eapi-usage.sh: rename from eapi_usage.sh; absorb check-eapis.sh

Both eapi_usage.sh and check-eapis.sh do very similar things,
so let's combine the two.

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 83 insertions, 0 deletions

diff --git a/eapi-usage.sh b/eapi-usage.sh
new file mode 100755
index 0000000..77758bd
--- /dev/null
+++ b/eapi-usage.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+# Arguments:
+# $1: output directory. Defaults to eapi-usage.
+
+. /lib/gentoo/functions.sh
+dir=${1}
+if [[ -n ${1} && -e ${dir} && ! -d ${dir} ]] ; then
+	eerror "Output directory given (${dir}) is not a directory! Exiting."
+	exit 1
+elif [[ -z ${dir} ]] ; then
+	ewarn "No output directory argument given! Defaulting to 'eapi-usage'."
+	dir=eapi-usage
+fi
+
+REPO_PATH=$(portageq get_repo_path ${EROOT:-/} gentoo || exit 1)
+
+mkdir -p ${dir} || exit 1
+
+ebegin "Getting list of supported EAPIs"
+eapi_list=$(python3 -c 'import portage.repository.config; print("\n".join(list(portage._supported_eapis)))' || exit 1)
+eend $?
+einfo "EAPI list:" ${eapi_list}
+
+TMPDIR="$(mktemp -d || exit 1)"
+
+einfo "Working in TMPDIR=${TMPDIR}"
+pushd "${TMPDIR}" &>/dev/null || exit 1
+mkdir -p eapi-usage || exit 1
+cd eapi-usage || exit 1
+
+for eapi in ${eapi_list[@]} ; do
+	[[ -f ${eapi}.txt ]] && rm -r ${eapi}.txt
+	touch ${eapi}.txt
+done
+
+ebegin "Finding ebuilds"
+(
+	for ebuild in $(find "${REPO_PATH}/metadata/md5-cache" -mindepth 2 -maxdepth 2 -type f -name '*-[0-9]*') ; do
+		cpf=$(echo ${ebuild} | rev | cut -d/ -f1-2 | rev)
+		eapi=$(grep -oi "eapi=.*" ${ebuild} | sed -e 's:EAPI=::')
+
+		echo "${cpf}" >> ${eapi}.txt
+	done
+) || { eend $? || exit 1; }
+eend ${?}
+
+ebegin "Sorting EAPI files"
+for eapi in ${eapi_list[@]} ; do
+	sort -u ${eapi}.txt > ${eapi}.txt.sorted
+	mv ${eapi}.txt.sorted ${eapi}.txt
+done || { eend $? || exit 1; }
+eend $?
+
+popd &>/dev/null || exit 1
+mv ${TMPDIR}/eapi-usage/*.txt ${dir}/ || exit 1
+
+rm -r "${TMPDIR}" || exit 1
+
+# Now generate the numbers/summary (copied in from previous eapi_usage.sh script)
+# Boring 'script' that just uses pkgcore's pinspect command. Someday it would be
+# nice to graph this output, or maybe keep some running history?
+
+#[[ $(type pinspect 2> /dev/null) ]] || exit 1
+#
+#pinspect eapi_usage /usr/portage
+echo "<pre>"
+find /usr/portage/metadata/md5-cache -type f ! -name '*.gz' \
+  -exec grep -h '^EAPI=' '{}' + \
+  | awk '
+    { sub("EAPI=",""); eapi[$1]++ }
+    END {
+      PROCINFO["sorted_in"]="@val_num_desc"
+      for (i in eapi) {
+        s=""; for (j=1; j<eapi[i]*50./NR+0.5; j++) s=s"#"
+        printf "EAPI %s: %7d ebuilds (%5.02f%%)  %s\n",
+               i, eapi[i], eapi[i]*100.0/NR, s
+       }
+       printf "total:  %7d ebuilds\n", NR
+    }'
+
+echo
+echo "Date generated: $(date -u '+%Y-%m-%d %H:%M:%S %Z')"
+echo "</pre>"