build: Add comments.

1 files changed, 4 insertions, 0 deletions

diff --git a/build b/build
index a5a34ce..cfa976f 100755
--- a/build
+++ b/build
@@ -25,10 +25,12 @@ build:
 	touch $@
 
 install: build
+	# Install tzdata-common files.
 	mkdir -p tzdata-common.data/usr/share/zoneinfo
 	cp src/iso3166.tab src/zone.tab tzdata-common.data/usr/share/zoneinfo
 	cp -p tzdata-northamerica.data/usr/share/zoneinfo/America/New_York \
 		tzdata-common.data/usr/share/zoneinfo
+	# Install time zones.
 	for t in $(tables); do \
 		grep '^Link' src/$${t} | while read type dest src etc; do \
 			rm -f "tzdata-$${t}.data/usr/share/zoneinfo/$${src}"; \
@@ -46,6 +48,8 @@ install: build
 			ln -sf "$${up}$${dest}" "$${src}"; \
 		done; \
 	done
+	# Install links listed in the "backward" table into the relevant time
+	# zone data package.
 	grep '^Link' src/backward | while read type dest src etc; do \
 		t="$$(cd src &&  grep -l \
 			"^Zone[ 	][ 	]*$${dest}[ 	].*$$" \