1 files changed, 53 insertions, 0 deletions
diff --git a/util/meson_aux/skeletonmm-tarball.py b/util/meson_aux/skeletonmm-tarball.py
new file mode 100755
index 0000000..576b522
--- /dev/null
+++ b/util/meson_aux/skeletonmm-tarball.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+# External command, intended to be called with run_command() or custom_target()
+# in meson.build
+
+#                              argv[1]           argv[2]       argv[3:]
+# skeletonmm-tarball.py <output_file_or_check> <source_dir> <input_files...>
+
+import os
+import sys
+import shutil
+import tarfile
+
+if sys.argv[1] == 'check':
+  # Called from run_command() during setup or configuration.
+  # Check which archive format can be used.
+  # In order from most wanted to least wanted: .tar.xz, .tar.gz, .tar
+  available_archive_formats = []
+  for af in shutil.get_archive_formats():
+    # Keep the formats in a list, skip the descriptions.
+    available_archive_formats += [af[0]]
+  if 'xztar' in available_archive_formats:
+    suffix = '.tar.xz'
+  elif 'gztar' in available_archive_formats:
+    suffix = '.tar.gz'
+  else: # Uncompressed tar format is always available.
+    suffix = '.tar'
+  print(suffix, end='') # stdout can be read in the meson.build file.
+  sys.exit(0)
+
+# Create an archive.
+output_file = sys.argv[1]
+source_dir = sys.argv[2]
+
+if output_file.endswith('.xz'):
+  mode = 'w:xz'
+elif output_file.endswith('.gz'):
+  mode = 'w:gz'
+else:
+  mode = 'w'
+
+tar_file = tarfile.open(output_file, mode=mode)
+os.chdir(source_dir) # Input filenames are relative to source_dir.
+for file in sys.argv[3:]:
+  tar_file.add(file)
+tar_file.close()
+# Errors raise exceptions. If an exception is raised, Meson+ninja will notice
+# that the command failed, despite exit(0).
+sys.exit(0)
+
+# shutil.make_archive() might be an alternative, but it only archives
+# whole directories. It's not useful, if you want to have full control
+# of which files are archived.