various updates

[next-scripts] / update_trees

diff --git a/update_trees b/update_trees
index 618df5e4e37824a2eab0b129dd9438ce578e7615..2b47e3c3d15207bc173d23270ce0dab915c0516f 100755 (executable)
--- a/update_trees
+++ b/update_trees
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-cp /dev/null ../quilt-import.log
+#cp /dev/null ../quilt-import.log
 
 log()
 {
@@ -21,16 +21,24 @@ execute()
 quilters=$(grep -v '^#' ../real_control | awk -F '     ' '$2=="quilt" { print $3; }')
 
 for name in $quilters; do
+
        sfile="../quilt/$name/series"
-       base=$(sed -n 's/^[#    ]*NEXT_BASE[    ]*\(.*\)[       ]*$/\1/p' "$sfile")
+       base=$(sed -n 's/^#[    ]*NEXT[-_]BASE[         ]*\([^  ]*\)[   ]*$/\1/p' "$sfile")
        if [ -n "$base" ]; then
-               base=$(grep -v '^#' ../real_control | awk -F '  ' '$3=="'"$base"'" { if ($2=="quilt") printf("quilt/%s", "'"$base"'"); else printf("%s/%s", "'"$base"'", $5); }')
+               nbase=$(grep -v '^#' ../real_control | awk -F ' ' '$3=="'"$base"'" { if ($2=="quilt") printf("quilt/%s", "'"$base"'"); else printf("%s/%s", "'"$base"'", $5); }')
+               [ -n "$nbase" ] && base="$nbase"
        else
-               base=$(sed -n 's/^[#    ]*BASE[         ]*\(.*\)[       ]*$/\1/p' "$sfile")
+               base=$(sed -n 's/^#[    ]*BASE[         ]*\(.*\)[       ]*$/\1/p' "$sfile")
+               [ -n "$base" ] || {
+                       # for stgit
+                       base=$(sed '1{s/^#.*GIT commit \(.*\)$/\1/;q}' "$sfile")
+                       [ -n "$base" ] ||
+                               base="origin/master"
+               }
        fi
        rbase="$base"
        case "$base" in
-       *-git[0-9]*)    rbase=$(wget -q -O - "http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-${base}.id")
+       *-git[0-9]*)    rbase=$($(dirname $0)/get_gitid "${base}")
                        ;;
        commit*)        rbase=$(expr "$base" : "commit[         ]*\(.*\)")
                        ;;
@@ -42,46 +50,67 @@ for name in $quilters; do
                log "Unknown BASE"
                continue
        }
+
+       # don't bother importing things that haven't changed
+       mb=$(git merge-base "$rbase_sha1" "quilt/$name")
+       change_size=$(cd ../quilt;git diff last_merge.. -- "$name/" | wc -c)
+       [ "$mb" = "$rbase_sha1" ] && [ $change_size -eq 0 ] && {
+               log "Unchanged quilt series $name"
+               continue
+       }
+
        mv -f "$sfile" "$sfile.orig"
-       if grep -q NEXT_PATCHES "$sfile.orig"; then
-               do_echo=:
-               while read line; do
-                       case $line in
-                       *NEXT_PATCHES_START*)   do_echo=echo
-                                               ;;
-                       *NEXT_PATCHES_END*)     do_echo=:
-                                               ;;
-                       esac
-                       $do_echo $line
-               done <"$sfile.orig" >"$sfile"
-       else
-               cp "$sfile.orig" "$sfile"
-       fi
+       do_echo=echo
+       grep -q NEXT_PATCHES "$sfile.orig" && do_echo=:
+       while read line; do
+               case $line in
+               *NEXT_PATCHES_START*)   do_echo=echo
+                                       ;;
+               *NEXT_PATCHES_END*)     do_echo=:
+                                       ;;
+               esac
+               $do_echo $line
+       done <"$sfile.orig" |
+               sed -e 's/[     ]*#.*$//' -e '/^[       ]*$/d' >"$sfile"
 
        git show-ref --quiet --verify "refs/heads/quilt/$name" ||
                execute git branch "quilt/$name" "$rbase_sha1"
 
-       mv -f "$sfile" "$sfile.tmp"
-       sed -e '/^[     ]*$/d' -e '/^[  ]*#/d' <"$sfile.tmp" >"$sfile"
-       rm -f "$sfile.tmp"
        [ -s "$sfile" ] || {
                log "   quilt series is empty"
-               [ -f "$sfile.orig" ] &&
-                       mv -f "$sfile.orig" "$sfile"
+               mv -f "$sfile.orig" "$sfile"
                execute git update-ref "refs/heads/quilt/$name" "$rbase_sha1"
                continue
        }
 
-       execute git checkout "quilt/$name"
+       [ -d "../quilt-tmp" ] ||
+               execute git clone -s -l -n -q . ../quilt-tmp
+
+       log '$' cd ../quilt-tmp
+       cd ../quilt-tmp
        execute git reset --hard "$rbase_sha1"
 
-       author=$(grep -v '^#' ../real_control | awk -F '        ' '$3=="'"$name"'" { printf("%s", $1); }' | sed 's/,.*$//')
-       execute git quiltimport --author "$author" --patches "../quilt/$name"
+       while read f <&5 ; do
+               old_head=$(git rev-parse --verify HEAD)
+               execute git am "../quilt/$name/$f"
+               new_head=$(git rev-parse --verify HEAD)
+               [ "$new_head" = "$old_head" ] && {
+                       echo "Tree unchanged, please check ..."
+                       bash -i || exit
+               }
+       done 5<"../quilt/$name/series"
 
-       [ -f "$sfile.orig" ] &&
-               mv -f "$sfile.orig" "$sfile"
+       log '$' cd ../next
+       cd ../next
+
+       execute git fetch -f ../quilt-tmp master:"quilt/$name"
+
+       mv -f "$sfile.orig" "$sfile"
 done
 
-git checkout master
+[ -d "../quilt-tmp" ] &&
+       rm -rf ../quilt-tmp
+
+( cd ../quilt; git update-ref refs/heads/last_merge HEAD )
 
 exit 0