Fix crash when mandoc install

man-db.spec

@@ -2,7 +2,7 @@
 
 Name:            man-db
 Version:         2.11.0
-Release:         2
+Release:         3
 Summary:         Online database for using man pages
 License:         GPLv2+ and GPLv3+
 URL:             http://www.nongnu.org/man-db/
@@ -17,6 +17,10 @@ BuildRequires:   gcc systemd gdbm-devel gettext groff less libpipeline-devel zli
 BuildRequires:   po4a perl-interpreter perl-version make chrpath
 Requires:        coreutils grep groff-base gzip less crontabs
 
+Requires(post): %{_sbindir}/update-alternatives
+Requires(postun): %{_sbindir}/update-alternatives
+Requires(preun): %{_sbindir}/update-alternatives
+
 Provides:        man = %{version} man-pages-reader = %{version} bundled(gnulib) = 20140202
 Obsoletes:       man < 2.0
 Provides:        man-db-cron
@@ -72,11 +76,42 @@ chrpath -d %{buildroot}%{_libdir}/%{name}/libmandb-%{version}.so
 mkdir -p $RPM_BUILD_ROOT/etc/ld.so.conf.d
 echo "/usr/lib64/man-db" > $RPM_BUILD_ROOT/etc/ld.so.conf.d/%{name}-%{_arch}.conf
 
+# rename files for alternative usage
+for f in man apropos whatis; do
+    mv %{buildroot}%{_bindir}/$f %{buildroot}%{_bindir}/$f.%{name}
+    touch %{buildroot}%{_bindir}/$f
+    mv %{buildroot}%{_mandir}/man1/$f.1 %{buildroot}%{_mandir}/man1/$f.%{name}.1
+    touch %{buildroot}%{_mandir}/man1/$f.1
+done
+
 %pre
+for f in man apropos whatis; do
+    [ -L %{_bindir}/$f ] || %{__rm} -f %{_bindir}/$f >/dev/null 2>&1 || :
+    [ -L %{_mandir}/man1/$f.1.gz ] || %{__rm} -f %{_mandir}/man1/$f.1.gz >/dev/null 2>&1 || :
+done
+
+if [ -e /usr/lib/systemd/system/mandb.timer ]; then
+    if test -d /run/systemd; then
+        systemctl stop man-db.timer >/dev/null 2>&1 || :
+        systemctl -q disable man-db.timer >/dev/null 2>&1 || :
+    fi
+fi
 
 %preun
+if [ $1 -eq 0 ]; then
+    %{_sbindir}/update-alternatives --remove man %{_bindir}/man.%{name} >/dev/null 2>&1 || :
+fi
 
 %post
+# set up the alternatives files
+%{_sbindir}/update-alternatives --install %{_bindir}/man man %{_bindir}/man.%{name} 300 \
+    --slave %{_bindir}/apropos apropos %{_bindir}/apropos.%{name} \
+    --slave %{_bindir}/whatis whatis %{_bindir}/whatis.%{name} \
+    --slave %{_mandir}/man1/man.1.gz man.1.gz %{_mandir}/man1/man.%{name}.1.gz \
+    --slave %{_mandir}/man1/apropos.1.gz apropos.1.gz %{_mandir}/man1/apropos.%{name}.1.gz \
+    --slave %{_mandir}/man1/whatis.1.gz whatis.1.gz %{_mandir}/man1/whatis.%{name}.1.gz \
+    >/dev/null 2>&1 || :
+
 # clear the old cache
 %{__rm} -rf %{cache}/* || :
 /sbin/ldconfig
@@ -94,6 +129,11 @@ if [ -x /usr/bin/systemd-run -a -x /usr/bin/systemctl ]; then
 fi
 
 %postun
+if [ $1 -ge 1 ]; then
+    if [ "$(readlink %{_sysconfdir}/alternatives/man)" == "%{_bindir}/man.%{name}" ]; then
+        %{_sbindir}/update-alternatives --set man %{_bindir}/man.%{name} >/dev/null 2>&1 || :
+    fi
+fi
 /sbin/ldconfig
 
 %files -f %{name}.lang -f %{name}-gnulib.lang
@@ -107,9 +147,6 @@ fi
 %config(noreplace) /etc/ld.so.conf.d/*
 %{_unitdir}/man-db-cache-update.service
 %{_sbindir}/accessdb
-%{_bindir}/man
-%{_bindir}/whatis
-%{_bindir}/apropos
 %{_bindir}/manpath
 %{_bindir}/lexgrog
 %{_bindir}/catman
@@ -124,6 +161,16 @@ fi
 /usr/lib/systemd/system/man-db.service
 /usr/lib/systemd/system/man-db.timer
 %verify(not mtime) %dir %{cache}
+%ghost %{_bindir}/man
+%ghost %{_bindir}/apropos
+%ghost %{_bindir}/whatis
+%{_bindir}/man.%{name}
+%{_bindir}/whatis.%{name}
+%{_bindir}/apropos.%{name}
+# documentation and translation
+%ghost %{_mandir}/man1/man.1*
+%ghost %{_mandir}/man1/apropos.1*
+%ghost %{_mandir}/man1/whatis.1*
 %lang(da)       %{_datadir}/man/da/man*/*
 %lang(de)       %{_datadir}/man/de/man*/*
 %lang(es)       %{_datadir}/man/es/man*/*
@@ -139,12 +186,12 @@ fi
 %lang(sv)       %{_datadir}/man/sv/man*/*
 %lang(tr)       %{_datadir}/man/tr/man*/*
 %lang(zh_CN)    %{_datadir}/man/zh_CN/man*/*
-%{_mandir}/man1/apropos.1*
+%{_mandir}/man1/man.%{name}.1*
+%{_mandir}/man1/apropos.%{name}.1*
+%{_mandir}/man1/whatis.%{name}.1*
 %{_mandir}/man1/lexgrog.1*
-%{_mandir}/man1/man.1*
 %{_mandir}/man1/manconv.1*
 %{_mandir}/man1/manpath.1*
-%{_mandir}/man1/whatis.1*
 %{_mandir}/man1/man-recode.1*
 %{_mandir}/man5/manpath.5*
 %{_mandir}/man8/accessdb.8*
@@ -169,6 +216,9 @@ fi
 %{_mandir}/ro/man8/mandb.8.gz
 
 %changelog
+* Fri Jun 30 2023 lilong <lilong@kylinos.cn> - 2.11.0-3
+- Fix crash when mandoc install
+
 * Sat Jun 17 2023 yanglongkang <yanglongkang@h-partners.com> - 2.11.0-2
 - Fix crash when processing stray cats