Implement shebang overwriting

This patch implements the shebang overwriting functionality that was in
a TODO note.

It adds a `Shebang` type for it, which is a String wrapper.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/config.toml b/config.toml
index 387deb0..8560c87 100644
--- a/config.toml
+++ b/config.toml
@@ -10,6 +10,11 @@
 progress_format = "[{elapsed_precise}] ({percent:>3}%): {bar:40.cyan/blue} | {msg}"
 
 
+# The shebang line used when compiling the packaging scripts
+# Default if this value is not set is "#!/bin/bash".
+# Can be overwritten temporarily via CLI
+script_shebang = "#!/bin/bash"
+
 # The theme for the highlighting engine when printing the script that ran inside
 # a container.
 #