dotfiles/.githooks/prepare-commit-msg
Marty Oehme 42560c04eb
Move bootstrap dir to conform to dotfile structure
Removed underscore from bootstrap directory, since the repository does
not organize itself through underscore prefixes anymore.

Fixed package gathering git-hook to respect new bootstrap directory.
2020-02-11 10:28:20 +01:00

59 lines
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Executable file

#!/usr/bin/env sh
COMMIT_MSG_FILE="$1"
COMMIT_SOURCE="$2"
BOOTSTRAPDIR="bootstrap"
pkgfileloc="$(git rev-parse --show-toplevel)/$BOOTSTRAPDIR/packages.txt"
pkgignoreloc="$(git rev-parse --show-toplevel)/$BOOTSTRAPDIR/packages_ignore.txt"
listgen="yay"
err() {
printf "\x1b[33mCAUTION:\x1b[0m %s\n" "$*"
exit 1
}
if [ ! -f "$pkgfileloc" ]; then
err "File not found - $pkgfileloc, can not determine package differences!"
fi
if ! type "$listgen" >/dev/null 2>&1; then
err "Yay not installed on machine, can not reliably determine package differences!"
fi
# get commited packages, remove empty lines
# and lines beginning with # to allow comments
pkgcommited=$(mktemp)
sed -e '/^[#$]/d' <"$pkgfileloc" | sort >"$pkgcommited"
# get packages on this machine
# q removes extraneous info
# e only lists explicitly installed
# tt removes those that are depended on, but NOT those optionally depended on
pkgcurrent=$(yay -Qqett | sort)
# remove those listed in package_ignore.txt
if [ -f "$pkgignoreloc" ]; then
pkgcurrent=$(echo "$pkgcurrent" | comm -23 - "$pkgignoreloc")
fi
# compare the lists, list differences
result=$(echo "$pkgcurrent" | comm -3 - "$pkgcommited")
# get files only in repo (field1), and only on machine (field2)
added=$(echo "$result" | cut -f1 | sed -e '/^$/d')
removed=$(echo "$result" | cut -s -f2)
# if we have no changes, do nothing
if [ -n "$added" ] || [ -n "$removed" ]; then
text=$(printf "\-- PACKAGE DIFFERENCES TO COMMITED LIST FOUND --\nPackages NOT YET in repo:\n%s\n\nPackages ONLY in repo:%s\n" "$added" "$removed" | 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