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@@ -0,0 +1,95 @@ +////////////////////////////////////////////////////////////////////// + rvs 0.8c r54 + retroactive versioning system + a versioning system that allows you to check + in commit 2 before commit 1 +////////////////////////////////////////////////////////////////////// + +introduction + + rvs is about being able to go back and edit *anything* that has + already been committed. Yes, some other SCMs do this, but get + nasty if someone else has a copy of the old version. + + Why would you want to do this? Take for example the Bazaar + repository rvs is hosted on: It starts at 0.6.0, what if I later + want to import 0.0.0 - 0.5.10? Or if I'm trying to construct a + history of BSD, and import all the BSDs I can find, such as 1,3,4, + then latter find 2? + +system requirements + + Pretty much any *nix system should be able to run rvs. If you need + to use a shell other than `/bin/sh`, run `./configure` with the + `--SHELL=YOUR_SHELL` option. rvs is not designed for Windows, but + should be able to run in bash if you have some *nix pack installed. + + To my knowledge, this is the absolute requirements (all but the + shell need to be in your PATH): + * a POSIX shell (tested with dash, and GNU BASH) + * cat (included in GNU Core Utils) + * cp (included in GNU Core Utils) + * cut (included in GNU Core Utils) + * echo (included in GNU Core Utils) + * mkdir (included in GNU Core Utils) + * rm (included in GNU Core Utils) + * sed (included in GNU Core Utils) + * sha1sum (included in GNU Core Utils) + * tempfile (included in GNU Core Utils) + * tr (included in GNU Core Utils) + +building + + rvs doesn't exactly use the GNU build system, but acts much like it + does. To build rvs with default configuration, simply run: + + $ ./configure + $ make + # make install + + It's generally considered good practice to build in another + directory than the source directory. If you would like to do this, + it can be done in rvs-0.6.1 and up. + + Configuration + + There are several configuration variables that can be set. You can + modify these configuration variables by running `./configure` such + as: + + $ ./configure --VAR_NAME=VALUE + + The different configuration variables are as follows: + + name='rvs' + The name of the program. Note that unlike most + variables, you should NOT call this in Makefiles + (`$(name)'), but use `$(rvs)'s instead. + CC='gcc' + The C language compiler to use. + RVS='$(bindir)/$(rvs)' + Where the executable will be. `$(rvs)' is the same as + `$(name)' (see above) + SHELL='/bin/sh' + The shell that will be used by make, and the shell + that scripts will run in. (Perhaps we should make + these separate variables?) + prefix='/usr/local' + Standard GNU variable. Many of you will want to + change this to `/usr', or `/home/USER_NAME' + exec_prefix='$(prefix)' + Standard GNU variable. + bindir='$(exec_prefix)/bin' + Standard GNU variable. + sbindir='$(exec_prefix)/sbin' + Standard GNU variable. + libexecdir='$(exec_prefix)/libexec' + Standard GNU variable. The plugins will be installed + at $(libexecdir)/$(name) + srcdir=$(readlink -f `dirname "$0"`) + Where the source code is. The default value evaluates + to the directory of the `configure' script. + +-- +Happy hacking! +~ Luke Shumaker <LukeShu@sbcglobal.net> |