From 60238ff6aad2e14870bab1c7adee633976571423 Mon Sep 17 00:00:00 2001
From: Jakub Jirutka <jakub@jirutka.cz>
Date: Wed, 30 Mar 2016 21:28:23 +0200
Subject: Set up Travis to build modified packages

---
 .travis/build-pkgs | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100755 .travis/build-pkgs

(limited to '.travis/build-pkgs')

diff --git a/.travis/build-pkgs b/.travis/build-pkgs
new file mode 100755
index 0000000000..6c65407041
--- /dev/null
+++ b/.travis/build-pkgs
@@ -0,0 +1,75 @@
+#!/bin/sh
+# vim: set ts=4:
+set -eu
+
+. "$(dirname "$0")"/common.sh
+
+# Prints names of top-level directories (i.e. repositories) that has been
+# changed/created in the specified revisions.
+changed_repos() {
+	local commit_ish="$1"
+
+	git diff-tree --name-only "$commit_ish" | grep -v '^\..*' || echo ''
+}
+
+# Prints names of repo's subdirs (i.e. abuilds) that contains APKBUILDs which
+# has been changed/created in the specified revisions. The abuild names are
+# printed in a build order.
+changed_abuilds() {
+	local repo="$1"
+	local commit_ish="$2"
+
+	# Get names of repo's subdirectories with modified APKBUILD.
+	local aports="$(git diff-tree -r --relative="$repo" --name-only "$commit_ish" -- '*APKBUILD' \
+					| xargs -I% dirname % | xargs)"
+
+	# Sort abuilds by build order.
+	ap builddirs -d "$(pwd)/$repo" $aports 2>/dev/null | xargs -I% basename %
+}
+
+
+cd "$CLONE_DIR"
+
+# Workarounds for oddities of TRAVIS_COMMIT_RANGE that:
+#   - may be empty when pushing single commit,
+#   - uses triple-dot range instead of double-dot that we need,
+#   - contains SHA of old (unreachable) commit when rebasing.
+commit_range="$(echo "${TRAVIS_COMMIT_RANGE:-}" | sed -E 's/\.{3}/../')"
+if ! git rev-parse "$commit_range" >/dev/null 2>&1; then
+	commit_range="$(git rev-parse HEAD^1)..HEAD"
+fi
+
+failed_pkgs=''
+successful_pkgs=''
+
+
+title "Building abuilds that has been modified/added between $commit_range\n"
+
+echo 'Diffstat:'
+git --no-pager diff --color --stat "$commit_range"
+
+for repo in $(changed_repos "$commit_range"); do
+	for pkgname in $(changed_abuilds "$repo" "$commit_range"); do
+		qname="$repo/$pkgname"
+
+		fold_start "$pkgname" "Building package $qname"
+
+		if APKBUILD="$qname/APKBUILD" abuild -fr; then
+			successful_pkgs="$successful_pkgs $qname"
+		else
+			failed_pkgs="$failed_pkgs $qname"
+		fi
+		fold_end "$pkgname"
+	done
+done
+
+printf '\n----\n'
+if [ -n "$successful_pkgs" ]; then
+	print -s1 -c2 "Successfully build packages:$successful_pkgs\n"
+fi
+if [ -n "$failed_pkgs" ]; then
+	die "Failed to build packages:$failed_pkgs"
+
+elif [ -z "$successful_pkgs" ]; then
+	die 'No packages found to be build.'
+fi
-- 
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