New update-distgit.sh script

Author: mizdebsk

generate-rpm-spec.sh

@@ -40,7 +40,7 @@ Source:         javapackages-bootstrap-PACKAGE-LICENSING
 # ./downstream.sh prep
 # ./downstream.sh archive
 # The results are in the archive directory
-Source:         [...].tar.zst
+Source:         [...]
 
 BuildRequires:  byaccj
 BuildRequires:  gcc

javapackages-bootstrap.spec

@@ -0,0 +1,41 @@
+set -eu
+
+ref=HEAD
+if [ $# -gt 0 ]; then
+    ref="$1"
+    shift
+fi
+
+commit=$(git rev-parse $ref)
+version=$(git describe --tags $commit)
+rpmversion="$version"
+suffix="$version"
+
+case "$version" in
+    *-*)
+        version=$(git describe --tags --abbrev=0 $commit)
+        timestamp=$(git cat-file commit $commit | sed -n '/^author /s/.* \([0-9][0-9]*\) [+-][0-9][0-9]*$/\1/;T;p;q')
+        time=$(TZ=UTC date -d @$timestamp '+%Y%m%d.%H%M%S')
+        shortcommit=$(echo "$commit" | sed 's/\(.......\).*/\1/')
+        rpmversion="$version^$time.git.$shortcommit"
+        suffix="snapshot-$time-$shortcommit"
+        ;;
+esac
+
+out=rpm
+if [[ $# -gt 0 ]]; then
+    out="$1"
+    shift
+else
+    mkdir -p $out/
+fi
+
+git archive $commit --prefix $name-$suffix/ | zstd -12 >$out/$name-$suffix.tar.zst
+(cd ./$out && sha512sum --tag $name-$suffix.tar.zst) >$out/sources
+
+cp $name.spec $out/$name.spec
+sed -i "s/^Version:.*/Version:        $rpmversion/" $out/$name.spec
+
+if [ "$suffix" != "$version" ]; then
+    sed -i "/^Source:.*https:/s/^Source:.*/Source:         $name-$suffix.tar.zst/" $out/$name.spec
+fi

libbleed.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+name=javapackages-bootstrap
+. ./libbleed.sh
+
+#rm -rf archive/
+#./downstream.sh archive
+cp $out/$name-$suffix.tar.zst archive/
+cp archive/* $out/
+
+./downstream.sh source-list | while read s; do
+    sed -i '/^Source:.*\[\.\.\.\]/i'"$s" $out/$name.spec
+done
+sed -i '/^Source:.*\[\.\.\.\]/d' $out/$name.spec
+
+./mbi.sh licensing >$out/$name-PACKAGE-LICENSING
+sed -i "s/^License:.*/$(sed -n /^License:/p $out/$name-PACKAGE-LICENSING)/" $out/$name.spec
+
+./downstream.sh source-manifest >>$out/sources