From 4b171150d6b4c111bc5daca39c76f5504bbad46d Mon Sep 17 00:00:00 2001
From: "dylan.araps@gmail.com" <dylan.araps@gmail.com>
Date: Sat, 29 Jun 2019 07:42:27 +0000
Subject: kiss-new: Initial dependency solver

FossilOrigin-Name: 65c145f86da78d214e14a6831470f4f36a5aae1ad56f8086af248b3e1e5bc0fc
---
 kiss-new | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/kiss-new b/kiss-new
index f229c0c..c4916e0 100755
--- a/kiss-new
+++ b/kiss-new
@@ -103,7 +103,7 @@ pkg_list() {
     # Also warn if a package is missing its version file.
     for pkg; do
         [ -d "$pkg" ] || {
-            log "Package '$pkg' is not installed."
+            log "Package '$pkg' is not installed." >&2
             return 1
         }
 
@@ -159,6 +159,32 @@ pkg_sources() {
     done < "$repo_dir/sources"
 }
 
+pkg_depends() {
+    # Resolve all dependencies and install them in the right order.
+    for pkg; do
+        # Find the package's repository files. This needs to keep
+        # happening as we can't store this data in any kind of data
+        # structure.
+        repo_dir=$(pkg_search "$pkg")
+
+        # Package doesn't depend on anything, skip it.
+        [ -f "$repo_dir/depends" ] || continue
+
+        while read -r dep _; do
+            pkg_list "$dep" >/dev/null || {
+                case $missing_deps in
+                    # Dependency is already in list, skip it.
+                    *" $dep "*) ;;
+
+                    *)
+                        missing_deps="$missing_deps $dep "
+                    ;;
+                esac
+            }
+        done < "$repo_dir/depends"
+    done
+}
+
 pkg_build() {
     # Build packages and turn them into packaged tarballs. This function
     # also checks checksums, downloads sources and ensure all dependencies
@@ -184,6 +210,8 @@ pkg_build() {
     # Die here as packages without checksums were found above.
     [ "$no_checkums" ] &&
         die "Run '$kiss checksum ${no_checkums% }' to generate checksums."
+
+    pkg_depends "$@"
 }
 
 pkg_checksums() {
-- 
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