release.sh: Automate release process.

scripts/git-log-pretty-since.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Shows a log with changes grouped next to their merge-commit.
+#
+# Parameters:
+#   $1    "since" commit
+#   $2    "inverse match" regex pattern
+
+set -e
+set -u
+set -o pipefail
+
+__SINCE=$1
+__INVMATCH=$2
+
+is_merge_commit() {
+  git rev-parse $1 >/dev/null 2>&1 \
+    || { echo "ERROR: invalid commit: $1"; exit 1; }
+  git log $1^2 >/dev/null 2>&1 && return 0 || return 1
+}
+
+for commit in $(git log --format='%H' --first-parent --since $__SINCE); do
+  if is_merge_commit ${commit} ; then
+      if [ -z "$__INVMATCH" ] || ! git log --oneline ${commit}^1..${commit}^2 \
+           | grep -E "$__INVMATCH" >/dev/null 2>&1 ; then
+        git log -1 --oneline ${commit}
+        git log --format='    %h %s' ${commit}^1..${commit}^2
+      fi
+  else
+    git log -1 --oneline ${commit}
+  fi
+done