fix(docker): Work around GH Actions env limitations, copied from Font…

…ship

Dockerfile

@@ -36,9 +36,9 @@ ARG VCS_REF=0
 COPY ./ /src
 WORKDIR /src
 
-RUN git clean -dxf ||:
-RUN git fetch --unshallow ||:
-RUN git fetch --tags ||:
+# GitHub Actions builder stopped providing git history :(
+# See feature request at https://github.com/actions/runner/issues/767
+RUN build-aux/bootstrap-docker.sh
 
 RUN ./bootstrap.sh
 RUN ./configure

Makefile.am

@@ -9,7 +9,7 @@ datadir = $(datarootdir)/$(_casile)
 dist_doc_DATA = README.md CHANGELOG.md
 dist_license_DATA = LICENSE.txt
 
-EXTRA_DIST = package.json yarn.lock Dockerfile build-aux/cargo-updater.js
+EXTRA_DIST = package.json yarn.lock Dockerfile build-aux/cargo-updater.js build-aux/bootstrap-docker.sh
 
 bin_PROGRAMS = casile
 

build-aux/bootstrap-docker.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env sh
+set -e
+
+# GitHub Actions runner gives us jack squat
+if [ ! -e ".git" ]; then
+    jq -Mer '.version + "-unknown"' package.json > .tarball-version
+
+# Docker Hub gives us a Git working directory, but with depth=1
+else
+    git fetch --unshallow ||:
+    git fetch --tags ||:
+fi