.github/workflows/duplicates.yml: add script to check for duplicates

Signed-off-by: Andrew Ammerlaan <andrewammerlaan@riseup.net>

1 files changed, 76 insertions, 0 deletions

diff --git a/scripts/check-duplicates.sh b/scripts/check-duplicates.sh
new file mode 100755
index 000000000..8f6b89af7
--- /dev/null
+++ b/scripts/check-duplicates.sh
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+# Maintainer: Andrew Ammerlaan <andrewammerlaan@riseup.net>
+#
+# This checks if packages in ::guru are also in ::gentoo
+#
+# Note that this is not going to be 100% accurate
+#
+#
+
+printf "\nChecking for duplicates....\n"
+
+gentoo_location="/var/db/repos/gentoo"
+guru_location="."
+
+gentoo_packs=$(find ${gentoo_location} -mindepth 2 -maxdepth 2 -printf "%P\n" | sort | grep -Ev "^(.git|.github|metadata|profiles|scripts)/")
+guru_packs=$(find ${guru_location} -mindepth 2 -maxdepth 2 -printf "%P\n" | sort | grep -Ev "^(.git|.github|metadata|profiles|scripts)/")
+
+pack_overrides="" pack_close_match_in_cat="" pack_close_match=""
+for guru_pack in ${guru_packs}; do
+	# separate category and packages
+	guru_pack_cat="${guru_pack%%/*}"
+	guru_pack_name="${guru_pack##*/}"
+
+	# convert all to lowercase
+	guru_pack_name="${guru_pack_name,,}"
+
+	# stip all numbers, dashes, underscores and pluses
+	guru_pack_name="${guru_pack_name/[0-9-_+]}"
+
+	for gentoo_pack in ${gentoo_packs}; do
+		# separate category and packages
+		gentoo_pack_cat="${gentoo_pack%%/*}"
+		gentoo_pack_name="${gentoo_pack##*/}"
+
+		# convert all to lowercase
+		gentoo_pack_name="${gentoo_pack_name,,}"
+
+		# stip all numbers, dashes, underscores and pluses
+		gentoo_pack_name="${gentoo_pack_name/[0-9-_+]}"
+
+		#TODO: check DESCRIPTION, HOMEPAGE and SRC_URI for close matches
+
+		if [[ "${gentoo_pack_name}" == "${guru_pack_name}" ]]; then
+			if [[ "${gentoo_pack_cat}" == "${guru_pack_cat}" ]]; then
+				if [[ "${gentoo_pack}" == "${guru_pack}" ]]; then
+					pack_overrides+="\t${guru_pack}::guru exact match of ${gentoo_pack}::gentoo\n"
+				else
+					pack_close_match_in_cat+="\t${guru_pack}::guru possible duplicate of ${gentoo_pack}::gentoo\n"
+				fi
+			else
+				pack_close_match+="\t${guru_pack}::guru possible duplicate of ${gentoo_pack}::gentoo\n"
+			fi
+		fi
+	done
+done
+
+if [ -n "${pack_close_match}" ]; then
+	printf "\nWARNING: The following packages closely match packages in the main Gentoo repository\n"
+	printf "${pack_close_match}"
+	printf "Please check these manually\n"
+fi
+
+if [ -n "${pack_close_match_in_cat}" ]; then
+	printf "\nWARNING: The following packages closely match packages in the main Gentoo repository in the same category\n"
+	printf "${pack_close_match_in_cat}"
+	printf "Please check these manually\n"
+fi
+
+if [ -n "${pack_overrides}" ]; then
+	printf "\nERROR: The following packages override packages in the main Gentoo repository\n"
+	printf "${pack_overrides}"
+	printf "Please remove these packages\n"
+	# do not exit fatally on ::science
+	# exit 1
+fi
+exit 0