Let shell scripts be called from any directory (#966)

generate-assets/generate_assets.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Switch to script's directory, letting it be called from any folder.
+cd $(dirname $0)
+
 git clone --depth=1 https://github.com/bevyengine/bevy-assets assets
 
 cargo run --release --bin generate -- assets ../content

generate-community/generate_community.sh

@@ -1,5 +1,10 @@
 #!/bin/sh
 
+# Switch to script's directory, letting it be called from any folder.
+cd $(dirname $0)
+
+# Download a copy of the Bevy community repository.
+# FIXME: Can this be shortened to git clone --depth=1?
 git init bevy-community
 cd bevy-community
 git remote add origin https://github.com/bevyengine/bevy-community

generate-errors/generate_errors.sh

@@ -1,5 +1,9 @@
 #!/bin/sh
 
+# Switch to script's directory, letting it be called from any folder.
+cd $(dirname $0)
+
+# Only download the `errors` folder from the main Bevy repository.
 git init bevy
 cd bevy
 git remote add origin https://github.com/bevyengine/bevy

generate-wasm-examples/clone_bevy.sh

@@ -1,5 +1,9 @@
 #!/bin/sh
 
+# Switch to script's directory, letting it be called from any folder.
+cd $(dirname $0)
+
+# FIXME: Can this be shortened to git clone --depth=1?
 git init bevy
 cd bevy
 git remote add origin https://github.com/bevyengine/bevy

generate-wasm-examples/generate_wasm_examples.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Switch to script's directory, letting it be called from any folder.
+cd $(dirname $0)
+
 ./clone_bevy.sh
 
 # temporary: fetch tools from main branch

write-rustdoc-hide-lines/write_rustdoc_hide_lines.sh

@@ -1,3 +1,7 @@
 #!/bin/sh
+
+# Switch to script's directory, letting it be called from any folder.
+cd $(dirname $0)
+
 cargo run --release -- ../content/learn/book
 cargo run --release -- ../content/learn/quick-start