Add support for Git Credential Manager Core as a credential helper option

.gitignore

@@ -28,6 +28,12 @@ edit-git-bash.exe
 /mingw-w64-git-credential-manager/*.src.tar.gz
 /mingw-w64-git-credential-manager/gcmw-*.zip
 /mingw-w64-git-credential-manager/v[1-9]*.zip
+/mingw-w64-git-credential-manager-core/pkg/
+/mingw-w64-git-credential-manager-core/src/
+/mingw-w64-git-credential-manager-core/*.pkg.tar.*
+/mingw-w64-git-credential-manager-core/*.src.tar.gz
+/mingw-w64-git-credential-manager-core/gcmcore-*.zip
+/mingw-w64-git-credential-manager-core/v[1-9]*.zip
 /mingw-w64-wintoast/mingw-w64-*-wintoast-*-any.pkg.tar.xz
 /mingw-w64-wintoast/pkg
 /mingw-w64-wintoast/src

get-sources.sh

@@ -211,7 +211,7 @@ do
 	then
 
 		case "$name" in
-		git-extra|mingw-w64-x86_64-git|mingw-w64-i686-git|msys2-runtime|mingw-w64-x86_64-git-credential-manager|mingw-w64-i686-git-credential-manager|mingw-w64-i686-git-lfs|mingw-w64-x86_64-git-lfs|curl|mingw-w64-i686-curl|mingw-w64-x86_64-curl|mingw-w64-i686-wintoast|mingw-w64-x86_64-wintoast|bash|heimdal|perl|openssh)
+		git-extra|mingw-w64-x86_64-git|mingw-w64-i686-git|msys2-runtime|mingw-w64-x86_64-git-credential-manager|mingw-w64-i686-git-credential-manager|mingw-w64-x86_64-git-credential-manager-core|mingw-w64-i686-git-credential-manager-core|mingw-w64-i686-git-lfs|mingw-w64-x86_64-git-lfs|curl|mingw-w64-i686-curl|mingw-w64-x86_64-curl|mingw-w64-i686-wintoast|mingw-w64-x86_64-wintoast|bash|heimdal|perl|openssh)
 			url="$azure_blobs_source_url/$filename"
 			sf1_url=
 			sf2_url=

git-extra/git-sdk.sh

@@ -98,6 +98,7 @@ sdk () {
 			mingw-w64-cv2pdb \
 			mingw-w64-git \
 			mingw-w64-git-credential-manager \
+			mingw-w64-git-credential-manager-core \
 			mingw-w64-git-lfs \
 			mingw-w64-git-sizer \
 			mingw-w64-wintoast \

installer/install.iss

@@ -352,10 +352,14 @@ const
     GP_GitPullRebase  = 2;
     GP_GitPullFFOnly  = 3;
 
+    // Git Credential Manager settings.
+    GCM_None          = 1;
+    GCM_Classic       = 2;
+    GCM_Core          = 3;
+
     // Extra options
     GP_FSCache        = 1;
-    GP_GCM            = 2;
-    GP_Symlinks       = 3;
+    GP_Symlinks       = 2;
 
 #ifdef WITH_EXPERIMENTAL_BUILTIN_DIFFTOOL
 #define HAVE_EXPERIMENTAL_OPTIONS 1
@@ -447,6 +451,10 @@ var
     GitPullBehaviorPage:TWizardPage;
     RdbGitPullBehavior:array[GP_GitPullMerge..GP_GitPullFFOnly] of TRadioButton;
 
+    // Wizard page and variables for the credential manager options.
+    GitCredentialManagerPage:TWizardPage;
+    RdbGitCredentialManager:array[GCM_None..GCM_Core] of TRadioButton;
+
     // Wizard page and variables for the extra options.
     ExtraOptionsPage:TWizardPage;
     RdbExtraOptions:array[GP_FSCache..GP_Symlinks] of TCheckBox;
@@ -796,6 +804,7 @@ begin
                     'credential.helper':
                         case Value of
                             'manager': RecordInferredDefault('Use Credential Manager','Enabled');
+                            'manager-core': RecordInferredDefault('Use Credential Manager','Core');
                         else RecordInferredDefault('Use Credential Manager','Disabled');
                         end;
                     'core.symlinks':
@@ -1127,13 +1136,6 @@ begin
   ShellExec('','https://stackoverflow.blog/2017/05/23/stack-overflow-helping-one-million-developers-exit-vim/','','',SW_SHOW,ewNoWait,ExitStatus);
 end;
 
-procedure OpenGCMHomepage(Sender:TObject);
-var
-  ExitStatus:Integer;
-begin
-  ShellExec('','https://github.com/Microsoft/Git-Credential-Manager-for-Windows','','',SW_SHOW,ewNoWait,ExitStatus);
-end;
-
 procedure OpenSymlinksWikiPage(Sender:TObject);
 var
   ExitStatus:Integer;
@@ -2060,30 +2062,50 @@ begin
     end;
 
     (*
-     * Create a custom page for extra options.
+     * Create a custom page for the choice of Git Credential Manager.
      *)
 
-    ExtraOptionsPage:=CreatePage(PrevPageID,'Configuring extra options','Which features would you like to enable?',TabOrder,Top,Left);
+    GitCredentialManagerPage:=CreatePage(PrevPageID,'Choose a credential helper','Which credential helper should be configured?',TabOrder,Top,Left);
 
-    // 1st option
-    RdbExtraOptions[GP_FSCache]:=CreateCheckBox(ExtraOptionsPage,'Enable file system caching','File system data will be read in bulk and cached in memory for certain'+#13+'operations ("core.fscache" is set to "true"). This provides a significant'+#13+'performance boost.',TabOrder,Top,Left);
+    // 1st choice
+    RdbGitCredentialManager[GCM_None]:=CreateRadioButton(GitCredentialManagerPage,'None','Do not use a credential helper.',TabOrder,Top,Left);
 
-    // Restore the settings chosen during a previous install.
-    RdbExtraOptions[GP_FSCache].Checked:=ReplayChoice('Performance Tweaks FSCache','Enabled')<>'Disabled';
+    // 2nd choice
+    RdbGitCredentialManager[GCM_Classic]:=CreateRadioButton(GitCredentialManagerPage,'Git Credential Manager','The <A HREF=https://github.com/Microsoft/Git-Credential-Manager-for-Windows>Git Credential Manager for Windows</A> handles credentials e.g. for Azure'+#13+'DevOps and GitHub (requires .NET framework v4.5.1 or later).',TabOrder,Top,Left);
 
-    // 2nd option
-    RdbExtraOptions[GP_GCM]:=CreateCheckBox(ExtraOptionsPage,'Enable Git Credential Manager','The <A HREF=https://github.com/Microsoft/Git-Credential-Manager-for-Windows>Git Credential Manager for Windows</A> provides secure Git credential storage'+#13+'for Windows, most notably multi-factor authentication support for Visual Studio'+#13+'Team Services and GitHub. (requires .NET framework v4.5.1 or later).',TabOrder,Top,Left);
+    // 3rd choice
+    RdbGitCredentialManager[GCM_Core]:=CreateRadioButton(GitCredentialManagerPage,'Git Credential Manager Core','<RED>(NEW!)</RED> Use the new, <A HREF=https://github.com/microsoft/Git-Credential-Manager-Core>cross-platform version of the Git Credential Manager</A>.'+#13+'See more information about the future of Git Credential Manager <A HREF=https://github.com/microsoft/Git-Credential-Manager-Core/blob/master/docs/faq.md#about-the-project>here</A>.',TabOrder,Top,Left);
 
     // Restore the settings chosen during a previous install, if .NET 4.5.1
     // or later is available.
     if DetectNetFxVersion()<378675 then begin
-        RdbExtraOptions[GP_GCM].Checked:=False;
-        RdbExtraOptions[GP_GCM].Enabled:=False;
+        RdbGitCredentialManager[GCM_Classic].Checked:=False;
+        RdbGitCredentialManager[GCM_Classic].Enabled:=False;
+        RdbGitCredentialManager[GCM_Core].Checked:=False;
+        RdbGitCredentialManager[GCM_Core].Enabled:=False;
     end else begin
-        RdbExtraOptions[GP_GCM].Checked:=ReplayChoice('Use Credential Manager','Enabled')<>'Disabled';
+        case ReplayChoice('Use Credential Manager','Enabled') of
+            'Disabled': RdbGitCredentialManager[GCM_None].Checked:=True;
+            'Enabled': RdbGitCredentialManager[GCM_Classic].Checked:=True;
+            'Core': RdbGitCredentialManager[GCM_Core].Checked:=True;
+        else
+            RdbGitCredentialManager[GCM_Classic].Checked:=True;
+        end;
     end;
 
-    // 3rd option
+    (*
+     * Create a custom page for extra options.
+     *)
+
+    ExtraOptionsPage:=CreatePage(PrevPageID,'Configuring extra options','Which features would you like to enable?',TabOrder,Top,Left);
+
+    // 1st option
+    RdbExtraOptions[GP_FSCache]:=CreateCheckBox(ExtraOptionsPage,'Enable file system caching','File system data will be read in bulk and cached in memory for certain'+#13+'operations ("core.fscache" is set to "true"). This provides a significant'+#13+'performance boost.',TabOrder,Top,Left);
+
+    // Restore the settings chosen during a previous install.
+    RdbExtraOptions[GP_FSCache].Checked:=ReplayChoice('Performance Tweaks FSCache','Enabled')<>'Disabled';
+
+    // 2nd option
     RdbExtraOptions[GP_Symlinks]:=CreateCheckBox(ExtraOptionsPage,'Enable symbolic links','Enable <A HREF=https://github.com/git-for-windows/git/wiki/Symbolic-Links>symbolic links</A> (requires the SeCreateSymbolicLink permission).'+#13+'Please note that existing repositories are unaffected by this setting.',TabOrder,Top,Left);
 
     // Restore the settings chosen during a previous install, or auto-detect
@@ -2788,16 +2810,28 @@ begin
         GitSystemConfigSet('pull.ff','only')
     end;
 
+    {
+        Configure credential helper
+    }
+
+    if RdbGitCredentialManager[GCM_None].checked then begin
+        GitSystemConfigSet('credential.helper',#0);
+        GitSystemConfigSet('credential.https://dev.azure.com.useHttpPath',#0);
+    end else if RdbGitCredentialManager[GCM_Classic].checked then begin
+        GitSystemConfigSet('credential.helper','manager');
+        GitSystemConfigSet('credential.https://dev.azure.com.useHttpPath',#0);
+    end else if RdbGitCredentialManager[GCM_Core].checked then begin
+        GitSystemConfigSet('credential.helper','manager-core');
+        GitSystemConfigSet('credential.https://dev.azure.com.useHttpPath','true');
+    end;
+
     {
         Configure extra options
     }
 
     if RdbExtraOptions[GP_FSCache].checked then
         GitSystemConfigSet('core.fscache','true');
 
-    if RdbExtraOptions[GP_GCM].checked then
-        GitSystemConfigSet('credential.helper','manager');
-
     if RdbExtraOptions[GP_Symlinks].checked then
         Cmd:='true'
     else
@@ -3144,17 +3178,21 @@ begin
     end;
     RecordChoice(PreviousDataKey,'Git Pull Behavior Option',Data);
 
-    // Extra options.
+    // Credential helper.
     Data:='Disabled';
-    if RdbExtraOptions[GP_FSCache].Checked then begin
+    if RdbGitCredentialManager[GCM_Classic].Checked then begin
         Data:='Enabled';
+    end else if RdbGitCredentialManager[GCM_Core].Checked then begin;
+        Data:='Core';
     end;
-    RecordChoice(PreviousDataKey,'Performance Tweaks FSCache',Data);
+    RecordChoice(PreviousDataKey,'Use Credential Manager',Data);
+
+    // Extra options.
     Data:='Disabled';
-    if RdbExtraOptions[GP_GCM].Checked then begin
+    if RdbExtraOptions[GP_FSCache].Checked then begin
         Data:='Enabled';
     end;
-    RecordChoice(PreviousDataKey,'Use Credential Manager',Data);
+    RecordChoice(PreviousDataKey,'Performance Tweaks FSCache',Data);
     Data:='Disabled';
     if RdbExtraOptions[GP_Symlinks].Checked then begin
         Data:='Enabled';

make-file-list.sh

@@ -82,7 +82,7 @@ pacman_list () {
 
 # Packages that have been added after Git SDK 1.0.0 was released...
 required=
-for req in mingw-w64-$ARCH-git-credential-manager $SH_FOR_REBASE \
+for req in mingw-w64-$ARCH-git-credential-manager mingw-w64-$ARCH-git-credential-manager-core $SH_FOR_REBASE \
 	$(test -n "$MINIMAL_GIT" || echo \
 		mingw-w64-$ARCH-connect git-flow unzip docx2txt \
 		mingw-w64-$ARCH-antiword mingw-w64-$ARCH-odt2txt \
@@ -97,7 +97,7 @@ test -z "$required" ||
 pacman -Sy --noconfirm $required >&2 ||
 die "Could not install required packages: $required"
 
-packages="mingw-w64-$ARCH-git mingw-w64-$ARCH-git-credential-manager
+packages="mingw-w64-$ARCH-git mingw-w64-$ARCH-git-credential-manager mingw-w64-$ARCH-git-credential-manager-core
 git-extra openssh $UTIL_PACKAGES"
 if test -z "$MINIMAL_GIT"
 then

mingw-w64-git-credential-manager-core/PKGBUILD

@@ -0,0 +1,29 @@
+# Maintainer: Johannes Schindelin/Matthew J Cheetham
+
+_realname="git-credential-manager-core"
+pkgbase="mingw-w64-${_realname}"
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
+pkgver=2.0.164.25618
+pkgrel=0
+_realver=$pkgver
+_realtag=v${pkgver%.*}-beta
+pkgdesc="Credential Manager for Git"
+arch=('any')
+project_url="https://github.com/microsoft/Git-Credential-Manager-Core"
+zip_url="${project_url}/releases/download/${_realtag}/gcmcore-win-x86-${_realver}.zip"
+src_zip_url="${project_url}/archive/${_realtag}.zip"
+license=('MIT')
+groups=('VCS')
+
+source=("${zip_url}" "$src_zip_url")
+
+sha256sums=('a9d424bb56e5571a9a80e195376aa7c7fcf5f890fe1029f45eb81be04eb9d264'
+            '7b07bf3317ae4e47446a93febe2b6fcde6f409bd3ab3b78358b6dfcc13ab5592')
+
+package() {
+  prefix="$pkgdir/${MINGW_PREFIX}"
+  srcdir2="${srcdir}/"
+  install -d -m755 "${prefix}"/libexec/git-core
+  install -m755 "$srcdir2"/*.{dll,exe} "${prefix}"/libexec/git-core
+  install -d -m755 "${prefix}"/doc/git-credential-manager-core
+}

please.sh

@@ -423,6 +423,15 @@ set_package () {
 		type=MINGW
 		pkgpath=/usr/src/build-extra/mingw-w64-git-credential-manager
 		;;
+	mingw-w64-git-credential-manager-core)
+		type=MINGW
+		pkgpath=/usr/src/build-extra/mingw-w64-git-credential-manager-core
+		;;
+	gcm|credential-manager-core|git-credential-manager-core)
+		package=mingw-w64-git-credential-manager-core
+		type=MINGW
+		pkgpath=/usr/src/build-extra/mingw-w64-git-credential-manager-core
+		;;
 	lfs|git-lfs|mingw-w64-git-lfs)
 		package=mingw-w64-git-lfs
 		type=MINGW
@@ -2927,6 +2936,41 @@ upgrade () { # [--directory=<artifacts-directory>] [--only-mingw] [--no-build] [
 		url=https://github.com/$repo/releases/tag/$tag_name &&
 		release_notes_feature='Comes with [Git Credential Manager v'$version']('"$url"').'
 		;;
+	mingw-w64-git-credential-manager-core)
+		repo=microsoft/Git-Credential-Manager-Core
+		url=https://api.github.com/repos/$repo/releases/latest
+		release="$(curl --netrc -s $url)"
+		test -n "$release" ||
+		die "Could not determine the latest version of %s\n" "$package"
+		tag_name="$(echo "$release" |
+			sed -n 's/^  "tag_name": "\(.*\)",\?$/\1/p')"
+		zip_name="$(echo "$release" | sed -n \
+			's/.*"browser_download_url":.*\/\(gcm.*\.zip\).*/\1/p')"
+		version=${tag_name#v}
+		zip_prefix=${zip_name%$version.zip}
+		if test "$zip_prefix" = "$zip_name"
+		then
+			# The version in the tag and the zip file name differ
+			zip_replace='s/^\(zip_url=.*\/\)gcm[^"]*/\1'$zip_name/
+		else
+			zip_replace='s/^\(zip_url=.*\/\)gcm[^"]*/\1'$zip_prefix'${_realver}.zip/'
+		fi
+		src_zip_prefix=${tag_name%$version}
+		(cd "$sdk64$pkgpath" &&
+		 sed -i -e "s/^\\(pkgver=\\).*/\1$version/" -e "$zip_replace" \
+		 -e 's/^\(src_zip_url=.*\/\).*\(\$.*\)/\1'$src_zip_prefix'\2/' \
+		 -e 's/^pkgrel=.*/pkgrel=1/' PKGBUILD &&
+		 updpkgsums &&
+		 srcdir2="$(unzip -l $zip_prefix$version.zip | sed -n \
+		   's/^.\{28\} *\(.*\/\)\?git-credential-manager-core.exe/\1/p')" &&
+		 sed -i -e 's/^\(  srcdir2=\).*/\1"${srcdir}\/'$srcdir2'"/' \
+			PKGBUILD &&
+		 maybe_force_pkgrel "$force_pkgrel" &&
+		 git commit -s -m "Upgrade $package to $version${force_pkgrel:+-$force_pkgrel}" PKGBUILD &&
+		 create_bundle_artifact) &&
+		url=https://github.com/$repo/releases/tag/$tag_name &&
+		release_notes_feature='Comes with [Git Credential Manager Core v'$version']('"$url"').'
+		;;
 	git-extra)
 		(cd "$sdk64$pkgpath" &&
 		 updpkgsums &&