Makefile: move out maintenance stuff into a separate script

2 files changed, 55 insertions, 17 deletions

diff --git a/Makefile b/Makefile
index 83b4bd6..9b0e8ba 100644
--- a/Makefile
+++ b/Makefile
@@ -19,23 +19,7 @@ deps: ruby
 
 .PHONY: maintenance
 maintenance: ruby
-	bundle config set frozen false
-	bundle update
-
-	@git_status="$$( git status --porcelain=v1 )" && \
-	if [ -z "$$git_status" ]; then \
-		true; \
-	elif [ "$$git_status" = ' M Gemfile.lock' ]; then \
-		git commit -am 'bump dependencies' && \
-			git push -q; \
-	else \
-		echo; \
-		echo '-----------------------------------------------------------------'; \
-		echo 'Error: unrecognized modifications in the repository:'; \
-		echo "$$git_status"; \
-		echo '-----------------------------------------------------------------'; \
-		exit 1; \
-	fi
+	./scripts/maintenance.sh
 
 jekyll := bundle exec jekyll
 
diff --git a/scripts/maintenance.sh b/scripts/maintenance.sh
new file mode 100755
index 0000000..0a66204
--- /dev/null
+++ b/scripts/maintenance.sh
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+set -o errexit -o nounset -o pipefail
+shopt -s inherit_errexit lastpipe
+
+script_path="$( readlink --canonicalize-existing -- "${BASH_SOURCE[0]}" )"
+readonly script_path
+script_dir="$( dirname -- "$script_path" )"
+readonly script_dir
+
+update_gems() {
+    echo
+    echo ======================================================================
+    echo Updating gems
+    echo ======================================================================
+    bundle config set frozen false
+    bundle update
+    echo ----------------------------------------------------------------------
+}
+
+push_changes() {
+    echo
+    echo ======================================================================
+    echo Pushing changes
+    echo ======================================================================
+
+    local git_status
+    git_status="$( git status --porcelain=v1 )"
+
+    if [ -z "$git_status" ]; then
+        echo 'No changes.'
+        echo ----------------------------------------------------------------------
+        return
+    fi
+
+    if [ "$git_status" != ' M Gemfile.lock' ]; then
+        echo 'Error: unrecognized modifications in the repository:'
+        echo "$git_status"
+        echo ----------------------------------------------------------------------
+        return 1
+    fi
+
+    git commit -am 'bump dependencies'
+    git push -q
+    echo ----------------------------------------------------------------------
+}
+
+main() {
+    cd -- "$script_dir/.."
+    update_gems
+    push_changes
+}
+
+main