Add current date variable support

README.md

@@ -55,6 +55,15 @@ You can use the value of other build variables to setup the value.
 
 By assigning to the `Build.BuildNumber` variable, the build number of the Build will be updated/overwritten.
 
+## Set Variable to Current Date
+You can now set a variable to the current date with a specified date format. Simply add the **Set Variable** task to your workflow and select "currentDate" as the "From" option. Then specify the desired date format.
+
+> **Set: 'Build.CurrentDate' to the current date with format 'yyyyMMdd'** 
+> 
+> * *Variablename*: `Build.CurrentDate`
+> * *From*: `currentDate`
+> * *DateFormat*: `yyyyMMdd`
+
 # Transform value and assign to Variable
 If you need to do more advanced transformations of your values, use the transform task. You can use it to encode/decode the value and apply a number of simpe string manipulations, including Search & Replace, Change Case, Trim, Pad etc.
 

vsts-variable-set/v1/task.json

@@ -33,13 +33,46 @@
       "type": "string",
       "aliases": ["variableName"]
     },
+    {
+      "defaultValue": "value",
+      "helpMarkdown": "Take the value from the input or an environment variable.",
+      "label": "From",
+      "name": "From",
+      "required": true,
+      "type": "pickList",
+      "options": {
+        "value": "value",
+        "env": "env",
+        "currentDate": "currentDate"
+      }
+    },
     {
       "defaultValue": "",
       "helpMarkdown": "The value to assign to the variable.",
       "label": "Value",
       "name": "Value",
       "required": false,
-      "type": "string"
+      "type": "string",
+      "visibleRule": "From=value"
+    },
+    {
+      "defaultValue": "",
+      "helpMarkdown": "The value to assign to the variable.",
+      "label": "Environment Variable",
+      "name": "Env",
+      "required": true,
+      "type": "string",
+      "aliases": ["Env", "Environment"],
+      "visibleRule": "From=env"
+    },
+    {
+      "defaultValue": "yyyy-MM-dd",
+      "helpMarkdown": "The date format to use when setting the variable to the current date.",
+      "label": "Date Format",
+      "name": "DateFormat",
+      "required": true,
+      "type": "string",
+      "visibleRule": "From=currentDate"
     },
     {
       "defaultValue": false,
@@ -77,4 +110,4 @@
       "argumentFormat": ""
     }
   }
-}
+}

vsts-variable-set/v1/vsts-variable-set.ts

@@ -1,7 +1,36 @@
 import * as tl from "azure-pipelines-task-lib/task";
 
 const variable = tl.getInput("VariableName", true);
-const value = tl.getInput("Value");
+
+function getCurrentDate(format: string): string {
+    const date = new Date();
+    const options: Intl.DateTimeFormatOptions = {
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit',
+        hour: '2-digit',
+        minute: '2-digit',
+        second: '2-digit',
+        hour12: false
+    };
+    return new Intl.DateTimeFormat('default', options).format(date).replace(/\//g, '-').replace(/, /g, ' ').replace(/:/g, '-');
+}
+
+function getValue() {
+    const from = tl.getInput("From") || "value";
+    switch (from) {
+        case "value":
+            return tl.getInput("Value");
+        case "env":
+            return process.env[tl.getInput("Env", true)];
+        case "currentDate":
+            return getCurrentDate(tl.getInput("DateFormat", true));
+        default:
+            return "";
+    }
+}
+
+const value = getValue();
 const isSecret = tl.getBoolInput("isSecret") || false;
 const useTaskLib = tl.getBoolInput("useTasklib") || false;
 

vsts-variable-set/v2/task.json

@@ -50,14 +50,47 @@
       "required": false,
       "visibleRule": "VariableName=release.releasename"
     },
+    {
+      "defaultValue": "value",
+      "helpMarkdown": "Take the value from the input or an environment variable.",
+      "label": "From",
+      "name": "From",
+      "required": true,
+      "type": "pickList",
+      "options": {
+        "value": "value",
+        "env": "env",
+        "currentDate": "currentDate"
+      }
+    },
     {
       "defaultValue": "",
       "helpMarkdown": "The value to assign to the variable.",
       "label": "Value",
       "name": "Value",
       "required": false,
       "type": "string",
-      "aliases": ["value"]
+      "aliases": ["value"],
+      "visibleRule": "From=value"
+    },
+    {
+      "defaultValue": "",
+      "helpMarkdown": "The value to assign to the variable.",
+      "label": "Environment Variable",
+      "name": "Env",
+      "required": true,
+      "type": "string",
+      "aliases": ["Env", "Environment"],
+      "visibleRule": "From=env"
+    },
+    {
+      "defaultValue": "yyyy-MM-dd",
+      "helpMarkdown": "The date format to use when setting the variable to the current date.",
+      "label": "Date Format",
+      "name": "DateFormat",
+      "required": true,
+      "type": "string",
+      "visibleRule": "From=currentDate"
     },
     {
       "defaultValue": false,

vsts-variable-set/v2/vsts-variable-set.ts

@@ -1,7 +1,36 @@
 import * as tl from "azure-pipelines-task-lib/task";
 
 const variable = tl.getInput("VariableName", true);
-const value = tl.getInput("Value");
+
+function getCurrentDate(format: string): string {
+    const date = new Date();
+    const options: Intl.DateTimeFormatOptions = {
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit',
+        hour: '2-digit',
+        minute: '2-digit',
+        second: '2-digit',
+        hour12: false
+    };
+    return new Intl.DateTimeFormat('default', options).format(date).replace(/\//g, '-').replace(/, /g, ' ').replace(/:/g, '-');
+}
+
+function getValue() {
+    const from = tl.getInput("From") || "value";
+    switch (from) {
+        case "value":
+            return tl.getInput("Value");
+        case "env":
+            return process.env[tl.getInput("Env", true)];
+        case "currentDate":
+            return getCurrentDate(tl.getInput("DateFormat", true));
+        default:
+            return "";
+    }
+}
+
+const value = getValue();
 const isSecret = tl.getBoolInput("isSecret") || false;
 const useTaskLib = tl.getBoolInput("useTasklib") || false;
 const useSetVariableForReleaseName = tl.getBoolInput("useSetVariableForReleaseName") || false;

vsts-variable-set/v3/task.json

@@ -59,7 +59,8 @@
       "type": "pickList",
       "options": {
         "value": "value",
-        "env": "env"
+        "env": "env",
+        "currentDate": "currentDate"
       }      
     },
     {
@@ -82,6 +83,15 @@
       "aliases": ["Env", "Environment"],
       "visibleRule": "From=env"
     },
+    {
+      "defaultValue": "yyyy-MM-dd",
+      "helpMarkdown": "The date format to use when setting the variable to the current date.",
+      "label": "Date Format",
+      "name": "DateFormat",
+      "required": true,
+      "type": "string",
+      "visibleRule": "From=currentDate"
+    },
     {
       "defaultValue": false,
       "helpMarkdown": "Save variable as a secret.",

vsts-variable-set/v3/vsts-variable-set.ts

@@ -2,6 +2,20 @@
 
 const variable = tl.getInput("VariableName", true);
 
+function getCurrentDate(format: string): string {
+    const date = new Date();
+    const options: Intl.DateTimeFormatOptions = {
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit',
+        hour: '2-digit',
+        minute: '2-digit',
+        second: '2-digit',
+        hour12: false
+    };
+    return new Intl.DateTimeFormat('default', options).format(date).replace(/\//g, '-').replace(/, /g, ' ').replace(/:/g, '-');
+}
+
 function getValue()
 {
     const from = tl.getInput("From") || "value";
@@ -15,6 +29,10 @@ function getValue()
         {
             return process.env[tl.getInput("Env", true)];
         }
+        case "currentDate":
+        {
+            return getCurrentDate(tl.getInput("DateFormat", true));
+        }
         default:
         {
             return "";