Does Git, SVN, etc do this type of "branching & merging" or something like this? -

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client has different versions of same code based, copy template code base, edit copy, , use copy in production instance of code. meaning there's 20 versions of code base running, 80% of code same. without changing workflow there way merge source code , builds of code if code changes in vcs each of builds/branches. code in perl if matters.

if so, called, , vcs manage "builds" (it's perl, versions of code).

visual: a,b,c custom code branches; x shared code

   |    |    x    |   /|\  / | \  b  c  \ | /   \|/    |    |    x    |    |    |\    | \  a,b  c    | /    |/    |    |    x    |    |         /|  / |  b,c  \ |   \|    |    |   etc... x = 80% of code.    |    |

yes can, before explain it, have recommend not this. better separate variable stuff shared stuff, , turn shared stuff kind of framework, simple moving variable stuff "sites" directory (i'm guessing building canned web sites) 20 subdirectories framework chooses (adds module path) @ runtime (use lib "sites/$site"; might trick, don't quote me on that).

if really, have manage via version control, can create branch each site, maintain core code base on master, , regularly merge master each site in order propagate updates. if variable , shared code cleanly separated, require human intervention.


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