===undefined;var M=(0,E["default"])(/x/)!==undefined;var G={},V=G.toString;function hasNativeFlag(t){var a=true;try{new RegExp("",t);if(t==="y"){var r=function(){return"gy"}();var d=".a".replace(new RegExp("a",r),".")==="..";if(d){a=false}}}catch(t){a=false}return a}var U=hasNativeFlag("u");var j=hasNativeFlag("y");var B={g:true,i:true,m:true,u:U,y:j};function augment(t,a,r,d,i){var o;t[T]={captureNames:a};if(i){return t}if(t.__proto__){t.__proto__=XRegExp.prototype}else{for(var p in XRegExp.prototype){t[p]=XRegExp.prototype[p]}}t[T].source=r;t[T].flags=d?(0,S["default"])(o=d.split("")).call(o).join(""):d;return t}function clipDuplicates(t){return O.replace.call(t,/([\s\S])(?=[\s\S]*\1)/g,"")}function copyRegex(t,a){var r;if(!XRegExp.isRegExp(t)){throw new TypeError("Type RegExp expected")}var d=t[T]||{};var i=getNativeFlags(t);var o="";var p="";var u=null;var l=null;a=a||{};if(a.removeG){p+="g"}if(a.removeY){p+="y"}if(p){i=O.replace.call(i,new RegExp("[".concat(p,"]+"),"g"),"")}if(a.addG){o+="g"}if(a.addY){o+="y"}if(o){i=clipDuplicates(i+o)}if(!a.isInternalOnly){if(d.source!==undefined){u=d.source}if((0,E["default"])(d)!=null){l=o?clipDuplicates((0,E["default"])(d)+o):(0,E["default"])(d)}}t=augment(new RegExp(a.source||t.source,i),hasNamedCapture(t)?(0,y["default"])(r=d.captureNames).call(r,0):null,u,l,a.isInternalOnly);return t}function dec(t){return(0,w["default"])(t,16)}function getContextualTokenSeparator(t,a,r){if(t.input[t.index-1]==="("||t.input[t.index+t[0].length]===")"||t.input[t.index-1]==="|"||t.input[t.index+t[0].length]==="|"||t.index<1||t.index+t[0].length>=t.input.length||O.test.call(/^\(\?[:=!]/,t.input.substr(t.index-3,3))||isQuantifierNext(t.input,t.index+t[0].length,r)){return""}return"(?:)"}function getNativeFlags(t){return M?(0,E["default"])(t):O.exec.call(/\/([a-z]*)$/i,RegExp.prototype.toString.call(t))[1]}function hasNamedCapture(t){return!!(t[T]&&t[T].captureNames)}function hex(t){return(0,w["default"])(t,10).toString(16)}function isQuantifierNext(t,a,r){var d="\\(\\?#[^)]*\\)";var i="#[^#\\n]*";var o="[?*+]|{\\d+(?:,\\d*)?}";return O.test.call((0,b["default"])(r).call(r,"x")?/^(?:\s|#[^#\n]*|\(\?#[^)]*\))*(?:[?*+]|{\d+(?:,\d*)?})/:/^(?:\(\?#[^)]*\))*(?:[?*+]|{\d+(?:,\d*)?})/,(0,y["default"])(t).call(t,a))}function isType(t,a){return V.call(t)==="[object ".concat(a,"]")}function pad4(t){while(t.length<4){t="0".concat(t)}return t}function prepareFlags(t,a){if(clipDuplicates(a)!==a){throw new SyntaxError("Invalid duplicate regex flag ".concat(a))}t=O.replace.call(t,/^\(\?([\w$]+)\)/,(function(t,r){if(O.test.call(/[gy]/,r)){throw new SyntaxError("Cannot use flag g or y in mode modifier ".concat(t))}a=clipDuplicates(a+r);return""}));var r=_createForOfIteratorHelper(a),d;try{for(r.s();!(d=r.n()).done;){var i=d.value;if(!B[i]){throw new SyntaxError("Unknown regex flag ".concat(i))}}}catch(t){r.e(t)}finally{r.f()}return{pattern:t,flags:a}}function prepareOptions(t){var a={};if(isType(t,"String")){(0,_["default"])(XRegExp).call(XRegExp,t,/[^\s,]+/,(function(t){a[t]=true}));return a}return t}function registerFlag(t){if(!/^[\w$]$/.test(t)){throw new Error("Flag must be a single character A-Za-z0-9_$")}B[t]=true}function runTokens(t,a,r,d,i){var o=D.length;var p=t[r];var u=null;var l;var c;while(o--){c=D[o];if(c.leadChar&&c.leadChar!==p||c.scope!==d&&c.scope!=="all"||c.flag&&!(0,b["default"])(a).call(a,c.flag)){continue}l=XRegExp.exec(t,c.regex,r,"sticky");if(l){u={matchLength:l[0].length,output:c.handler.call(i,l,d,a),reparse:c.reparse};break}}return u}function setAstral(t){k.astral=t}function setNamespacing(t){k.namespacing=t}function toObject(t){if(t==null){throw new TypeError("Cannot convert null or undefined to object")}return t}function XRegExp(t,a){if(XRegExp.isRegExp(t)){if(a!==undefined){throw new TypeError("Cannot supply flags when copying a RegExp")}return copyRegex(t)}t=t===undefined?"":String(t);a=a===undefined?"":String(a);if(XRegExp.isInstalled("astral")&&!(0,b["default"])(a).call(a,"A")){a+="A"}if(!A[t]){A[t]={}}if(!A[t][a]){var r={hasNamedCapture:false,captureNames:[]};var d=N;var i="";var o=0;var p;var u=prepareFlags(t,a);var l=u.pattern;var c=(0,E["default"])(u);while(o<l.length){do{p=runTokens(l,c,o,d,r);if(p&&p.reparse){l=(0,y["default"])(l).call(l,0,o)+p.output+(0,y["default"])(l).call(l,o+p.matchLength)}}while(p&&p.reparsLine truncated
 //# sourceMappingURL=index.js.map

dist/index.js.map

@@ -1 +1 @@
-{"version":3,"sources":["../webpack:/docker-metadata-action/node_modules/@actions/core/lib/command.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/core.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/file-command.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/oidc-utils.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/utils.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/context.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/github.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/internal/utils.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/utils.js","../webpack:/docker-metadata-action/node_modules/@actions/http-client/auth.js","../webpack:/docker-metadata-action/node_modules/@actions/http-client/index.js","../webpack:/docker-metadata-action/node_modules/@actions/http-client/proxy.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/array/from.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/array/is-array.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/concat.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/flags.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/for-each.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/includes.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/index-of.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/map.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/reduce.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/slice.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/sort.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/object/create.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/object/define-property.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/parse-int.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/symbol.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/array/from.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/array/is-array.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/get-iterator-method.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/get-iterator.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/instance/slice.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/symbol.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/arrayLikeToArray.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/arrayWithHoles.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/interopRequireDefault.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/iterableToArrayLimit.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/nonIterableRest.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/slicedToArray.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/unsupportedIterableToArray.js","../webpack:/docker-metadata-action/node_modules/@octokit/auth-token/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/core/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/endpoint/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/graphql/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/graphql/node_modules/@octokit/request-error/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/graphql/node_modules/@octokit/request/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/plugin-paginate-rest/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/plugin-rest-endpoint-methods/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/request/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/request/node_modules/@octokit/request-error/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@renovate/pep440/index.js","../webpack:/docker-metadata-action/node_modLine truncated
+{"version":3,"sources":["../webpack:/docker-metadata-action/node_modules/@actions/core/lib/command.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/core.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/file-command.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/oidc-utils.js","../webpack:/docker-metadata-action/node_modules/@actions/core/lib/utils.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/context.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/github.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/internal/utils.js","../webpack:/docker-metadata-action/node_modules/@actions/github/lib/utils.js","../webpack:/docker-metadata-action/node_modules/@actions/http-client/auth.js","../webpack:/docker-metadata-action/node_modules/@actions/http-client/index.js","../webpack:/docker-metadata-action/node_modules/@actions/http-client/proxy.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/array/from.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/array/is-array.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/concat.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/flags.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/for-each.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/includes.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/index-of.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/map.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/reduce.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/slice.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/instance/sort.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/object/create.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/object/define-property.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/parse-int.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js-stable/symbol.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/array/from.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/array/is-array.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/get-iterator-method.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/get-iterator.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/instance/slice.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/core-js/symbol.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/arrayLikeToArray.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/arrayWithHoles.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/interopRequireDefault.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/iterableToArrayLimit.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/nonIterableRest.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/slicedToArray.js","../webpack:/docker-metadata-action/node_modules/@babel/runtime-corejs3/helpers/unsupportedIterableToArray.js","../webpack:/docker-metadata-action/node_modules/@octokit/auth-token/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/core/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/endpoint/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/graphql/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/graphql/node_modules/@octokit/request-error/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/graphql/node_modules/@octokit/request/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/plugin-paginate-rest/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/plugin-rest-endpoint-methods/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/request/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@octokit/request/node_modules/@octokit/request-error/dist-node/index.js","../webpack:/docker-metadata-action/node_modules/@renovate/pep440/index.js","../webpack:/docker-metadata-action/node_modLine truncated

src/meta.ts

@@ -369,6 +369,8 @@ export class Meta {
         if (/^refs\/tags\//.test(ctx.ref) && ctx.payload?.base_ref != undefined) {
           return ctx.payload.base_ref.replace(/^refs\/heads\//g, '').replace(/\//g, '-');
         }
+        // FIXME: keep this for backward compatibility even if doesn't always seem
+        //  to return the expected branch. See the comment below.
         if (/^refs\/pull\//.test(ctx.ref) && ctx.payload?.pull_request?.base?.ref != undefined) {
           return ctx.payload.pull_request.base.ref;
         }
@@ -376,9 +378,13 @@ export class Meta {
       },
       is_default_branch: function () {
         let branch = ctx.ref.replace(/^refs\/heads\//g, '');
-        if (/^refs\/tags\//.test(ctx.ref) && ctx.payload?.base_ref != undefined) {
+        // TODO: "base_ref" is available in the push payload but doesn't always seem to
-          branch = ctx.payload.base_ref.replace(/^refs\/heads\//g, '');
+        //  return the expected branch when the push tag event occurs. It's also not
-        }
+        //  documented in GitHub docs: https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#push
+        //  more context: https://github.com/docker/metadata-action/pull/192#discussion_r854673012
+        // if (/^refs\/tags\//.test(ctx.ref) && ctx.payload?.base_ref != undefined) {
+        //   branch = ctx.payload.base_ref.replace(/^refs\/heads\//g, '');
+        // }
         if (/^refs\/pull\//.test(ctx.ref) && ctx.payload?.pull_request?.base?.ref != undefined) {
           branch = ctx.payload.pull_request.base.ref;
         }