Refactors build steps along the sequence {setup,fetch,configure,build,install}.

subr/mode_check_updates.subr: seperated into check_updates.sh.
subr/post_{copy_etc,sha256sums,tarballs}.subr: absorbed into `dist' target.

1 files changed, 102 insertions, 0 deletions

diff --git a/check_updates.sh b/check_updates.sh
new file mode 100755
index 00000000..9699d360
--- /dev/null
+++ b/check_updates.sh
@@ -0,0 +1,102 @@
+#
+# set -o errexit -o noglob are assumed.
+#
+
+modep_cpu_get_fnames() {
+	if test_cmd pkg_${cu_name}_check_updates; then
+		pkg_${cu_name}_check_updates get_fnames;
+	fi;
+	if [ -z "${cu_fnames}" ]; then
+		if [ "${cu_url#*://github.com/*}" != "${cu_url}" ]; then
+			_cpugf_uname="${cu_url#*/github.com/}";
+			_cpugf_uname="${_cpugf_uname%%/*}";
+			_cpugf_pname="${cu_url#*/github.com/${_cpugf_uname}/}";
+			_cpugf_pname="${_cpugf_pname%%/*}";
+			cu_url_index="https://github.com/${_cpugf_uname%%/*}/${_cpugf_pname%%/*}/releases/";
+			unset _cpu_uname _cpu_pname;
+			cu_fnames="$(wget ${DEFAULT_WGET_ARGS} -qO- ${cu_url_index}	|\
+				sed -n '/<span class="\(tag-name\|css-truncate-target\)">/s/^.*<span class="\(tag-name\|css-truncate-target\)">\([a-zA-Z]\+-\|v\|\)\(.\+\)<\/span>.*$/\3/p')";
+			cu_fname_base="${cu_name}";
+			cu_fname_ext="${cu_fname#v${cu_version}.}";
+		else
+			cu_url_index="${cu_url%/*}/";
+			cu_fnames="$(wget ${DEFAULT_WGET_ARGS} -qO- "${cu_url_index}"	|\
+				sed -n '/[hH][rR][eE][fF]="[^"]\+"/s/^.*[hH][rR][eE][fF]="\([^"]\+\)".*$/\1/p')";
+		fi;
+	fi;
+	: ${cu_fname:="${cu_url##*/}"};
+	: ${cu_fname_base:="${cu_fname%%-*}"};
+	: ${cu_fname_ext:="${cu_fname#${cu_fname_base}-${cu_version}.}"};
+};
+
+modep_check_cpu_get_version() {
+	unset cu_fname_version;
+	if test_cmd pkg_${cu_name}_check_updates; then
+		pkg_${cu_name}_check_updates get_version;
+	fi;
+	if [ -z "${cu_fname_version}" ]; then
+		if [ "${cu_url#*://github.com/*}" != "${cu_url}" ]; then
+			if [ "${cu_fname#${cu_fname_base}-}" = "${cu_fname}" ]\
+			&& [ "${cu_fname%.${cu_fname_ext}}" = "${cu_fname}" ]; then
+				cu_fname_version="${cu_fname}";
+			fi;
+		elif [ "${cu_fname#${cu_fname_base}-}" != "${cu_fname}" ]\
+		&& [ "${cu_fname%.${cu_fname_ext}}" != "${cu_fname}" ]; then
+			cu_fname_version="${cu_fname#${cu_fname_base}-}";
+			cu_fname_version="${cu_fname_version%.${cu_fname_ext}}";
+		fi;
+	fi;
+};
+
+mode_check_pkg_updates() {
+	cu_name="${1}"; cu_NAME="${2}";
+	cu_version="$(get_var_unsafe PKG_${cu_NAME}_VERSION)";
+	cu_url="$(get_var_unsafe PKG_${cu_NAME}_URL)";
+	cu_url_type="$(get_var_unsafe PKG_${cu_NAME}_URL_TYPE)";
+	. vars/check_updates.vars;
+	if lmatch "${CHECK_UPDATES_SKIP}" " " "${cu_name}"; then
+		log_msg vnfo "Skipping \`${cu_name}' (set in \${CHECK_UPDATES_SKIP}.)";
+		return 0;
+	elif [ "${cu_url_type}" = "git" ]; then
+		log_msg vnfo "Skipping \`${cu_name}' (URL_TYPE is Git.)";
+		return 0;
+	elif [ -z "${cu_version}" -o -z "${cu_url}" ]; then
+		log_msg fail "Zero-length \${cu_version} and/or \${cu_url} for \`${cu_name}' (ignored.)";
+		return 0;
+	else
+		log_msg vnfo "Checking ${cu_name} v${cu_version} for updates.";
+		modep_cpu_get_fnames; _cpu_versions="";
+	fi;
+	for cu_fname in ${cu_fnames}; do
+		cu_fname="${cu_fname##*/}"; modep_check_cpu_get_version;
+		if [ -z "${cu_fname_version}" ]; then
+			continue;
+		elif ! echo "${cu_fname_version}" | grep -Eq '^[-_.0-9a-zA-Z]+$'	\
+		||   echo "${cu_fname_version}" | grep -Eq '^[_.a-zA-Z]+'; then
+			log_msg varn "Skipping \`${cu_fname_version}' (invalid version.)";
+		else
+			_cpu_versions="${_cpu_versions:+${_cpu_versions} }${cu_fname_version}";
+		fi;
+	done;
+	if [ -z "${_cpu_versions}" ]; then
+		log_msg warn "No versions available for \`${cu_name}' (Filename URL: ${cu_url}, index URL: ${cu_url_index}).";
+	else
+		_cpu_versions="$(echo "${_cpu_versions}"	|\
+			sed 's/ /\n/g' | sort -rV | uniq	|\
+			head -n${CHECK_UPDATES_SHOW_NEW:-6}	|\
+			paste -d" " -s)";
+		if test_cmd pkg_${cu_name}_check_updates; then
+			pkg_${cu_name}_check_updates version_fixup;
+		fi;
+		if [ "${_cpu_versions%% *}" != "${cu_version}" ]; then
+			log_msg info "New release(s) available for ${cu_name} v${cu_version}: ${_cpu_versions}.";
+		else
+			log_msg vnfo "${cu_name} v${cu_version} is up to date.";
+		fi;
+	fi;
+	unset	cu_fname cu_fname_base cu_fname_ext cu_fnames cu_fname_version	\
+		cu_name cu_url cu_url_fname cu_url_fname_base cu_url_fname_ext	\
+		cu_url_index cu_url_type cu_version _cpu_versions;
+};
+
+# vim:filetype=sh