abuild.1: add new manpage

This is mostly based on the output of --help.

Makefile

@@ -11,7 +11,7 @@ SCRIPTS		:= abuild abuild-keygen abuild-sign newapkbuild \
 		   abump apkgrel buildlab apkbuild-cpan apkbuild-pypi checkapk \
 		   apkbuild-gem-resolver
 USR_BIN_FILES	:= $(SCRIPTS) abuild-tar abuild-gzsplit abuild-sudo abuild-fetch abuild-rmtemp
-MAN_1_PAGES	:= newapkbuild.1
+MAN_1_PAGES	:= newapkbuild.1 abuild.1
 MAN_5_PAGES	:= APKBUILD.5
 SAMPLES		:= sample.APKBUILD sample.initd sample.confd \
 		sample.pre-install sample.post-install

abuild.1.scd

@@ -0,0 +1,167 @@
+abuild(1)
+
+# NAME
+
+*abuild* - build an apk from an APKBUILD
+
+# SYNOPSIS
+
+*abuild* [options] [-P _REPODEST_] [-s _SRCDEST_] [-D _DESCRIPTION_] [cmd] ...++
+*abuild* [-c] -n _PKGNAME_[-_PKGVER_]
+
+# DESCRIPTION
+
+*abuild* builds an apk binary package based on an input APKBUILD(5), as well as
+other related operations.
+
+# OPTIONS
+
+*-A*
+	Print CARCH and exit
+
+*-c*
+	Enable colored output
+
+*-d*
+	Disable dependency checking
+
+*-D*
+	Set APKINDEX description (default: *$repo $(git describe)*)
+
+*-f*
+	Force specified cmd (skip checks: apk up to date, arch, libc)
+
+*-F*
+	Force run as root
+
+*-h*
+	Show this help
+
+*-k*
+	Keep built packages, even if APKBUILD or sources are newer
+
+*-K*
+	Keep buildtime temp dirs and files (srcdir/pkgdir/deps)
+
+*-m*
+	Disable colors (monochrome)
+
+*-P*
+	Set REPODEST as the repository location for created packages
+
+*-q*
+	Quiet
+
+*-r*
+	Install missing dependencies from system repository (using sudo)
+
+*-s*
+	Set source package destination directory
+
+*-v*
+	Verbose: show every command as it is run (very noisy)
+
+# COMMANDS
+
+*build*
+	Compile and install package into *$pkgdir*.
+
+*check*
+	Run any defined tests concerning the package
+
+*checksum*
+	Generate checksum to be included in APKBUILD
+
+*clean*
+	Remove temp build and install dirs
+
+*cleancache*
+	Remove downloaded files from $SRCDEST
+
+*cleanoldpkg*
+	Remove binary packages except current version
+
+*cleanpkg*
+	Remove already built binary and source package
+
+*deps*
+	Install packages listed in makedepends and depends
+
+*fetch*
+	Fetch sources to $SRCDEST (consider: 'abuild fetch verify')
+
+*index*
+	Regenerate indexes in $REPODEST
+
+*listpkg*
+	List target packages
+
+*package*
+	Install project into
+
+*prepare*
+	Apply patches
+
+*rootbld*
+	Build package in clean chroot. Requires *abuild-rootbld*.
+
+*rootpkg*
+	Run 'package', the split functions and create apks as fakeroot
+
+*sanitycheck*
+	Basic sanity check of APKBUILD
+
+*snapshot*
+	Create a *$giturl* snapshot and upload to *$disturl*
+
+*sourcecheck*
+	Check if remote source package exists upstream
+
+*srcpkg*
+	Make a source package
+
+*undeps*
+	Uninstall packages listed in makedepends and depends
+
+*unpack*
+	Unpack sources to $srcdir
+
+*up2date*
+	Compare target and sources dates
+
+*verify*
+	Verify checksums
+
+# FILES
+
+/etc/abuild.conf
+	Configuration is read from this file by default.
+
+$HOME/.abuild/abuild.conf
+	User-specific configuration is read from this file, if it exists.
+
+# EXAMPLES
+
+Update checksums for an APKBUILD:
+
+```
+abuild checksum
+```
+
+Build an APKBUILD and print coloured output:
+
+```
+abuild -rc
+```
+
+# SEE ALSO
+
+SPDX license reference (on the Web at <https://spdx.org/licenses/>),
+newapkbuild(1), apk(8), APKBUILD(5).
+
+# AUTHORS
+
+*abuild*: Natanael Copa <_ncopa@alpinelinux.org_>
+
+Documentation:++
+Hugo Osvaldo Barrera <_hugo@whynothugo.nl_>