xbps-src: add show host/makedepends subcommand

common/xbps-src/shutils/show.sh

@@ -58,15 +58,14 @@ show_avail() {
     check_pkg_arch "$XBPS_CROSS_BUILD" 2>/dev/null
 }
 
-show_pkg_build_deps() {
+show_pkg_build_depends() {
     local f x _pkgname _srcpkg _dep found result
-
-    setup_pkg_depends
+    local _deps="$1"
 
     result=$(mktemp || exit 1)
 
     # build time deps
-    for f in ${host_build_depends} ${build_depends} ${run_depends}; do
+    for f in ${_deps}; do
         # ignore virtual deps
         local _rpkg="${f%\?*}"
         local _vpkg="${f#*\?}"
@@ -105,6 +104,20 @@ show_pkg_build_deps() {
     rm -f $result
 }
 
+show_pkg_build_deps() {
+    setup_pkg_depends
+    show_pkg_build_depends "${host_build_depends} ${build_depends} ${run_depends}"
+}
+
+show_pkg_hostmakedepends() {
+    setup_pkg_depends
+    show_pkg_build_depends "${host_build_depends}"
+}
+
+show_pkg_makedepends() {
+    setup_pkg_depends
+    show_pkg_build_depends "${build_depends}"
+}
 
 show_pkg_build_options() {
     local f opt desc

xbps-src

@@ -91,6 +91,12 @@ show-deps <pkgname>
 show-files <pkgname>
     Show files installed by <pkgname>. Package must be installed into destdir.
 
+show-hostmakedepends <pkgname>
+    Show required host build dependencies for <pkgname>.
+
+show-makedepends <pkgname>
+    Show required target build dependencies for <pkgname>.
+
 show-options <pkgname>
     Show available build options by <pkgname>.
 
@@ -750,6 +756,14 @@ case "$XBPS_TARGET" in
         read_pkg ignore-problems
         show_pkg_build_deps
         ;;
+    show-hostmakedepends)
+        read_pkg ignore-problems
+        show_pkg_hostmakedepends
+        ;;
+    show-makedepends)
+        read_pkg ignore-problems
+        show_pkg_makedepends
+        ;;
     show-pkg-var)
         read_pkg ignore-problems
         for sub_name in $subpackages; do