`git landed` command

1 files changed, 22 insertions, 0 deletions

diff --git a/bin/git-landed b/bin/git-landed
new file mode 100755
index 0000000..78c0e8d
--- /dev/null
+++ b/bin/git-landed
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# shows the commit that "landed" a branch on HEAD
+#
+#  git landed $commit-on-branch [ $head-to-land-on ] [ git-log options ]
+
+declare -a revs
+declare -a flags
+
+for p in "$@"; do
+    if [[ $p =~ ^- ]]; then
+        flags+=( "$p" )
+    else
+        revs+=( "$p" )
+    fi
+done
+
+there="${revs[0]:?need a commitish}"
+here="${revs[1]:-HEAD}"
+
+git log "$here" ^"$there" --ancestry-path --merges --reverse -z "$flags" \
+    | head -z -n 1