From fcbc2bf36d668f537012be5ae05f8e452e0acd44 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sun, 17 Jan 2021 03:37:50 -0500
Subject: cmd/install: Make suite argument optional

---
diff --git a/NEWS b/NEWS
index 34d6ccc..4a7f5c5 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,8 @@ New features:
     requested platform.  The "-a" option is now only necessary if
     installing ProteanOS's "dev" platform for an architecture different
     from but compatible with the native architecture.
+  * "prokit install"'s "<suite>" argument is now optional.  On ProteanOS
+    the default is "rel/trunk", the rolling release suite.
   * "prokit build" now passes an "-a" option, if supported, to opkg to
     install host-architecture non-coinstallable dependencies (such as
     library development packages) when cross building.
diff --git a/TODO b/TODO
index 4508d98..65da220 100644
--- a/TODO
+++ b/TODO
@@ -2,5 +2,4 @@ Tasks for version 3.0.0
 -----------------------
 
 * `man/prokit-install.8in`: Update
-* `prokit install`: Consider making `<suite>` argument optional
 * `_install_get_pkgs()`: Resolve `FIXME`
diff --git a/locale/C.sh b/locale/C.sh
index ee4e237..18cddde 100644
--- a/locale/C.sh
+++ b/locale/C.sh
@@ -86,7 +86,7 @@ There is NO WARRANTY, to the extent permitted by law.'
 # src/cmd/install.sh
 msg_prokit_cmd_install_summary='install a system into a directory'
 msg_prokit_cmd_install_usage='[-a <arch>] [-p <plat>] [-m <mirror>] [-F] '\
-'<suite> <root>'
+'[<suite>] <root>'
 
 # src/cmd/shell.sh
 msg_prokit_cmd_shell_summary='run a shell in an isolated environment'
diff --git a/man/prokit-install.8in b/man/prokit-install.8in
index 2c68b8b..c28b051 100644
--- a/man/prokit-install.8in
+++ b/man/prokit-install.8in
@@ -6,7 +6,7 @@ prokit-install \- Install a system into a directory
 
 .SH SYNOPSIS
 \fBprokit install\fP [\fB-a\fP \fIarch\fP] [\fB-p\fP \fIplat\fP]
-[\fB-m\fP \fImirror\fP] [\fB-F\fP] \fIsuite\fP \fIroot\fP
+[\fB-m\fP \fImirror\fP] [\fB-F\fP] [\fIsuite\fP] \fIroot\fP
 
 .SH DESCRIPTION
 \fBprokit install\fP installs a basic system of \fIsuite\fP into \fIroot\fP.
diff --git a/src/cmd/install.sh b/src/cmd/install.sh
index 0e4a8b9..ecdfe8c 100644
--- a/src/cmd/install.sh
+++ b/src/cmd/install.sh
@@ -33,15 +33,20 @@ cmd_install_main()
 	fi
 	shift $((${OPTIND} - 1))
 
-	if [ ${#} -lt 2 ]; then
+	if [ ${#} -eq 1 ]; then
+		suite=''
+		root="${1}"
+		shift 1
+	fi
+	if [ ${#} -eq 2 ]; then
+		suite="${1}"
+		root="${2}"
+		shift 2
+	else
 		print_cmd_usage 'install' >&2
 		return 1
 	fi
 
-	suite="${1}"
-	root="${2}"
-	shift 2
-
 	if [ "x${suite%%:*}" != "x${suite}" ]; then
 		profile="${suite%%:*}"
 		suite="${suite#*:}"
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