config: add distro-info.inc

Add git log function to get timestamp of tag, merge with the git-describe.inc file into distro-info.inc

distro-info.inc

+def distro_match(distro="seconorth-wayland"):
+    if 'seconorth-fngsystem' in distro:
+        tagmatch="fngsystem[-/]*"
+    else:
+        tagmatch="kirkstone[-/]*"
+    return tagmatch
+
+def git_describe(dir, distro):
+    tagmatch = distro_match(distro)
+
+    cmd="cd {} && git describe --tags --match '{}'".format( dir, tagmatch)
+    process = os.popen(cmd)
+    version = process.read().strip().replace('/', '-')
+    bb.note( "Set DISTRO_VERSION='{}' for distro {} (matches tags with {})".format(version,distro,tagmatch))
+    if len(version) < 5:
+        bb.warn("git describe on manifest failed, unable to determine correct version string.")
+        bb.warn("Command executed was: {}.".format(cmd))
+
+    process.close()
+    return version
+
+def git_log(dir, distro):
+    tagmatch = distro_match(distro)
+
+    cmd="cd {} && git log --tags='{}' --simplify-by-decoration -n 1 --pretty='format:%ct'".format( dir, tagmatch)
+    process = os.popen(cmd)
+    date = process.read().strip()
+    bb.note( "Set REPRODUCIBLE_TIMESTAMP_ROOTFS='{}' for distro {} (matches tags with {})".format(date,distro,tagmatch))
+    if len(date) < 10:
+        bb.warn("git log on manifest failed, unable to determine correct version string.")
+        bb.warn("Command executed was: {}.".format(cmd))
+
+    process.close()
+    return date
\ No newline at end of file