dotfiles/.githooks/prepare-commit-msg
Marty Oehme 1a05ea8445
bootstrap: Split packages into stable and testing lists
Split the lists into two, with testing getting automatically updated on
packages added (and removed, but only if the package to be removed is
*not* in stable packages already).

This way, I can always be sure that I have my stable setup in the
repository, but packages that I am temporarily testing have a place
without being forgotten and I can more easily change them around until
they find a place in stable or get thrown out.
2023-01-16 18:47:47 +01:00

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#!/usr/bin/env bash
COMMIT_MSG_FILE="$1"
COMMIT_SOURCE="$2"
BOOTSTRAPDIR="bootstrap"
pkg_committed="$(cat "$(git rev-parse --show-toplevel)"/$BOOTSTRAPDIR/packages*.tsv | grep -v -e '^Name Description Source Target' | cut -f1 | sort)"
pkg_onsystem=$(pacman -Qqett | grep -v "$(pacman -Qqg base-devel)" | sort)
# get files only in repo, and only on machine
only_committed=$(comm -23 <(echo "$pkg_committed") <(echo "$pkg_onsystem"))
only_onsystem=$(comm -13 <(echo "$pkg_committed") <(echo "$pkg_onsystem"))
# if we have no changes, do nothing
if [ -n "$only_onsystem" ] || [ -n "$only_committed" ]; then
text=$(printf "\-- PACKAGE CHANGES --\nPackages on machine but not committed:\n%s\n\nPackages committed but not on machine:\n%s\n" "$only_onsystem" "$only_committed" | sed 's/^/# /gm')
else
exit 0
fi
# prepend package changes to message
case $COMMIT_SOURCE in
"" | message, | template,)
msg=$(echo "$text" | cat - "$COMMIT_MSG_FILE")
printf "%s" "$msg" >"$COMMIT_MSG_FILE"
;;
esac