fix issue with missing author and email

README.md

@@ -0,0 +1,24 @@
+# drone-git
+
+Drone plugin to clone `git` repositories.
+
+## Build
+
+Build the Docker image with the following commands:
+
+```
+docker build --rm -f docker/Dockerfile.linux.amd64 -t drone/git .
+```
+
+## Usage
+
+Clone a commit:
+
+```
+docker run --rm \
+  -e DRONE_REMOTE_URL=https://github.com/drone/envsubst.git \
+  -e DRONE_BUILD_EVENT=push \
+  -e DRONE_COMMIT_SHA=15e3f9b7e16332eee3bbdff9ef31f95d23c5da2c \
+  -e DRONE_COMMIT_BRANCH=master \
+  drone/git
+```

posix/clone

@@ -32,10 +32,19 @@ fi
 # configure git global behavior and parameters via the
 # following environment variables:
 
-export GIT_AUTHOR_NAME=${DRONE_COMMIT_AUTHOR_NAME=drone}
-export GIT_AUTHOR_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost}
-export GIT_COMMITTER_NAME=${GIT_AUTHOR_NAME}
-export GIT_COMMITTER_EMAIL=${GIT_AUTHOR_EMAIL}
+
+if [[ -z "${GIT_AUTHOR_NAME}" ]]; then
+	export DRONE_COMMIT_AUTHOR_NAME=drone
+fi
+
+if [[ -z "${GIT_AUTHOR_EMAIL}" ]]; then
+	export DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost
+fi
+
+export GIT_AUTHOR_NAME=${DRONE_COMMIT_AUTHOR_NAME}
+export GIT_AUTHOR_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
+export GIT_COMMITTER_NAME=${DRONE_COMMIT_AUTHOR_NAME}
+export GIT_COMMITTER_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
 # GIT_SSL_NO_VERIFY=
 
 

posix/clone-pull-request

@@ -17,4 +17,4 @@ git fetch ${FLAGS} origin +refs/heads/${DRONE_COMMIT_BRANCH}:
 git checkout ${DRONE_COMMIT_BRANCH}
 
 git fetch origin ${DRONE_COMMIT_REF}:
-git rebase ${DRONE_COMMIT_SHA}
+git merge ${DRONE_COMMIT_SHA}