Makefile: Add assert-todos.sh to check phase

2 files changed, 35 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 61f4072..5e26a5b 100644
--- a/Makefile
+++ b/Makefile
@@ -32,6 +32,7 @@ check:
 	if [ -d .git ]; then \
 		echo 'Assuming Git repository, running development checks.'; \
 		sh build-aux/assert-shellcheck.sh; \
+		sh build-aux/assert-todos.sh; \
 	fi
 
 dist:
diff --git a/build-aux/assert-todos.sh b/build-aux/assert-todos.sh
new file mode 100755
index 0000000..0b0a8d6
--- /dev/null
+++ b/build-aux/assert-todos.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+set -eu
+
+if git grep FIXME | grep -v '^TODOs.md' | grep -v '^build-aux/assert-todos.sh' | grep -v '^build-aux/docbook-xsl/'; then
+  echo "Found dangling FIXME markers on the project."
+  echo "You should write them down properly on TODOs.md."
+  exit 1
+fi
+
+awk -F'{#' '
+BEGIN {
+  status=0
+  idx=0
+  delete ids[0]
+}
+/^## / {
+  if (match($0, / \{#.*?\}$/) == 0) {
+    print "Missing ID for line " NR ":\n" $0
+    status=1
+  }
+  id_with_prefix = substr($2, 0, length($2) - 1)
+  match(id_with_prefix, /^\w+-/)
+  id = substr(id_with_prefix, RLENGTH + 1)
+  if (id in arr) {
+    print "Duplicate ID: " id
+    status=1
+  } else {
+    arr[id] = 1
+  }
+}
+/^# Improvements$/ {
+  exit status
+}
+' TODOs.md