test many of Imager's reverse dependencies

This way any compatibility breakage should be deliberate instead of
accidental.

.github/workflows/reverse-deps.yml

@@ -0,0 +1,83 @@
+name: reverse-deps
+
+on:
+  push:
+    branches:
+      - '**'
+    tags-ignore:
+      - '*'
+  pull_request:
+
+
+jobs:
+  reverse-deps:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: install dependencies
+        run: |
+            sudo apt-get update ||:
+            sudo apt-get -y install build-essential libtiff-dev libpng-dev libgif-dev libfreetype6-dev libjpeg-dev libinline-c-perl libparse-recdescent-perl cpanminus libwebp-dev libheif-dev libtest-warnings-perl libscope-guard-perl libsub-info-perl liblist-someutils-perl libtest-leaktrace-perl libtest-exception-perl libsub-uplevel-perl libgd-perl libterm-table-perl libmodule-pluggable-perl libmodule-build-perl libtest-fatal-perl libnet-http-perl libtest-requires-perl libtest-output-perl libcwd-guard-perl libmouse-perl libmodule-build-xsutil-perl libfile-copy-recursive-reduced-perl libdevel-checkcompiler-perl libextutils-helpers-perl libextutils-installpaths-perl libextutils-config-perl libtest-number-delta-perl libwww-perl libtest-needs-perl libnet-http-perl libhttp-daemon-perl libwww-robotrules-perl libfile-listing-perl libtest-requiresinternet-perl libhttp-negotiate-perl libdatetime-locale-perl libspecio-perl libfile-sharedir-install-perl
+      - name: checkout
+        uses: actions/checkout@v2
+      - name: configure
+        run: |
+          perl Makefile.PL
+      - name: build
+        run: |
+            make -j2
+      - name: test
+        run: |
+            HARNESS_OPTIONS=j2 IMAGER_AUTHOR_TESTING=1 make test
+      - name: install
+        run: sudo make install
+      - name: Imager-File-WEBP
+        run: cpanm --sudo -v Imager::File::WEBP
+      - name: Imager-File-APNG
+        run: cpanm --sudo -v Imager::File::APNG
+      - name: Imager-File-QOI
+        run: cpanm --sudo -v Imager::File::QOI
+      - name: Imager-File-HEIF
+        run: cpanm --sudo -v Imager::File::HEIF
+      - name: Music::FretboardDiagram
+        run: cpanm --sudo -v Music::FretboardDiagram
+      - name: Image::PHash
+        run: cpanm --sudo -v Image::PHash
+      - name: Geo::OSM::Imager
+        run: cpanm --sudo -v Geo::OSM::Imager
+      - name: Imager::IMBarcode::JP
+        run: cpanm --sudo -v Imager::IMBarcode::JP
+      # https://rt.cpan.org/Public/Bug/Display.html?id=136799
+      #- name: Graphics::Framebuffer
+      #  run: cpanm --sudo-v Graphics::Framebuffer
+      # needs perl 5.32, and ubuntu is 5.30
+      #- name: Games::Simutrans::Pakset
+      #  run: cpanm --sudo -v Games::Simutrans::Pakset
+      - name: Tree::Cladogram
+        run: cpanm --sudo -v Tree::Cladogram
+      - name: Image::Checkerboard
+        run: cpanm --sudo -v Image::Checkerboard
+      - name: Image::Base::Imager
+        run: cpanm --sudo -v Image::Base::Imager
+      - name: Imager::Filter::Statistic
+        run: cpanm --sudo -v Imager::Filter::Statistic
+      - name: Imager::Barcode128
+        run: cpanm --sudo -v Imager::Barcode128
+      - name: Imager::Filter::Autocrop
+        run: cpanm --sudo -v Imager::Filter::Autocrop
+      - name: Imager::Filter::Bakumatsu
+        run: cpanm --sudo -v Imager::Filter::Bakumatsu
+      - name: Imager::Trim
+        run: cpanm --sudo -v Imager::Trim
+      - name: Ham::WorldMap
+        run: cpanm --sudo -v Ham::WorldMap
+      - name: Image::Select
+        run: cpanm --sudo -v Image::Select
+      - name: Imager::Filter::Statistic
+        run: cpanm --sudo -v Imager::Filter::Statistic
+      - name: Imager::QRCode
+        run: cpanm --sudo -v Imager::QRCode
+      - name: Image::JpegMinimal
+        run: cpanm --sudo -v Image::JpegMinimal
+      - name: Acme::DreamyImage
+        run: cpanm --sudo -v Acme::DreamyImage

MANIFEST.SKIP

@@ -48,7 +48,7 @@
 
 
 # trash left by Inline::C
-^_Inline/
+\b_Inline/
 
 # distributions built
 ^Imager-\d\.\d+(_\d+)?\.tar\.gz$