1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/scripts/checkpatch-feature-branch.sh b/contrib/scripts/checkpatch-feature-branch.sh
new file mode 100755
index 00000000..d6f72b20
--- /dev/null
+++ b/contrib/scripts/checkpatch-feature-branch.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+die() {
+    printf "%s\n" "$@"
+    exit 1
+}
+
+HEAD="${1:-HEAD}"
+
+BASE_DIR="$(dirname "$0")"
+
+if printf '%s' "$HEAD" | grep -q '\.\.'; then
+    # Check the explicitly specified range from the argument.
+    REFS=( $(git log --reverse --format='%H' "$HEAD") ) || die "not a valid range (HEAD is $HEAD)"
+else
+    BASE_REF="refs/remotes/origin"
+    NM_UPSTREAM_REMOTE=
+
+    if [ "$NM_CHECKPATCH_FETCH_UPSTREAM" == 1 ]; then
+        NM_UPSTREAM_REMOTE="nm-upstream-$(date '+%Y%m%d-%H%M%S')-$RANDOM"
+        git remote add "$NM_UPSTREAM_REMOTE" https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
+        BASE_REF="refs/remotes/$NM_UPSTREAM_REMOTE"
+        git fetch origin "$(git rev-parse "$HEAD")" --no-tags --unshallow
+        git fetch "$NM_UPSTREAM_REMOTE" \
+            --no-tags \
+            "refs/heads/main:$BASE_REF/main" \
+            "refs/heads/nm-*:$BASE_REF/nm-*" \
+            || die "failure to fetch from https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git"
+    fi
+
+    # the argument is only a single ref (or the default "HEAD").
+    # Find all commits that branch off one of the stable branches or main
+    # and lead to $HEAD. These are the commits of the feature branch.
+
+    RANGES=( $(git show-ref | sed 's#^\(.*\) '"$BASE_REF/"'\(main\|nm-1-[0-9]\+\)$#\1..'"$HEAD"'#p' -n) )
+
+    [ "${#RANGES[@]}" != 0 ] || die "cannot detect git-ranges (HEAD is $(git rev-parse "$HEAD"))"
+
+    REFS=( $(git log --reverse --format='%H' "${RANGES[@]}") )
+
+    if [ "${#REFS[@]}" == 0 ] ; then
+        # no refs detected. This means, $HEAD is already on main (or one of the
+        # stable nm-1-* branches. Just check the patch itself.
+        REFS=( "$HEAD" )
+    fi
+
+    if [ -n "$NM_UPSTREAM_REMOTE" ]; then
+        git remote remove "$NM_UPSTREAM_REMOTE"
+    fi
+fi
+
+SUCCESS=0
+for H in "${REFS[@]}"; do
+    export NM_CHECKPATCH_HEADER=$'\n'">>> VALIDATE \"$(git log --oneline -n1 "$H")\""
+    git format-patch -U65535 --stdout -1 "$H" | "$BASE_DIR/checkpatch.pl"
+    if [ $? != 0 ]; then
+        SUCCESS=1
+    fi
+done
+
+exit $SUCCESS