Use sphinx builder to generate man page

.packit.yaml

@@ -12,6 +12,7 @@ issue_repository: https://github.com/teemtee/tmt
 srpm_build_deps:
   - hatch
   - python3-hatch-vcs
+  - make
 
 jobs:
 

docs/conf.py

@@ -297,10 +297,11 @@ def _load_theme(
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_man, '', 'tmt Documentation',
+    ('man', 'tmt', 'tmt Documentation',
      [author], 1)
     ]
 
+
 # If true, show URL addresses after external links.
 # man_show_urls = False
 

pyproject.toml

@@ -178,12 +178,10 @@ dependencies = ["tmt[docs]"]
 # files below, but it may be providing additional metadata for RTD to index.
 html = "sphinx-build -b html {root}/docs {root}/docs/_build {args}"
 man = [
-    "cp {root}/docs/header.txt {root}/man.rst",
-    "tail -n+8 docs/overview.rst >> {root}/man.rst",
-    # TODO rst2man cannot process this directive, removed for now
-    "sed '/versionadded::/d' -i {root}/man.rst",
-    "rst2man.py {root}/man.rst > {root}/tmt.1",
-    "rm -f {root}/man.rst",
+    "(cat {root}/docs/header.txt; echo; tail -n+8 {root}/docs/overview.rst) > {root}/docs/man.rst",
+    "sed '/versionadded::/d' -i {root}/docs/man.rst",
+    "sphinx-build -b man {root}/docs/ {root}",
+    "rm -f {root}/docs/man.rst",
     ]
 
 [dirs.env]