freebsd-ports/.hooks/pre-commit.d/check_portepoch
Luca Pizzamiglio 302c208fc5 Component: git hooks
Add common error function in hooks
Error messages are printed in stderr

Reviewed By: tcberner, #portmgr
Differential Revision: https://reviews.freebsd.org/D38026
2023-01-12 22:09:50 +01:00

32 lines
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#!/bin/sh
#
# Check that PORTEPOCH is not being dropped, and is non-decreasing
#
common_functions="$(realpath "$(dirname "$0")")/common.sh"
if [ -r "${common_functions}" ]; then
. "${common_functions}"
fi
check_epoch() {
local makefile="$1"
local old_epoch=$(git diff --cached -U0 "${makefile}" | grep '^-PORTEPOCH.*=' | grep -oE '[0-9]+')
local new_epoch=$(git diff --cached -U0 "${makefile}" | grep '^+PORTEPOCH.*=' | grep -oE '[0-9]+')
if [ -z "${new_epoch}" -a -n "${old_epoch}" ] ; then
pre_commit_error "dropped PORTEPOCH ${old_epoch} in ${makefile}"
exit 1
fi
if [ -n "${old_epoch}" ] ; then
if [ ${new_epoch} -lt ${old_epoch} ] ; then
pre_commit_error "PORTEPOCH decreasing from ${old_epoch} to ${new_epoch} in ${makefile}"
exit 2
fi
fi
}
modified_makefiles=$(git diff --name-only --cached --diff-filter=M -GPORTEPOCH | grep -E '^[^/]+/[^/]+/Makefile$')
if [ $? -eq 0 ] ; then
for modified_makefile in ${modified_makefiles} ; do
check_epoch ${modified_makefile}
done
fi