Revamp Makefile

.env

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+# Language code as supported by Sphinx:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-language
+LANGUAGE            ?= pt_BR
+
+# Branch used in the project and in CPython
+BRANCH              := 3.11
+
+############################
+# Environment variables for 'merge' target
+############################
+#
+# Version(s) that still receive(s) bug fixes, not only security-related fixes.
+# Versions in this variable will have their translation replaced with changes
+# in currently active version being translated. These will have pomerge's
+# --overwrite flag set.
+BUGFIXBRANCH        ?= 3.10
+
+# Version(s) that are considered security fixes or EOL. Let's make them more
+# stable, with more predictable state. These versions will not have translated
+# strings replaced with translations update. These will have pomerge's
+# --no-overwrite flag set.
+OLDERBRANCHES       ?= 3.9 3.8 3.7 3.6 2.7
+#
+############################
+
+
+############################
+# Environment variables for 'build' target
+############################
+#
+# If set to -W, warnings will be considered as errors.
+# Set to "" keep warnings as is.  
+SPHINXERRORHANDLING := "-W"
+#
+############################
+
+###########################
+# Environment variables for 'tx-install' target
+###########################
+#
+# Specific Transifex CLI Client version to install.
+# If unset, latest version will be used. 
+TX_CLI_VERSION      ?= '1.6.7'
+
+# Install directory of TX_CLI_DIR. Consider using a directory already
+# in the PATH environment variable because install script will add this
+# directory to PATH in your ~/.bashrc.
+TX_CLI_DIR          ?= $(shell realpath ~/.local/bin)
+
+############################
+# Paths and URLs
+############################
+#
+PYTHON              ?= $(shell which python3)
+CPYTHON_DIR         := cpython
+LOCALE_DIR          := Doc/locales
+LOGS_DIR            := logs
+VENV_DIR            := .venv
+#
+#######

.github/prepmsg.sh

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+#!/bin/bash
+# Prepare message for Telegram notification
+set -ex
+
+die() { echo "$0: error: $*" >&2; exit 1; }
+
+[ $# -ne 2 ] && die "Expected 1 input and 1 output files, got $#"
+[ ! -f "$1" ]  && die "Input file $1 not found, skipping."
+[ -z "${GITHUB_REPOSITORY}" ] && die "GITHUB_REPOSITORY is empty."
+[ -z "${GITHUB_RUN_ID}" ] && die "GITHUB_RUN_ID is empty."
+[ -z "${GITHUB_JOB}" ] && die "GITHUB_JOB is empty."
+
+URL="https://github.com/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}"
+
+input="$1"
+output="$2"
+
+touch aux
+if [[ "${GITHUB_JOB}" == "build" ]]; then
+    grep 'cpython/Doc/.*WARNING:' "$input" | \
+          sed 's|.*/cpython/Doc/||' | \
+          uniq | \
+          sed 's|^|```\n|;s|$|\n```\n|' \
+          > aux
+elif [[ "${GITHUB_JOB}" == "lint" ]]; then
+    grep -P '^.*\.po:\d+:\s+.*\(.*\)$' "$input" | \
+          sort -u | \
+          sed 's|^|```\n|;s|$|\n```\n|' \
+          > aux
+else
+    die "Unexpected job name ${GITHUB_JOB}"
+fi
+
+[[ $(cat aux) == "" ]] && die "Unexpected empty output message."
+
+echo "❌ *${GITHUB_JOB}* (ID [${GITHUB_RUN_ID}]($URL)):" > "$output";
+{ echo ""; cat aux; echo ""; } >> "$output"
+rm aux