Engage!

1 files changed, 79 insertions, 0 deletions

diff --git a/llama.cpp/scripts/pr2wt.sh b/llama.cpp/scripts/pr2wt.sh
new file mode 100755
index 0000000..bd635f3
--- /dev/null
+++ b/llama.cpp/scripts/pr2wt.sh
@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+
+# intialize a new worktree from a PR number:
+#
+# - creates a new remote using the fork's clone URL
+# - creates a local branch tracking the remote branch
+# - creates a new worktree in a parent folder, suffixed with "-pr-$PR"
+#
+# sample usage:
+#   ./scripts/pr2wt.sh 12345
+#   ./scripts/pr2wt.sh 12345 opencode
+#   ./scripts/pr2wt.sh 12345 "cmake -B build && cmake --build build"
+#   ./scripts/pr2wt.sh 12345 "bash -l"
+
+function usage() {
+    echo "usage: $0 <pr_number> [cmd]"
+    exit 1
+}
+
+# check we are in the right directory
+if [[ ! -f "scripts/pr2wt.sh" ]]; then
+    echo "error: this script must be run from the root of the repository"
+    exit 1
+fi
+
+if [[ $# -lt 1 || $# -gt 2 ]]; then
+    usage
+fi
+
+PR=$1
+[[ "$PR" =~ ^[0-9]+$ ]] || { echo "error: PR number must be numeric"; exit 1; }
+
+url_origin=$(git config --get remote.origin.url) || {
+    echo "error: no remote named 'origin' in this repository"
+    exit 1
+}
+
+org_repo=$(echo $url_origin | cut -d/ -f4-)
+org_repo=${org_repo%.git}
+
+echo "org/repo: $org_repo"
+
+meta=$(curl -sSLf -H "Accept: application/vnd.github+json" "https://api.github.com/repos/$org_repo/pulls/$PR")
+
+url_remote=$(echo "$meta" | jq -r '.head.repo.clone_url')
+head_ref=$(echo "$meta" | jq -r '.head.ref')
+
+echo "url:      $url_remote"
+echo "head_ref: $head_ref"
+
+url_remote_cur=$(git config --get "remote.pr/$PR.url" 2>/dev/null || true)
+
+if [[ "$url_remote_cur" != "$url_remote" ]]; then
+    git remote rm  pr/$PR 2> /dev/null
+    git remote add pr/$PR "$url_remote"
+fi
+
+git fetch "pr/$PR" "$head_ref"
+
+dir=$(basename $(pwd))
+
+git branch -D pr/$PR 2> /dev/null
+git worktree add -b pr/$PR ../$dir-pr-$PR pr/$PR/$head_ref 2> /dev/null
+
+wt_path=$(cd ../$dir-pr-$PR && pwd)
+
+echo "git worktree created in $wt_path"
+
+cd $wt_path
+git branch --set-upstream-to=pr/$PR/$head_ref
+git pull   --ff-only || {
+    echo "error: failed to pull pr/$PR"
+    exit 1
+}
+
+if [[ $# -eq 2 ]]; then
+    echo "executing: $2"
+    eval "$2"
+fi