add update hook: linux-phicomm-n1

linux-phicomm-n1/autobuild.yaml

@@ -5,6 +5,7 @@ timeout:
 extra:
     - update:
         - rm -rf 'src'
+        - bash buildbot.update.sh
     - failure:
         - rm -rf 'src_fail'
         - mv 'src' 'src_fail'

linux-phicomm-n1/buildbot.update.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+# buildbot update hook
+set -e -o pipefail
+
+## This section does essential preparations
+PKGBUILD='PKGBUILD'
+git pull --ff-only
+git checkout $PKGBUILD
+pkgver=$(source $PKGBUILD; echo $pkgver)
+
+# This section does actual jobs
+newPkgVer() {
+    # do not print anything to stdout other than new pkgver here
+
+    URL='https://cdn.kernel.org/pub/linux/kernel/v5.x/'
+    VER=$pkgver
+    CHANGELOG_FORMAT="ChangeLog-"
+
+    PATCH=${VER##*.}
+    MAJOR_MINOR=${VER%.*}
+
+    if ! grep -Eq '[0-9].[0-9]' <<< "$MAJOR_MINOR"; then echo "Bad MAJOR_MINOR: ${MAJOR_MINOR}" >&2; return 1; fi
+    if ! grep -Eq '[0-9]' <<< "$PATCH"; then echo "Bad PATCH: ${PATCH}" >&2; return 1; fi
+
+    html="$(curl -s ${URL})"
+
+    next=$PATCH
+    while true; do
+        if grep -Fq "${MAJOR_MINOR}.${next}" <<< "$html"; then
+            ((next=next+1))
+        else
+            ((next=next-1))
+            break
+        fi
+    done
+    if (("$PATCH" < "$next")); then
+        echo "New patch level found: ${next}" >&2
+        echo -n "${MAJOR_MINOR}.${next}"
+        return 0
+    else
+        echo "No new patch level found: ${next}" >&2
+        return 1
+    fi
+}
+
+newpkgver=$(newPkgVer)
+sed -i "s/^pkgver=.*\$/pkgver=${newpkgver}/g" $PKGBUILD
+sed -i "s/^pkgrel=.*\$/pkgrel=1/g" $PKGBUILD
+pkgver=$(source $PKGBUILD; echo $pkgver)
+pkgrel=$(source $PKGBUILD; echo $pkgrel)
+[ "$pkgver" != "$newpkgver" ] && echo "unexpected pkgver: ${pkgver}" >&2 && exit 1
+[ "$pkgrel" != '1' ] && echo "unexpected pkgrel: ${pkgrel}" >&2 && exit 1
+git add $PKGBUILD
+git commit -m "autoupdate: linux-phicomm-n1 to ${pkgver}"
+git push