Bundle a fuller installation of Perl/ExifTool

wperl is necessary to get rid of the console window,
which is merely one of several issues with the PAR Packer-based
ExifTool bundle used in the last commit.

The Perl installation could be heavily trimmed down,
but it seems to require a very manual process.

README.adoc

@@ -61,7 +61,7 @@ Windows
 'fiv' can be cross-compiled for Windows, provided that you install a bunch of
 dependencies listed at the beginning of 'msys2-cross-configure.sh',
 plus rsvg-convert from librsvg2, and icotool from icoutils.
-Beware that the build will take up close to a gigabyte of disk space.
+Beware that the build will take up about a gigabyte of disk space.
 
  $ sh -e msys2-cross-configure.sh builddir
  $ meson install -C builddir

fiv-context-menu.c

@@ -188,9 +188,12 @@ info_spawn(GtkWidget *dialog, const char *path, GBytes *bytes_in)
 	// TODO(p): Add a fallback to internal capabilities.
 	// The simplest is to specify the filename and the resolution.
 	GError *error = NULL;
-	GSubprocess *subprocess = g_subprocess_new(flags, &error, "exiftool",
-		"-tab", "-groupNames", "-duplicates", "-extractEmbedded", "--binary",
-		"-quiet", "--", path, NULL);
+	GSubprocess *subprocess = g_subprocess_new(flags, &error,
+#ifdef G_OS_WIN32
+		"wperl",
+#endif
+		"exiftool", "-tab", "-groupNames", "-duplicates", "-extractEmbedded",
+		"--binary", "-quiet", "--", path, NULL);
 	if (error) {
 		info_redirect_error(dialog, error);
 		return;

msys2-cross-configure.sh

@@ -34,10 +34,11 @@ fetch() {
 		[ -f "packages/$name" ] || curl -#o "packages/$name" "$repository/$name"
 	done
 
-	name=exiftool-$(curl -# https://exiftool.org/ver.txt).zip
-	status Fetching "$name"
-	[ -f "$name" ] || curl -#o "$name" "https://exiftool.org/$name"
-	ln -sf "$name" exiftool.zip
+	version=$(curl -# https://exiftool.org/ver.txt)
+	name=exiftool-$version.tar.gz remotename=Image-ExifTool-$version.tar.gz
+	status Fetching "$remotename"
+	[ -f "$name" ] || curl -#o "$name" "https://exiftool.org/$remotename"
+	ln -sf "$name" exiftool.tar.gz
 }
 
 verify() {
@@ -54,7 +55,10 @@ extract() {
 	do bsdtar -xf "$i" --strip-components 1 mingw64
 	done
 
-	bsdtar -xOf exiftool.zip > bin/exiftool.exe
+	bsdtar -xf exiftool.tar.gz
+	mv Image-ExifTool-*/exiftool bin
+	mv Image-ExifTool-*/lib/* lib/perl5/site_perl
+	rm -rf Image-ExifTool-*
 }
 
 configure() {
@@ -111,6 +115,7 @@ cd "$msys2_root"
 dbsync
 fetch mingw-w64-x86_64-gtk3 mingw-w64-x86_64-lcms2 \
 	mingw-w64-x86_64-libraw mingw-w64-x86_64-libheif \
+	mingw-w64-x86_64-perl mingw-w64-x86_64-perl-win32-api \
 	mingw-w64-x86_64-libwinpthread-git # Because we don't do "provides"?
 verify
 extract

msys2-cross-install.sh

@@ -3,15 +3,17 @@ export LC_ALL=C
 cd "$MESON_INSTALL_DESTDIR_PREFIX"
 msys2_root=$1
 
-# Copy libraries we depend on, and a few files required by GLib/GTK+.
-cp -p "$msys2_root"/bin/exiftool.exe .
+# Copy binaries we directly or indirectly depend on.
 cp -p "$msys2_root"/bin/*.dll .
+cp -p "$msys2_root"/bin/wperl.exe .
+cp -p "$msys2_root"/bin/exiftool .
 # The console helper is only useful for debug builds.
 cp -p "$msys2_root"/bin/gspawn-*-helper*.exe .
 cp -pR "$msys2_root"/etc/ .
 
 mkdir -p lib
 cp -pR "$msys2_root"/lib/gdk-pixbuf-2.0/ lib
+cp -pR "$msys2_root"/lib/perl5/ lib
 mkdir -p share/glib-2.0/schemas
 cp -pR "$msys2_root"/share/glib-2.0/schemas/*.Settings.* share/glib-2.0/schemas
 mkdir -p share
@@ -36,8 +38,7 @@ awk 'function whitelist(binary) {
 		orphans[$0]++
 	while (("find . -type f -path \"./*.[Ee][Xx][Ee]\"" | getline) > 0)
 		whitelist($0)
-	while (("find ./lib/gdk-pixbuf-2.0 -type f " \
-		"-path \"./*.[Dd][Ll][Ll]\"" | getline) > 0)
+	while (("find ./lib -type f -path \"./*.[Dd][Ll][Ll]\"" | getline) > 0)
 		whitelist($0)
 	for (library in orphans)
 		print library