initial commit [141.14.129.234,mike]

build.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# Build mgsh, auto-incrementing the patch version by 0.0.1 on every build.
+#
+# version.txt holds the currently built version. Each run increments the patch
+# component, then builds with that version injected via -ldflags, and writes it
+# back. So version.txt always reflects the version of the binary just built.
+set -e
+cd "$(dirname "$0")"
+
+V=$(cat version.txt 2>/dev/null || echo 4.0.0)
+
+# split MAJOR.MINOR.PATCH and increment PATCH (no carry: 4.0.9 -> 4.0.10)
+MAJOR=${V%%.*}
+REST=${V#*.}
+MINOR=${REST%%.*}
+PATCH=${REST#*.}
+PATCH=$((PATCH + 1))
+NV="$MAJOR.$MINOR.$PATCH"
+
+go build -ldflags "-X main.VERSION=$NV" -o mgsh .
+
+echo "$NV" > version.txt
+echo "built mgsh v$NV"