trigger-pipeline tag support #89 (#90)

* trigger-pipeline tag support #89

Author: russelltaga

scripts/trigger-pipeline.sh

@@ -19,18 +19,28 @@ cat > /tmp/swissknife/trigger_pipeline.sh <<'EOF'
   export vcs_type="$1";
   export username="$2";
   export reponame="$3";
-  export branch="$4";
-  export params="$5";
+  if [[ $4 == "-t" ]]; then
+    export tag="$5";
+    export params="$6";
+    export body='{
+      "tag": "'$tag'",
+      "parameters": '"$params"'
+    }';
+  else
+    export branch="$4";
+    export params="$5";
+    export body='{
+      "branch": "'$branch'",
+      "parameters": '"$params"'
+    }';
+  fi
 
   trigger_workflow() {
     curl --silent -X POST \
       "https://circleci.com/api/v2/project/$vcs_type/$username/$reponame/pipeline?circle-token=${CIRCLE_TOKEN}" \
       -H 'Accept: */*' \
       -H 'Content-Type: application/json' \
-      -d '{
-        "branch": "'$branch'",
-        "parameters": '"$params"'
-      }'
+      -d "${body}"
   }
 
   trigger_workflow
@@ -44,7 +54,12 @@ chmod +x /tmp/swissknife/trigger_pipeline.sh
 PARAM_USER=$(printf '%s\n' "${!PARAM_USER_ENV_VAR}")
 PARAM_REPO=$(printf '%s\n' "${!PARAM_REPO_ENV_VAR}")
 PARAM_BRANCH=$(printf '%s\n' "${!PARAM_BRANCH_ENV_VAR}")
+PARAM_TAG=$(printf '%s\n' "${!PARAM_TAG_ENV_VAR}")
 
 if [[ "$SKIP_TRIGGER" == "0" || "$SKIP_TRIGGER" == "false" ]]; then
-  /tmp/swissknife/trigger_pipeline.sh "$VCS_TYPE" "$PARAM_USER" "$PARAM_REPO" "$PARAM_BRANCH" "$CUSTOM_PARAMS"
+  if [[ "$PARAM_BRANCH_ENV_VAR" != "" ]]; then
+    /tmp/swissknife/trigger_pipeline.sh "$VCS_TYPE" "$PARAM_USER" "$PARAM_REPO" "$PARAM_BRANCH" "$CUSTOM_PARAMS"
+  else
+    /tmp/swissknife/trigger_pipeline.sh "$VCS_TYPE" "$PARAM_USER" "$PARAM_REPO" -t "$PARAM_TAG" "$CUSTOM_PARAMS"
+  fi
 fi

src/commands/trigger-pipeline.yml

@@ -1,8 +1,10 @@
 description: |
-  Triggers a pipeline on given branch. Also allows to installthe trigger script and not trigger into
+  Triggers a pipeline on given branch. Also allows to install the trigger script and not trigger into
   /tmp/swissknife/trigger_pipeline.sh
   it can be called with the arguments as follows
   /tmp/swissknife/trigger_pipeline.sh vcstype username reponame branch '{"custom_params": "here"}'
+  OR
+  /tmp/swissknife/trigger_pipeline.sh vcstype username reponame -t tag '{"custom_params": "here"}'
 parameters:
   repo-name:
     type: env_var_name
@@ -20,6 +22,10 @@ parameters:
     description: The branch to trigger the pipeline on
     type: env_var_name
     default: CIRCLE_BRANCH
+  tag:
+    description: The tag to trigger the pipeline on
+    type: env_var_name
+    default: CIRCLE_TAG
   custom-parameters:
     description: Custom parameters passed to the pipeline
     type: string
@@ -37,5 +43,6 @@ steps:
         PARAM_USER_ENV_VAR: << parameters.user >>
         PARAM_REPO_ENV_VAR: << parameters.repo-name >>
         PARAM_BRANCH_ENV_VAR: << parameters.branch >>
+        PARAM_TAG_ENV_VAR: << parameters.tag >>
         CUSTOM_PARAMS: << parameters.custom-parameters >>
       command: << include(../scripts/trigger-pipeline.sh) >>