Steve, if memory serves (and it still does sometimes), the DT version below, from the singing of Cilla Fisher & Artie Trezise is within two or three trivial words of the one I associate with Jeanie Robertson:

                   TWA RECRUITIN' SERGEANTS

1. Twa recruiting sergeants came frae the Black Watch
Tae markets and fairs, some recruits for tae catch
But a' that they 'listed was forty and twa:
Enlist my bonnie laddie an' come awa.

Chorus:
And it's over the mountain and over the main
Through Gibraltar, to France and Spain
Pit a feather tae your bonnet, and a kilt aboon your knee
Enlist my bonnie laddie and come awa with me.

2. Oh laddie ye dinna ken the danger that yer in
If yer horses was to fleg, and yer owsen was to rin
This greedy ole farmer, he wouldna pay yer fee
Sae list my bonnie laddie and come awa wi' me

3. With your tattie porin's and yer meal and kale,
Yer soor sowan' soorin's and yer ill-brewed ale,
Yer buttermilk, yer whey, and yer breid fired raw
Sae list my bonnie laddie and come awa

4. And its into the barn and out o' the byre
This ole farmer, he thinks ye never tire
It's slavery a' yer life, a life o' low degree
Sae list my bonnie laddie and come awa with me

5. O laddie if ye've got a sweetheart an' a bairn,
Ye'll easily get rid o' that ill-spun yarn
Twa rattles o' the drum aye and that'll pay it a'
Sae list my bonnie laddie and come awa.

I first heard the song from the Ian Campbell Folk Group, about 1968.

Without being identical to it, the tune is reminiscent of "Over the Hills and Far Away."