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#!/bin/sh
# Source: https://gitlab.gnome.org/GNOME/fractal/blob/master/hooks/pre-commit.hook
install_rustfmt() {
if ! which rustup >/dev/null 2>&1; then
curl https://sh.rustup.rs -sSf | sh -s -- -y
export PATH=$PATH:$HOME/.cargo/bin
if ! which rustup >/dev/null 2>&1; then
echo "Failed to install rustup. Performing the commit without style checking."
exit 0
fi
fi
if ! rustup component list|grep rustfmt >/dev/null 2>&1; then
echo "Installing rustfmt…"
rustup component add rustfmt
fi
}
if ! which cargo >/dev/null 2>&1 || ! cargo fmt --help >/dev/null 2>&1; then
echo "Unable to check the project’s code style, because rustfmt could not be run."
if [ ! -t 1 ]; then
# No input is possible
echo "Performing commit."
exit 0
fi
echo ""
echo "y: Install rustfmt via rustup"
echo "n: Don't install rustfmt and perform the commit"
echo "Q: Don't install rustfmt and abort the commit"
echo ""
while true
do
printf "%s" "Install rustfmt via rustup? [y/n/Q]: "; read yn < /dev/tty
case $yn in
[Yy]* ) install_rustfmt; break;;
[Nn]* ) echo "Performing commit."; exit 0;;
[Qq]* | "" ) echo "Aborting commit."; exit 1 >/dev/null 2>&1;;
* ) echo "Invalid input";;
esac
done
fi
echo "--Checking style--"
cargo fmt --all -- --check
if test $? != 0; then
echo "--Checking style fail--"
echo "Please fix the above issues, either manually or by running: cargo fmt --all"
exit 1
else
echo "--Checking style pass--"
fi
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