From 388cbad887c0ecb179670847cb1e60d52d3b3c1d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 26 Sep 2023 14:00:26 -0400
Subject: ob-gencontrol: Generate deps on doc-providing pkg

---
(limited to 'src')

diff --git a/src/ob-gencontrol.sh b/src/ob-gencontrol.sh
index 5a103a0..a05ba64 100644
--- a/src/ob-gencontrol.sh
+++ b/src/ob-gencontrol.sh
@@ -128,16 +128,21 @@ gen_control_bin()
 	local plat="${4}"
 	local desc="${5}"
 	shift 5
+	local binary_qual=
 	local value=
+	local doc_pkg=
+	local upstream_ver=
+	local doc_dep=
 	local name=
 	local homepage=
 
 	mkdir -p -- "${binary}.control"
 	exec 3>"${binary}.control/control"
 
+	binary_qual="$(ob_qualify_package_name "${binary}" "${OPK_HOST_ARCH}")"
+
 	cat >&3 <<-EOF
-		Package: $(ob_qualify_package_name "${binary}" \
-			"${OPK_HOST_ARCH}")
+		Package: ${binary_qual}
 		Source: ${OPK_SOURCE}
 		Version: ${version}
 		Architecture: ${arch}
@@ -154,9 +159,25 @@ gen_control_bin()
 			tr '\n' ' ')
 		EOF
 
+	if ! doc_pkg="$(ob_get_doc_package)"; then
+		ob_error "$(ob_get_msg 'cant_get_doc_pkg')"
+		return 1
+	fi
+	doc_pkg="$(ob_qualify_package_name "${doc_pkg}" "${OPK_HOST_ARCH}")"
+	if ! ob_parse_version -u upstream_ver "${OPK_SOURCE_VERSION}"; then
+		ob_error "$(ob_get_msg 'bad_source_version')"
+		return 1
+	fi
+	doc_dep="${doc_pkg} (>= ${upstream_ver}), $(: \
+		)${doc_pkg} (<= ${upstream_ver}-z)"
+
 	for name in Essential Depends Recommends Suggests Pre-Depends \
 			Conflicts Provides Replaces; do
 		value="$(ob_get_binary_parameter "${binary}" "${name}")"
+		if [ x"${name}" = x'Depends' ] &&
+				[ x"${binary_qual}" != x"${doc_pkg}" ]; then
+			value="${doc_dep}, ${value}"
+		fi
 		if [ -z "${value}" ]; then
 			continue
 		fi
--
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