Move mdbook generation into separate script.

Author: frewsxcv

.travis.yml

@@ -1,16 +1,8 @@
 language: rust
 script:
   - (cargo install mdbook --git https://github.com/azerupi/mdBook.git --force || true)
-  - mkdir src
-  - echo "[Introduction](introduction.md)\n" >> src/SUMMARY.md
-  - |
-    for f in $(ls text/* | sort)
-    do
-        echo "- [$(basename $f ".md")]($(basename $f))" >> src/SUMMARY.md
-        mv $f src
-    done
-  - cp README.md src/introduction.md
-  - mdbook build -d .
+  - ./generate-book.sh
+  - mv book/* .
 deploy:
   provider: pages
   skip_cleanup: true

generate-book.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -d src ]; then
+    mkdir src
+fi
+
+echo "[Introduction](introduction.md)\n" > src/SUMMARY.md
+
+for f in $(ls text/* | sort)
+do
+    echo "- [$(basename $f ".md")]($(basename $f))" >> src/SUMMARY.md
+    cp $f src
+done
+
+cp README.md src/introduction.md
+
+mdbook build