installer: switch to using edit-git-bash.exe

... instead of edit-git-bash.dll.

Previously, we required the .dll and let InnoSetup open it directly.
This required the .dll to be 32-bit because InnoSetup is 32-bit.

Cross-compiling was a hassle, though, and it would probably eventually
be a good idea anyway to ship mingw-w64-git with the utility that lets
you edit the command-line to launch for git-bash.exe.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

.gitignore

@@ -1,5 +1,4 @@
 *.swp
-edit-git-bash.dll
 edit-git-bash.exe
 /cached-source-packages/
 /download-stats.ids

Makefile

@@ -1,13 +1,6 @@
 CFLAGS=-O2 -Wall
-DLLINKFLAGS=-Wl,--kill-at -static-libgcc -shared
 
-all: edit-git-bash.dll
-
-# InnoSetup always uses the DLL target, and it must always be 32-bit
-# because InnoSetup is only 32-bit aware.
-edit-git-bash.dll: edit-git-bash.c
-	PATH=/mingw32/bin:$$PATH \
-	i686-w64-mingw32-gcc -march=i686 $(CFLAGS) $(DLLINKFLAGS) -o $@ $^
+all: edit-git-bash.exe
 
 edit-git-bash.exe: edit-git-bash.c
-	gcc -DSTANDALONE_EXE $(CFLAGS) -o $@ $^
+	gcc -DSTANDALONE_EXE $(CFLAGS) -o $@ $^

installer/install.iss

@@ -105,7 +105,7 @@ Filename: {app}\ReleaseNotes.html; Description: View Release Notes; Flags: shell
 Source: {#SourcePath}\ReleaseNotes.html; DestDir: {app}; Flags: replacesameversion; AfterInstall: DeleteFromVirtualStore
 Source: {#SourcePath}\..\LICENSE.txt; DestDir: {app}; Flags: replacesameversion; AfterInstall: DeleteFromVirtualStore
 Source: {#SourcePath}\NOTICE.txt; DestDir: {app}; Flags: replacesameversion; AfterInstall: DeleteFromVirtualStore; Check: ParamIsSet('VSNOTICE')
-Source: {#SourcePath}\..\edit-git-bash.dll; Flags: dontcopy
+Source: {#SourcePath}\..\edit-git-bash.exe; Flags: dontcopy
 
 [Dirs]
 Name: "{app}\tmp"
@@ -257,14 +257,16 @@ external 'CreateHardLinkW@Kernel32.dll stdcall delayload setuponly';
 external 'CreateHardLinkA@Kernel32.dll stdcall delayload setuponly';
 #endif
 
-function EditGitBash(ExePath:WideString;Resource:WideString):Integer;
-external 'edit_git_bash@files:edit-git-bash.dll stdcall delayload setuponly';
-
 function OverrideGitBashCommandLine(GitBashPath:String;CommandLine:String):Integer;
 var
     Msg:String;
 begin
-    Result:=EditGitBash(GitBashPath,CommandLine);
+    if not FileExists(ExpandConstant('{tmp}\edit-git-bash.exe')) then
+        ExtractTemporaryFile('edit-git-bash.exe');
+    StringChangeEx(GitBashPath,'"','\"',True);
+    StringChangeEx(CommandLine,'"','\"',True);
+    CommandLine:='"'+GitBashPath+'" "'+CommandLine+'"';
+    Exec(ExpandConstant('{tmp}\edit-git-bash.exe'),CommandLine,'',SW_HIDE,ewWaitUntilTerminated,Result);
     if Result<>0 then begin
         if Result=1 then begin
             Msg:='Unable to edit '+GitBashPath+' (out of memory).';

installer/release.sh

@@ -78,9 +78,9 @@ echo "Generating release notes to be included in the installer ..."
 ../render-release-notes.sh --css usr/share/git/ ||
 die "Could not generate release notes"
 
-echo "Compiling edit-git-bash.dll ..."
-make -C ../ edit-git-bash.dll ||
-die "Could not build edit-git-bash.dll; try: pacman -S mingw-w64-i686-toolchain"
+echo "Compiling edit-git-bash.exe ..."
+make -C ../ edit-git-bash.exe ||
+die "Could not build edit-git-bash.exe"
 
 if test t = "$skip_files"
 then