meson: wire up git-contacts(1)

Wire up the build for git-contacts(1) in Meson.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/contacts/meson.build

@@ -0,0 +1,55 @@
+custom_target(
+  input: 'git-contacts',
+  output: 'git-contacts',
+  command: generate_perl_command,
+  depends: [git_version_file],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+if get_option('docs').contains('man')
+  contacts_xml = custom_target(
+    command: asciidoc_common_options + [
+      '--backend=' + asciidoc_docbook,
+      '--doctype=manpage',
+      '--out-file=@OUTPUT@',
+      '@INPUT@',
+    ],
+    depends: documentation_deps,
+    input: 'git-contacts.txt',
+    output: 'git-contacts.xml',
+  )
+
+  custom_target(
+    command: [
+      xmlto,
+      '-m', '@INPUT@',
+      'man',
+      contacts_xml,
+      '-o',
+      meson.current_build_dir(),
+    ] + xmlto_extra,
+    input: [
+      '../../Documentation/manpage-normal.xsl',
+    ],
+    output: 'git-contacts.1',
+    install: true,
+    install_dir: get_option('mandir') / 'man1',
+  )
+endif
+
+if get_option('docs').contains('html')
+  custom_target(
+    command: asciidoc_common_options + [
+      '--backend=' + asciidoc_html,
+      '--doctype=manpage',
+      '--out-file=@OUTPUT@',
+      '@INPUT@',
+    ],
+    depends: documentation_deps,
+    input: 'git-contacts.txt',
+    output: 'git-contacts.html',
+    install: true,
+    install_dir: get_option('datadir') / 'doc/git-doc',
+  )
+endif

meson_options.txt

@@ -27,7 +27,7 @@ option('version', type: 'string', value: '',
   description: 'Version string reported by git-version(1) and other tools.')
 
 # Features supported by Git.
-option('contrib', type: 'array', value: [ 'completion' ], choices: [ 'completion', 'subtree' ],
+option('contrib', type: 'array', value: [ 'completion' ], choices: [ 'completion', 'contacts', 'subtree' ],
   description: 'Contributed features to include.')
 option('credential_helpers', type: 'array', value: [ ], choices: [ 'libsecret', 'netrc', 'osxkeychain', 'wincred' ],
   description: 'Contributed features to include.')