summaryrefslogtreecommitdiff
path: root/debian/new-upstream-snapshot
diff options
context:
space:
mode:
Diffstat (limited to 'debian/new-upstream-snapshot')
-rwxr-xr-xdebian/new-upstream-snapshot170
1 files changed, 170 insertions, 0 deletions
diff --git a/debian/new-upstream-snapshot b/debian/new-upstream-snapshot
new file mode 100755
index 00000000..6ad8af61
--- /dev/null
+++ b/debian/new-upstream-snapshot
@@ -0,0 +1,170 @@
+#!/bin/sh
+
+TEMP_D=""
+CR='
+'
+error() { echo "$@" 1>&2; }
+fail() { [ $# -eq 0 ] || error "$@"; exit 1; }
+Usage() {
+cat <<EOF
+${0##*/} [branch]
+ update current branch with trunk branch.
+ branch defaults to 'master'
+EOF
+}
+
+print_commit() {
+ local subject="$1" author="$2" bugs="$3" aname="" buf="" abugs=""
+ local indent=" - " indent2=" " ll=79
+ aname=${author% <*}
+ [ "${aname}" = "Scott Moser" ] && aname=""
+ abugs="${aname:+ [${aname}]}${bugs:+ (LP: ${bugs})}"
+ if [ $((${#subject}+${#abugs})) -le $(($ll-${#indent})) ]; then
+ echo "${indent}${subject}${abugs}"
+ elif [ ${#subject} -ge $(($ll-${#indent})) ]; then
+ echo "${subject}${abugs}" |
+ fmt --width=$(($ll-${#indent})) |
+ sed -e "1s/^/${indent}/; 1n;" \
+ -e 's/^[ ]*//' \
+ -e '/^[ ]*$/d' -e "s/^/$indent2/" -e 's/[ ]\+$//'
+
+ else
+ ( echo "${subject}"; echo "${abugs}" ) |
+ fmt --width=$(($ll-${#indent})) |
+ sed -e "1s/^/${indent}/; 1n;" \
+ -e 's/^[ ]*//' \
+ -e '/^[ ]*$/d' -e "s/^/$indent2/" -e 's/[ ]\+$//'
+ fi
+}
+
+git_log_to_dch() {
+ local line="" commit="" lcommit="" bugs=""
+ while :; do
+ read line || break
+ case "$line" in
+ commit\ *)
+ if [ -n "$commit" ]; then
+ print_commit "$subject" "$author" "$bugs"
+ fi
+ commit=${line#*: }
+ bugs=""
+ author=""
+ subject=""
+ ;;
+ Author:*) author="${line#Author: }";;
+ LP:*) bugs="${bugs:+${bugs}, }${line#*: }";;
+ "") [ -z "$subject" ] && read subject;;
+ esac
+ done
+ if [ -n "$commit" ]; then
+ print_commit "$subject" "$author" "$bugs"
+ fi
+}
+cleanup() {
+ [ ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}"
+}
+
+from_ref=${1:-"master"}
+cur_branch=$(git rev-parse --abbrev-ref HEAD) ||
+ fail "failed to get current branch"
+
+case "$cur_branch" in
+ ubuntu/*) :;;
+ *) fail "You are on branch '$cur_branch', expect to be on ubuntu/*";;
+esac
+
+TEMP_D=$(mktemp -d) || fail "failed mktemp"
+trap cleanup EXIT
+
+prev_pkg_ver=$(dpkg-parsechangelog --show-field Version) ||
+ fail "failed reading package version"
+pkg_name=$(dpkg-parsechangelog --show-field Source) ||
+ fail "failed to read Source from changelog"
+
+# turn 0.7.7-10-gbc2c326-0ubuntu1 into 'bc2c326'
+t=${prev_pkg_ver%-*}
+prev_pkg_hash=${t##*-g}
+
+new_pkg_debian="0ubuntu1"
+new_upstream_ver=$(git describe --abbrev=8 "${from_ref}")
+new_pkg_ver="${new_upstream_ver}-${new_pkg_debian}"
+
+prev_upstream_ver=${prev_pkg_ver%-*}
+if [ "${prev_upstream_ver}" = "${new_upstream_ver}" ]; then
+ echo "nothing to commit. '$from_ref' is at ${new_upstream_ver}."
+ exit 0
+fi
+
+dpseries="debian/patches/series"
+if [ -e $dpseries ]; then
+ drops=""
+ while read bname extra; do
+ case "$bname" in
+ cpick-*)
+ commit=${bname#cpick-}
+ commit=${commit%%-*}
+ echo "bname=$bname commit=${commit}" 1>&2
+ if git merge-base --is-ancestor "$commit" "$from_ref"; then
+ drops="${drops} debian/patches/$bname"
+ fi
+ ;;
+ *) echo "$bname${extra:+ ${extra}}";;
+ esac
+ done < $dpseries > "${TEMP_D}/series"
+ drops=${drops# }
+ if [ -n "$drops" ]; then
+ cp "${TEMP_D}/series" "$dpseries" ||
+ fail "failed copying to $dpseries"
+ if [ ! -s $dpseries ]; then
+ git rm --force "$dpseries" ||
+ fail "failed removing empty $dpseries: git rm $dpseries"
+ fi
+ msg="drop cherry picks before merge from ${from_ref} at $new_upstream_ver"
+ msg="$msg${CR}${CR}drop the following cherry picks:"
+ for file in $drops; do
+ git rm "$file" || fail "failed to git rm $file"
+ msg="${msg}$CR $file"
+ done
+ git commit -m "$msg" "$dpseries" $drops
+ fi
+fi
+
+git merge "${from_ref}" -m "merge from $from_ref at $new_upstream_ver" ||
+ fail "failed: git merge ${from_ref} -m 'merge from $from_ref ..'"
+clog="${TEMP_D}/changelog"
+gitlog="${TEMP_D}/gitlog"
+
+git log --first-parent --no-decorate --format=full \
+ "${prev_pkg_hash}..${from_ref}" > "$gitlog" ||
+ fail "failed git log ${prev_pkg_hash}..${from_ref}"
+
+cat >> "$clog" <<EOF
+$pkg_name ($new_pkg_ver) UNRELEASED; urgency=medium
+
+ * New upstream snapshot.
+EOF
+git_log_to_dch < "$gitlog" >> "$clog" ||
+ fail "failed git_log_to_dch"
+cat >> "$clog" <<EOF
+
+ -- ${DEBFULLNAME} <$DEBEMAIL> $(date -R)
+
+EOF
+
+cat "$clog" "debian/changelog" > "$TEMP_D/newlog" &&
+ cp "$TEMP_D/newlog" "debian/changelog" ||
+ fail "failed replacing debian/changelog"
+
+dch -e || fail "dch -e exited $?"
+
+git diff
+
+echo -n "Commit this change? (Y/n): "
+read answer || fail "failed to read answer"
+case "$answer" in
+ n|[Nn][oO]) exit 1;;
+esac
+
+msg="update changelog (new upstream snapshot $new_upstream_ver)."
+git commit -m "$msg" debian/changelog ||
+ fail "failed to commit '$msg'"