Install default config as /usr/share/abuild/default.conf

Split the config a bit so its easier to ship default flags and
maintainer builders.

Makefile

@@ -60,7 +60,10 @@ OBJS-abuild-fetch = abuild-fetch.o
 
 TEST_TIMEOUT = 15
 
-.SUFFIXES:	.sh.in .in
+.SUFFIXES:	.conf.in .sh.in .in
+%.conf: %.conf.in
+	${SED} ${SED_REPLACE} ${SED_EXTRA} $< > $@
+
 %.sh: %.sh.in
 	${SED} ${SED_REPLACE} ${SED_EXTRA} $< > $@
 	${CHMOD} +x $@
@@ -77,7 +80,7 @@ TEST_TIMEOUT = 15
 
 P=$(PACKAGE)-$(VERSION)
 
-all:	$(USR_BIN_FILES) $(MAN_PAGES) functions.sh
+all:	$(USR_BIN_FILES) $(MAN_PAGES) functions.sh abuild.conf
 
 clean:
 	@rm -f $(USR_BIN_FILES) $(MAN_PAGES) *.o functions.sh Kyuafile \
@@ -126,7 +129,7 @@ Kyuafile: tests/Kyuafile
 check: $(SCRIPTS) $(USR_BIN_FILES) functions.sh tests/Kyuafile Kyuafile tests/testdata/abuild.key.pub
 	kyua test || (kyua report --verbose && exit 1)
 
-install: $(USR_BIN_FILES) $(SAMPLES) $(MAN_PAGES) abuild.conf functions.sh
+install: $(USR_BIN_FILES) $(SAMPLES) $(MAN_PAGES) default.conf abuild.conf functions.sh
 	install -d $(DESTDIR)/$(bindir) $(DESTDIR)/$(sysconfdir) \
 		$(DESTDIR)/$(sharedir) $(DESTDIR)/$(mandir)/man1 \
 		$(DESTDIR)/$(mandir)/man5
@@ -146,9 +149,10 @@ install: $(USR_BIN_FILES) $(SAMPLES) $(MAN_PAGES) abuild.conf functions.sh
 	if [ -n "$(DESTDIR)" ] || [ ! -f "/$(sysconfdir)"/abuild.conf ]; then\
 		cp abuild.conf $(DESTDIR)/$(sysconfdir)/; \
 	fi
+
 	cp $(SAMPLES) $(DESTDIR)/$(prefix)/share/abuild/
 	cp $(AUTOTOOLS_TOOLCHAIN_FILES) $(DESTDIR)/$(prefix)/share/abuild/
-	cp functions.sh $(DESTDIR)/$(sharedir)/
+	install -t $(DESTDIR)/$(sharedir)/ functions.sh default.conf
 
 depends depend:
 	sudo apk --no-cache -U --virtual .abuild-depends add openssl-dev zlib-dev

abuild.conf.in

@@ -0,0 +1,26 @@
+# defaults are in @sharedir@/default.conf
+#
+# uncomment line below to enable colors
+#USE_COLORS=1
+
+# uncomment line below to enable ccache support.
+#USE_CCACHE=1
+
+# where downloaded files are stored
+#SRCDEST=/var/cache/distfiles
+
+# uncomment line below to store built packages in other location
+# The package will be stored as $REPODEST/$repo/$pkgname-$pkgver-r$pkgrel.apk
+# where $repo is the name of the parent directory of $startdir.
+#REPODEST=$HOME/packages/
+
+# PACKAGER and MAINTAINER are used by newapkbuild when creating new aports for
+# the APKBUILD's "Contributor:" and "Maintainer:" comments, respectively.
+#PACKAGER="Your Name <your@email.address>"
+#MAINTAINER="$PACKAGER"
+
+# what to clean up after a successful build
+#CLEANUP="srcdir bldroot pkgdir deps"
+
+# what to cleanup after a failed build
+#ERROR_CLEANUP="bldroot deps"

default.conf

@@ -18,15 +18,8 @@ export CARGO_PROFILE_RELEASE_CODEGEN_UNITS=1
 export CARGO_PROFILE_RELEASE_LTO="true"
 export CARGO_REGISTRIES_CRATES_IO_PROTOCOL="sparse"
 
-# remove line below to disable colors
-USE_COLORS=1
-
-# uncomment line below to enable ccache support.
-#USE_CCACHE=1
-
 SRCDEST=/var/cache/distfiles
 
-# uncomment line below to store built packages in other location
 # The package will be stored as $REPODEST/$repo/$pkgname-$pkgver-r$pkgrel.apk
 # where $repo is the name of the parent directory of $startdir.
 REPODEST=$HOME/packages/