Add github action to build juicefs and libjfs.so

.github/workflows/on-push.yaml

@@ -18,6 +18,18 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Get Denpendent JuiceFS Version
+        id: jfs-version
+        run: echo "::set-output name=JUICEFS_VERSION::$(make -s print_jfs_version)"
+      - name: Cache juicefs and libjfs.so
+        id: jfs-cache
+        uses: actions/cache@v2
+        with:
+          path: ./juicefs/lib
+          key: ${{ matrix.os }}-jfs${{ steps.jfs-version.outputs.JUICEFS_VERSION }}
+          restore-keys: |
+            ${{ matrix.os }}-jfs-
+            ${{ matrix.os }}-
       - name: Cache pip
         id: pip-cache
         uses: actions/cache@v2
@@ -27,6 +39,11 @@ jobs:
           restore-keys: |
             ${{ matrix.os }}-pip-
             ${{ matrix.os }}-
+      - name: Build juicefs and libjfs.so
+        if: steps.jfs-cache.outputs.cache-hit != 'true'
+        run: |
+          make build_juicefs
+          make build_libjfs
       - name: Install package dependencies
         if: steps.pip-cache.outputs.cache-hit != 'true'
         run: |

Makefile

@@ -2,6 +2,9 @@ PACKAGE := juicefs
 VERSION := $(shell cat juicefs/version.py | sed -n -E 's/^VERSION = "(.+?)"/\1/p')
 JUICEFS_VERSION := 0.14.2
 
+print_jfs_version:
+	echo ${JUICEFS_VERSION}
+
 clean:
 	rm -rf dist build *.egg-info .pytype .pytest_cache .pytype_output
 

README.md

@@ -32,10 +32,17 @@ Clone the repository:
 git clone git@github.com:megvii-research/juicefs-python.git
 ```
 
-And then install requirements:
+And then build `juicefs` ans `libjfs.so`:
 
 ```
 cd juicefs-python
+make build_juicefs
+make build_libjfs
+```
+
+finally, install requirements:
+
+```
 pip install -r requirements.txt
 ```