repart: add new systemd-repart tool

Fixes: systemd#14052

meson.build

@@ -874,6 +874,17 @@ endif
 libmount = dependency('mount',
                       version : fuzzer_build ? '>= 0' : '>= 2.30')
 
+want_libfdisk = get_option('fdisk')
+if want_libfdisk != 'false' and not skip_deps
+        libfdisk = dependency('fdisk',
+                              required : want_libfdisk == 'true')
+        have = libfdisk.found()
+else
+        have = false
+        libfdisk = []
+endif
+conf.set10('HAVE_LIBFDISK', have)
+
 want_seccomp = get_option('seccomp')
 if want_seccomp != 'false' and not skip_deps
         libseccomp = dependency('libseccomp',
@@ -1280,6 +1291,18 @@ conf.set('DEFAULT_DNS_OVER_TLS_MODE',
          'DNS_OVER_TLS_' + default_dns_over_tls.underscorify().to_upper())
 substs.set('DEFAULT_DNS_OVER_TLS_MODE', default_dns_over_tls)
 
+want_repart = get_option('repart')
+if want_repart != 'false'
+        have = (conf.get('HAVE_OPENSSL') == 1 and
+                conf.get('HAVE_LIBFDISK') == 1)
+        if want_repart == 'true' and not have
+                error('repart support was requested, but dependencies are not available')
+        endif
+else
+        have = false
+endif
+conf.set10('ENABLE_REPART', have)
+
 want_importd = get_option('importd')
 if want_importd != 'false'
         have = (conf.get('HAVE_LIBCURL') == 1 and
@@ -1315,6 +1338,7 @@ foreach term : ['utmp',
                 'hibernate',
                 'environment-d',
                 'binfmt',
+                'repart',
                 'coredump',
                 'pstore',
                 'resolve',
@@ -1536,6 +1560,7 @@ subdir('src/coredump')
 subdir('src/pstore')
 subdir('src/hostname')
 subdir('src/import')
+subdir('src/partition')
 subdir('src/kernel-install')
 subdir('src/locale')
 subdir('src/machine')
@@ -2382,6 +2407,21 @@ if conf.get('ENABLE_BINFMT') == 1
                                  mkdir_p.format(join_paths(sysconfdir, 'binfmt.d')))
 endif
 
+if conf.get('ENABLE_REPART') == 1
+        executable('systemd-repart',
+                   systemd_repart_sources,
+                   include_directories : includes,
+                   link_with : [libshared],
+                   dependencies : [threads,
+                                   libcryptsetup,
+                                   libblkid,
+                                   libfdisk,
+                                   libopenssl],
+                   install_rpath : rootlibexecdir,
+                   install : true,
+                   install_dir : rootbindir)
+endif
+
 if conf.get('ENABLE_VCONSOLE') == 1
         executable('systemd-vconsole-setup',
                    'src/vconsole/vconsole-setup.c',
@@ -3277,6 +3317,7 @@ foreach tuple : [
         ['libiptc'],
         ['elfutils'],
         ['binfmt'],
+        ['repart'],
         ['vconsole'],
         ['quotacheck'],
         ['tmpfiles'],

meson_options.txt

@@ -80,6 +80,8 @@ option('environment-d', type : 'boolean',
        description : 'support for environment.d')
 option('binfmt', type : 'boolean',
        description : 'support for custom binary formats')
+option('repart', type : 'combo', choices : ['auto', 'true', 'false'],
+       description : 'install the systemd-repart tool')
 option('coredump', type : 'boolean',
        description : 'install the coredump handler')
 option('pstore', type : 'boolean',
@@ -260,6 +262,8 @@ option('audit', type : 'combo', choices : ['auto', 'true', 'false'],
        description : 'libaudit support')
 option('blkid', type : 'combo', choices : ['auto', 'true', 'false'],
        description : 'libblkid support')
+option('fdisk', type : 'combo', choices : ['auto', 'true', 'false'],
+       description : 'libfdisk support')
 option('kmod', type : 'combo', choices : ['auto', 'true', 'false'],
        description : 'support for loadable modules')
 option('pam', type : 'combo', choices : ['auto', 'true', 'false'],

src/partition/meson.build

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1+
+
+systemd_repart_sources = files('''
+        repart.c
+'''.split())