From b5322a95aad40429c766fe72fc0dc1966b3cc20b Mon Sep 17 00:00:00 2001
From: Robert Winkler <rwinkler@antmicro.com>
Date: Thu, 10 Sep 2020 19:25:58 +0200
Subject: [PATCH] Setup build environment using make-env

Signed-off-by: Robert Winkler <rwinkler@antmicro.com>
---
 .gitignore      |  1 +
 Makefile        | 35 +++++++++++++++--------------------
 enter-env.sh    | 24 ------------------------
 environment.yml |  2 +-
 4 files changed, 17 insertions(+), 45 deletions(-)
 delete mode 100644 enter-env.sh

diff --git a/.gitignore b/.gitignore
index 17a02b0..031df4e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 build/
+env/
 *.pyc
 *.sw*
diff --git a/Makefile b/Makefile
index ed05fc0..2224752 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,18 @@
-# Makefile for Sphinx documentation
+# make-env setup -------------------------------------------------------------
+
+TOP_DIR := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
+
+# A pip `requirements.txt` file.
+# https://pip.pypa.io/en/stable/reference/pip_install/#requirements-file-format
+REQUIREMENTS_FILE := requirements.txt
 #
+# A conda `environment.yml` file.
+# https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html
+ENVIRONMENT_FILE := environment.yml
+
+include third_party/make-env/conda.mk
+
+# Makefile for Sphinx documentation ------------------------------------------
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
@@ -12,9 +25,6 @@ PAPEROPT_a4     = -D latex_paper_size=a4
 PAPEROPT_letter = -D latex_paper_size=letter
 ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) source
 
-CONDA_DIR       = build/conda
-CONDA_ENV_FILE  = environment.yml
-
 DOXYGEN_DIR     = build/doxygen
 
 .PHONY: help clean html dirhtml singlehtml pickle json htmlhelp epub latex latexpdf text man changes linkcheck doctest env
@@ -36,9 +46,8 @@ help:
 	@echo "  linkcheck  to check all external links for integrity"
 	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
 	@echo "  env        to create a conda environment with the needed packages"
-	@echo "  env-clean  to remove the conda environment"
 
-clean:
+clean::
 	-rm -rf $(BUILDDIR)/
 	-rm -rf $(DOXYGEN_DIR)/
 
@@ -118,17 +127,3 @@ doctest:
 	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
 	@echo "Testing of doctests in the sources finished, look at the " \
 	      "results in $(BUILDDIR)/doctest/output.txt."
-
-env:
-	@rm -rf $(CONDA_DIR)
-	@mkdir -p $(CONDA_DIR)
-	@wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh\
-		-O $(CONDA_DIR)/miniconda.sh
-	@bash $(CONDA_DIR)/miniconda.sh -f -b -p  $(CONDA_DIR) > /dev/null &&\
-		echo "Conda environment created successfully..."
-	@./$(CONDA_DIR)/bin/conda env create -q -f $(CONDA_ENV_FILE) > /dev/null &&\
-		echo "Conda packages installed successfully..."
-	@echo "To use conda environment type:\nsource enter-env.sh"
-
-env-clean:
-	@rm -rf $(CONDA_DIR)
diff --git a/enter-env.sh b/enter-env.sh
deleted file mode 100644
index ed45947..0000000
--- a/enter-env.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/bash
-
-if [ ! -n "${BASH_VERSION}" ]; then
-    echo "This script has to be sourced in bash!"
-    exit 1
-fi
-
-[[ "${BASH_SOURCE[0]}" != "${0}" ]] && SOURCED=1 || SOURCED=0
-if [ ${SOURCED} == 0 ]; then
-    echo "This script has to be sourced!"
-    exit 1
-fi
-
-CONDA_DIR=${PWD}/build/conda
-CONDA_DIR_NAME=SymbiFlow-docs
-
-export PATH="${CONDA_DIR}/bin:$PATH"
-
-# Use Conda hook for user shell
-SHELL_NAME=`basename $SHELL`
-CONDA_HOOK_COMMAND="${CONDA_DIR}/bin/conda shell.${SHELL_NAME} hook"
-eval "$(${CONDA_HOOK_COMMAND})"
-
-conda activate ${CONDA_DIR_NAME}
diff --git a/environment.yml b/environment.yml
index f7ff1d6..18ebf2a 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,4 +1,4 @@
-name: SymbiFlow-docs
+name: symbiflow-docs
 channels:
   - symbiflow
   - conda-forge