pass drone tag to setuptools_scm

.drone.jsonnet

@@ -3,6 +3,7 @@ local PythonVersion(pyversion='3.5') = {
   image: 'python:' + pyversion,
   environment: {
     PY_COLORS: 1,
+    SETUPTOOLS_SCM_PRETEND_VERSION: '${DRONE_TAG##v}',
   },
   commands: [
     'pip install -qq .',
@@ -173,6 +174,9 @@ local PipelineBuildPackage = {
     {
       name: 'build',
       image: 'python:3.7',
+      environment: {
+        SETUPTOOLS_SCM_PRETEND_VERSION: '${DRONE_TAG##v}',
+      },
       commands: [
         'python setup.py sdist bdist_wheel',
       ],
@@ -234,6 +238,9 @@ local PipelineBuildContainer(arch='amd64') = {
       commands: [
         'python setup.py bdist_wheel',
       ],
+      environment: {
+        SETUPTOOLS_SCM_PRETEND_VERSION: '${DRONE_TAG##v}',
+      },
     },
     {
       name: 'dryrun',

.drone.yml

@@ -105,6 +105,7 @@ steps:
   - docker-tidy --version
   environment:
     PY_COLORS: 1
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
   depends_on:
   - clone
 
@@ -116,6 +117,7 @@ steps:
   - docker-tidy --version
   environment:
     PY_COLORS: 1
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
   depends_on:
   - clone
 
@@ -127,6 +129,7 @@ steps:
   - docker-tidy --version
   environment:
     PY_COLORS: 1
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
   depends_on:
   - clone
 
@@ -138,6 +141,7 @@ steps:
   - docker-tidy --version
   environment:
     PY_COLORS: 1
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
   depends_on:
   - clone
 
@@ -190,6 +194,8 @@ steps:
   image: python:3.7
   commands:
   - python setup.py sdist bdist_wheel
+  environment:
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
 
 - name: checksum
   image: alpine
@@ -246,6 +252,8 @@ steps:
   image: python:3.7
   commands:
   - python setup.py bdist_wheel
+  environment:
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
 
 - name: dryrun
   image: plugins/docker:18-linux-amd64
@@ -299,6 +307,8 @@ steps:
   image: python:3.7
   commands:
   - python setup.py bdist_wheel
+  environment:
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
 
 - name: dryrun
   image: plugins/docker:18-linux-arm64
@@ -352,6 +362,8 @@ steps:
   image: python:3.7
   commands:
   - python setup.py bdist_wheel
+  environment:
+    SETUPTOOLS_SCM_PRETEND_VERSION: ${DRONE_TAG##v}
 
 - name: dryrun
   image: plugins/docker:18-linux-arm
@@ -528,6 +540,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 49adcc2d9a98d979952ca688fa4ea2c013747a7bc8f2b94c507ef83410b27e45
+hmac: db08f11618d3ac957b55287ac41ae743df3d3b9a87a68cda3b25c1add3f0c346
 
 ...