exercises/patches/eowyn.sh
Manlio Perillo fd6f3eebbb eowyn.sh: set the -e option
Currently, `zig fmt` exit status is ignored, making it useless.
Ensure that the script terminates early if there is an error.

Print a message to stdout before executing `zig fmt`, in order to make
the possible error more visible.
2023-04-25 14:52:05 +02:00

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Executable file

#!/bin/bash
#
# "I will be a shieldmaiden no longer,
# nor vie with the great Riders, nor
# take joy only in the songs of slaying.
# I will be a healer, and love all things
# that grow and are not barren."
# Éowyn, The Return of the King
#
#
# This script shall heal the little broken programs
# using the patches in this directory and convey them
# to convalesce in the healed directory.
#
set -e
# We check ourselves before we wreck ourselves.
if [ ! -f patches/eowyn.sh ]
then
echo "But I must be run from the project root directory."
exit 1
fi
# Create directory of healing if it doesn't already exist.
mkdir -p patches/healed
# Cycle through all the little broken Zig applications.
for broken in exercises/*.zig
do
# Remove the dir and extension, rendering the True Name.
true_name=$(basename "$broken" .zig)
patch_name="patches/patches/$true_name.patch"
if [ -f "$patch_name" ]
then
# Apply the bandages to the wounds, grow new limbs, let
# new life spring into the broken bodies of the fallen.
echo Healing "$true_name"...
patch --output="patches/healed/$true_name.zig" "$broken" "$patch_name"
else
echo Cannot heal "$true_name". No patch found.
fi
done
echo "Looking for non-conforming code formatting..."
zig fmt --check patches/healed
# Test the healed exercises. May the compiler have mercy upon us.
zig build -Dhealed