Add alerts when git is too old

Author: isc-etamarch

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Support for editing repo from filesystem perspective via web application (#464)
 - Support for downloading a VSCode workspace file from web UI
 - IncrementalLoad pull event handler will update the running production, if any (#473)
+- Warnings to users if git version is incompatible (#488)
 
 ### Fixed
 - Instance wide settings are placed in proper global (#444)

cls/SourceControl/Git/API.cls

@@ -17,6 +17,13 @@ ClassMethod Configure()
         }
         set gitExists = ##class(SourceControl.Git.Utils).GitBinExists(.version)
         set gitBinPath = ##class(SourceControl.Git.Utils).GitBinPath(.isDefault)
+
+        // Make sure they are using an appropriate git version
+        if (+$PIECE(version,"version ",2))<2.31 {
+            write !!, "WARNING: You are using an older version of git which is not compatible with git-source-control. Please upgrade to git version 2.31.0 or greater to continue"
+            write !!, "Cancelling git-source-control configuration..."
+            quit
+        }
         if gitExists && isDefault {
             // Note: version starts with "git version"
             write !,version," is available via PATH. You may enter a path to a different version if needed."
@@ -65,4 +72,3 @@ ClassMethod BaselineExport(pCommitMessage = "", pPushToRemote = "") As %Status
 }
 
 }
-

cls/SourceControl/Git/WebUIDriver.cls

@@ -20,6 +20,8 @@ ClassMethod HandleRequest(pagePath As %String, InternalName As %String = "", Out
             set responseJSON = ..GetSettingsURL(%request)
         } elseif $extract(pagePath, 6, *) = "get-package-version"{
             set responseJSON = ..GetPackageVersion()
+        } elseif $extract(pagePath, 6, *) = "git-version" {
+            set responseJSON = ..GetGitVersion()
         } else {
             set %response.Status = ##class(%CSP.REST).#HTTP404NOTFOUND
             set responseJSON = {"error":("invalid URI: " _ pagePath)}
@@ -331,4 +333,11 @@ ClassMethod GetPackageVersion() As %Library.DynamicObject
     quit {"version": (version)}
 }
 
+ClassMethod GetGitVersion() As %Library.DynamicObject
+{
+    set gitExists = ##class(SourceControl.Git.Utils).GitBinExists(.version)
+    set version = +$PIECE(version,"version ",2)
+    quit {"version": (version)}
+}
+
 }

git-webui/src/share/git-webui/webui/js/git-webui.js

@@ -110,6 +110,15 @@ webui.showWarning = function(message) {
         '</div>').appendTo(messageBox);
 }
 
+webui.gitVersion = function() {
+    $.get("api/git-version", function(version) {
+        var ver = JSON.parse(version)["version"];
+        if (ver < 2.31) {
+            alert("Your git version is incompatible with git-source-control. Please upgrade to git 2.31.0 or greater.")
+        }
+    })
+}
+
 webui.git_command = function(command, callback) {
     $.ajax({
         url: "git-command",
@@ -313,6 +322,7 @@ webui.getNodeIndex = function(element) {
 
 webui.TabBox = function(buttons) {
 
+
     var self = this;
 
     self.itemClicked = function(event) {
@@ -2808,6 +2818,7 @@ webui.NewChangedFilesView = function(workspaceView) {
 function MainUi() {
 
     var self = this;
+    webui.gitVersion();
 
     self.switchTo = function(element) {
         webui.detachChildren(self.mainView);