1 files changed, 50 insertions, 0 deletions

diff --git a/olamic-enqueue b/olamic-enqueue
new file mode 100755
index 0000000..1fe7b78
--- /dev/null
+++ b/olamic-enqueue
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+set -eu
+
+QUEUE_DIR="$1"; shift
+GIT_REPO="$1"; shift
+GIT_OBJECT="$1"; shift
+
+VARS=()
+VALS=()
+while [[ $# != 0 ]]; do
+    VARSET="$1"; shift
+    if [[ $VARSET =~ ^([^=]+)=(.*)$ ]]; then
+        VARS+=("${BASH_REMATCH[1]}")
+        VALS+=("${BASH_REMATCH[2]}")
+    else
+        echo "Usage: $0 queue-dir repo-path git-object [VAR=value ...]" >&2
+        exit 1
+    fi
+done
+
+TASK_SCRIPT="$(cat)"
+
+mkdir -p "$QUEUE_DIR"
+
+cd "$QUEUE_DIR"
+
+mkdir -p candidates tmp
+
+TEMP_TASK="$(mktemp tmp/XXXXXXXX)"
+
+chmod 644 "$TEMP_TASK"
+
+for i in $(seq 0 $((${#VARS[@]}-1))); do
+    VAR="${VARS[$i]}"
+    VAL="${VALS[$i]}"
+    printf "export %q=%q\n" "$VAR" "$VAL" >> "$TEMP_TASK"
+done
+
+printf "export GIT_REPO=%q\n" "$GIT_REPO" >> "$TEMP_TASK"
+printf "export GIT_OBJECT=%q\n" "$GIT_OBJECT" >> "$TEMP_TASK"
+printf "export TASK_SCRIPT=%q\n" "$TASK_SCRIPT" >> "$TEMP_TASK"
+
+UUID="$(uuidgen -r)"
+
+until mv -n "$TEMP_TASK" candidates/"$UUID"; do
+    UUID="$(uuidgen -r)"
+done
+
+echo "$UUID"