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|
#!/bin/bash
#
# Convert a patch-queue branch into a patch series in debian/patches and vice
# versa.
#
# assumes you have your quilt patch queue for $branch on patch-queue/$branch
#
# See: https://honk.sigxcpu.org/piki/development/debian_packages_in_git/
is_patch_queue()
{
local branch=$1
case $branch in
patch-queue/*)
return 0
;;
*)
return 1
;;
esac
}
run_git()
{
set -e
git "$@"
set +e
}
pq_export()
{
local branch=$1
local pq="patch-queue/$branch"
if is_patch_queue $branch; then
branch="${branch//patch-queue\/}"
pq="patch-queue/$branch"
echo "On \"$pq\", switching to \"$branch\"."
run_git checkout $branch
fi
rm -f debian/patches/*
PATCHES=`git format-patch -N -o debian/patches $branch...$pq`
if [ -n "$PATCHES" ]; then
echo "Regenerating patch queue in \"debian/patches\"."
> debian/patches/series
for PATCH in $PATCHES; do
# delete the first line (from sha1) and last two lines (git version
# info) of the patch file
sed -i -e '1d' -e 'N;$!P;$!D;$d' $PATCH
sed -i -e 's/^-- \n[0-9\.]+$//' $PATCH
echo $PATCH | sed -e 's%debian/patches/%%' >> debian/patches/series
done
run_git status -- debian/patches
else
echo "No patches on \"$pq\" - nothing to do."
fi
}
pq_rebase()
{
local branch=$1
local pq="patch-queue/$branch"
if ! is_patch_queue $branch; then
echo "Switching to \"$pq\""
run_git checkout $pq
else
echo "Already on \"$branch\""
fi
run_git rebase "$branch"
}
pq_import()
{
local branch=$1
local pq="patch-queue/$branch"
local patches=debian/patches/
if is_patch_queue $branch; then
echo "Already on a patch-queue branch \"$branch\" - doing nothing."
return 1
fi
if ! git checkout -b $pq; then
echo "Cannot create patch-queue branch \"$pq\". Try \"rebase\" instead."
return 1
fi
if [ ! -r ${patches}series ]; then
echo "Found no series file at \"$patches\". No patches to add to patch-queue branch."
return 0
fi
maintainer="$(sed -n -e 's/Maintainer: \+\(.*\)/\1/p' debian/control)"
QUILT_PATCHES=$patches run_git quiltimport --author "$maintainer"
}
pq_drop()
{
local branch=$1
local pq="patch-queue/$branch"
if is_patch_queue $branch; then
echo "On a patch-queue branch, can't drop it."
return 1
else
run_git branch -D "${pq}"
echo "Dropped ${pq}."
fi
}
usage ()
{
cat <<EOF
$0 [ACTION]
Options:
export Export the patch queue associated to the current branch
into a quilt patch series in debian/patches/ and update the
series file.
import Create a patch queue branch from quilt patches in debian/patches.
rebase Switch to patch queue branch associated to the current
branch and rebase against current branch.
drop Drop (delete) the patch queue associated to the current branch.
EOF
}
branch=$(run_git branch --no-color | awk '/^\*/ { print $2 }')
case "$1" in
export)
pq_export $branch
;;
import)
pq_import $branch
;;
rebase)
pq_rebase $branch
;;
drop)
pq_drop $branch
;;
*)
usage
exit 1
;;
esac
|
