[Breaking] Allow multiple git commands

Dockerfile

@@ -8,7 +8,7 @@ LABEL "com.github.actions.color"="yellow"
 LABEL "repository"="http://github.com/srt32/git-actions"
 LABEL "homepage"="http://github.com/srt32/git-actions"
 
-RUN apk add --no-cache git bash git-subtree
+RUN apk add --no-cache git git-subtree
 
 ADD entrypoint.sh /
 RUN chmod +x /entrypoint.sh

README.md

@@ -1,6 +1,6 @@
 # GitHub Action for running git commands
 
-You can run any `git` command you need. For example, you could run `git status` like this.
+You can run any `git` commands you need. For example, you could run `git status` like this.
 
 ```hcl
 workflow "My build" {
@@ -12,6 +12,22 @@ workflow "My build" {
 
 action "git command" {
   uses = "srt32/[email protected]"
-  args = "git status"
+  args = ["status"]
+}
+```
+
+You can also run multiple git commands like so:
+
+```hcl
+workflow "My build" {
+  resolves = [
+    "git command",
+  ]
+  on = "push"
+}
+
+action "git command" {
+  uses = "srt32/[email protected]"
+  args = ["status", "show"]
 }
 ```

entrypoint.sh

@@ -1,10 +1,13 @@
-#!/bin/bash
-set -e
+#!/bin/sh
 
-echo "#################################################"
-echo "Starting the git Action"
-
-sh -c "$*"
-
-echo "#################################################"
-echo "Completed the git Action"
+for cmd in "$@"; do
+    echo "Running 'git $cmd'..."
+    if sh -c "git $cmd"; then
+        # no op
+        echo "Successfully ran 'git $cmd'"
+    else
+        exit_code=$?
+        echo "Failure running 'git $cmd', exited with $exit_code"
+        exit $exit_code
+    fi
+done