aur-build: default to /etc/aurutils/pacman-<db>.conf

This does not require users to write files to /usr/share and allows to
have several pacman.conf files with --chroot (per repository) without
requiring --pacman-conf.

Makefile

@@ -3,6 +3,7 @@ PREFIX ?= /usr
 SHRDIR ?= $(PREFIX)/share
 BINDIR ?= $(PREFIX)/bin
 LIBDIR ?= $(PREFIX)/lib
+ETCDIR ?= /etc
 AURUTILS_LIB_DIR ?= $(LIBDIR)/$(PROGNM)
 
 .PHONY: shellcheck install build completion aur
@@ -26,4 +27,5 @@ install: install-aur
 	@install -Dm644 man1/*    -t '$(DESTDIR)$(SHRDIR)/man/man1'
 	@install -Dm644 man7/*    -t '$(DESTDIR)$(SHRDIR)/man/man7'
 	@install -Dm644 LICENSE   -t '$(DESTDIR)$(SHRDIR)/licenses/$(PROGNM)'
+	@install -dm755 aurutils '$(DESTDIR)$(ETCDIR)/$(PROGNM)'
 	@$(MAKE) -C completions DESTDIR='$(DESTDIR)' install-bash install-zsh

lib/aur-build

@@ -17,7 +17,6 @@ chroot_args=() pacconf_args=() repo_add_args=() makepkg_args=() makechrootpkg_ma
 # default arguments
 gpg_args=(--detach-sign --no-armor --batch)
 makechrootpkg_args=(-c -u)
-suffix=aur
 
 db_replaces() {
     bsdcat "$1" | awk '
@@ -69,11 +68,11 @@ fi
 opt_short='a:d:D:U:AcCfnrsvLNRST'
 opt_long=('arg-file:' 'chroot' 'database:' 'repo:' 'force' 'root:'
           'sign' 'verify' 'directory:' 'no-sync' 'config:'
-          'pacman-conf:' 'results:' 'remove' 'pkgver' 'suffix:'
-          'rmdeps' 'no-confirm' 'ignore-arch' 'log' 'new'
-          'makepkg-conf:' 'bind:' 'bind-rw:' 'prevent-downgrade'
-          'temp' 'syncdeps' 'clean' 'namcap' 'checkpkg' 'user:'
-          'makepkg-args:' 'buildscript:')
+          'pacman-conf:' 'results:' 'remove' 'pkgver' 'rmdeps'
+          'no-confirm' 'ignore-arch' 'log' 'new' 'makepkg-conf:'
+          'bind:' 'bind-rw:' 'prevent-downgrade' 'temp' 'syncdeps'
+          'clean' 'namcap' 'checkpkg' 'user:' 'makepkg-args:'
+          'buildscript:')
 opt_hidden=('dump-options' 'gpg-sign' 'ignorearch' 'noconfirm' 'nosync' 'margs:')
 
 if ! parseopts "$opt_short" "${opt_long[@]}" "${opt_hidden[@]}" -- "$@"; then
@@ -117,8 +116,6 @@ while true; do
             shift; makechrootpkg_args+=(-d"$1") ;;
         --pacman-conf)
             shift; pacman_conf=$1 ;;
-        --suffix)
-            shift; suffix=$1 ;;
         -N|--namcap)
             makechrootpkg_args+=(-n) ;;
         --checkpkg)
@@ -230,8 +227,7 @@ if (( chroot )); then
     if [[ -v pacman_conf ]]; then
         chroot_args+=(--pacman-conf "$pacman_conf")
     else
-        # Defaults to /usr/share/devtools/pacman-<suffix>.conf
-        chroot_args+=(--suffix "$suffix")
+        chroot_args+=(--pacman-conf "/etc/aurutils/pacman-$db_name.conf")
     fi
 
     # makepkg --packagelist includes the package extension, but

lib/aur-sync

@@ -96,7 +96,7 @@ opt_long=('bind:' 'bind-rw:' 'database:' 'repo:' 'directory:' 'ignore:' 'root:'
           'no-view' 'no-provides' 'no-build' 'rm-deps' 'sign' 'temp' 'upgrades'
           'pkgver' 'rebuild' 'rebuild-tree' 'rebuild-all' 'ignore-file:'
           'remove' 'provides-from:' 'new' 'prevent-downgrade' 'verify'
-          'results:' 'makepkg-args:' 'format:' 'config:' 'suffix:')
+          'results:' 'makepkg-args:' 'format:' 'config:')
 opt_hidden=('dump-options' 'allan' 'ignorearch' 'ignorefile:' 'noconfirm'
             'nover' 'nograph' 'nover-argv' 'noview' 'noprovides' 'nobuild'
             'rebuildall' 'rebuildtree' 'rmdeps' 'gpg-sign' 'margs:')
@@ -169,8 +169,6 @@ while true; do
             shift; build_args+=(--results "$1") ;;
         -S|--sign|--gpg-sign)
             build_args+=(--sign) ;;
-        --suffix)
-            shift; build_args+=(--suffix "$1") ;;
         # build options (devtools)
         -D|--directory)
             shift; build_args+=(--directory "$1") ;;

man1/aur-build.1

@@ -61,12 +61,12 @@ The prerequisites for this option are that the
 package is installed, and the a
 .BR pacman (8)
 configuration for the container is placed in
-.BI /usr/share/devtools/pacman \-aur.conf \fR.
+.BI /etc/aurutils/pacman-<database>.conf \fR
+where <database> is specified with
+.BR \-\-database .
 A different location can be chosen with the
 .BR \-\-pacman\-conf
-or
-.BR \-\-suffix
-options.
+option.
 .RE
 .
 .TP
@@ -221,16 +221,6 @@ The
 file used inside the container.
 .RB ( aur\-chroot " " \-\-pacman\-conf )
 .
-.TP
-.BI \-\-suffix= SUFFIX
-The path component
-.B <suffix>
-in the pacman configuration
-.BR /usr/share/devtools/pacman\-<suffix>.conf .
-.RB ( aur\-chroot " " \-\-suffix )
-Defaults to
-.BR aur .
-.
 .SS makepkg options
 Additional options may be passed to
 .B makepkg