Fetch cheat sheets without installing cht.sh.txt

Dockerfile

@@ -9,7 +9,9 @@ RUN apk add --update --no-cache python2 py2-pip py2-gevent \
     && pip install -r requirements.txt \
     && apk del build-deps
 COPY . /app
-RUN apk add --update --no-cache curl git py2-virtualenv \
-    && ./share/cht.sh.txt --standalone-install
+# fetching cheat sheets
+RUN apk add --update --no-cache git \
+    && mkdir -p /root/.cheat.sh/log/ \
+    && python2 lib/fetch.py fetch-all
 ENTRYPOINT ["python2"]
 CMD ["bin/srv.py"]

lib/fetch.py

@@ -56,7 +56,11 @@ def fetch_all(skip_existing=True):
 
             sys.stdout.write("Fetching %s..." % (adptr))
             sys.stdout.flush()
-            process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+            try:
+                process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+            except OSError:
+                print("\nERROR: %s" % cmd)
+                raise
             output = process.communicate()[0]
             if process.returncode != 0:
                 sys.stdout.write("\nERROR:\n---\n" + output)