Add flat-remix icon theme

icontheme/flat-remix/.gitignore

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+/scripts

icontheme/flat-remix/base.yaml.in

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+id: "org.freedesktop.Platform.Icontheme.{THEME}"
+branch: "3.22"
+runtime: org.freedesktop.Platform
+build-extension: true
+sdk: org.freedesktop.Sdk
+runtime-version: "19.08"
+appstream-compose: false
+separate-locales: false
+modules:
+    -   name: base
+        sources:
+            -   type: git
+                url: https://github.com/daniruiz/flat-remix.git
+                commit: 957441cb74b805e019cad24ae0c3507187e60445
+            -   type: script
+                dest-filename: gen.sh
+                commands:
+                    - make install PREFIX="/tmp"
+                    - cp -rav "/tmp/share/icons/$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1)/." "$FLATPAK_DEST"
+        buildsystem: simple
+        build-commands:
+            - ./gen.sh
+    -   name: appstream
+        buildsystem: simple
+        build-commands:
+            - mkdir -p $FLATPAK_DEST/share/appdata
+            - echo '<?xml version="1.0" encoding="UTF-8"?>' > "$FLATPAK_DEST/share/appdata/org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1).appdata.xml"
+            - echo '<component type="runtime">' >> "$FLATPAK_DEST/share/appdata/org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1).appdata.xml"
+            - echo '    <id>org.freedesktop.Platform.Icontheme.{THEME}</id>' >> "$FLATPAK_DEST/share/appdata/org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1).appdata.xml"
+            - echo '    <metadata_license>CC0-1.0</metadata_license>' >> "$FLATPAK_DEST/share/appdata/org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1).appdata.xml"
+            - echo '</component>' >> "$FLATPAK_DEST/share/appdata/org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1).appdata.xml"
+            - appstream-compose --basename="org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1)" --prefix=$FLATPAK_DEST --origin=builds "org.freedesktop.Platform.Icontheme.$(echo "$FLATPAK_DEST" | tr / "\n" | tail -n 1)"

icontheme/flat-remix/build.sh

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+#! /usr/bin/env bash
+# Args: <builder args> [<repo>]
+
+export "BASE_PATH=$(dirname "$0")" &&
+mkdir -p "$BASE_PATH/scripts" &&
+cat "$BASE_PATH/themes.csv" | while read i
+do
+	cat "$BASE_PATH/base.yaml.in" | sed "s/{THEME}/$i/" > "$BASE_PATH/scripts/$i.yaml" &&
+	if [ -z "$2" ]
+	then
+		flatpak-builder --force-clean $1 build "$BASE_PATH/scripts/$i.yaml" || exit 1
+	else
+		flatpak-builder --force-clean --repo "$2" $1 build "$BASE_PATH/scripts/$i.yaml" || exit 1
+	fi
+done

icontheme/flat-remix/themes.csv

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+Flat-Remix-Blue-Dark
+Flat-Remix-Blue-Light
+Flat-Remix-Blue
+Flat-Remix-Green-Dark
+Flat-Remix-Green-Light
+Flat-Remix-Green
+Flat-Remix-Red-Dark
+Flat-Remix-Red-Light
+Flat-Remix-Red
+Flat-Remix-Yellow-Dark
+Flat-Remix-Yellow-Light
+Flat-Remix-Yellow