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diff --git a/goplus.md b/goplus.md deleted file mode 100644 index 58ab303..0000000 --- a/goplus.md +++ /dev/null @@ -1,73 +0,0 @@ -# Go and project root - -Compared to other languages go has some strange behavior regarding its project -root settings. If you import a library called `somelib`, go will look for a -`src/somelib` folder in all of the folders in the `$GOPATH` environment -variable. This works nicely for globally installed packages, but it makes -encapsulating a project with a specific version, or modified version, rather -tedious. Whenever you go to work on this project you'll have to add its path to -your `$GOPATH`, or add the path permanently, which could break other projects -which may use a different version of `somelib`. - -My solution is in the form of a simple script I'm calling go+. go+ will search -in currrent directory and all of its parents for a file called `GOPROJROOT`. If -it finds that file in a directory, it prepends that directory's absolute path to -your `$GOPATH` and stops the search. Regardless of whether or not `GOPROJROOT` -was found go+ will passthrough all arguments to the actual go call. The -modification to `$GOPATH` will only last the duration of the call. - -As an example, consider the following: -``` -/tmp - /hello - GOPROJROOT - /src - /somelib/somelib.go - /hello.go -``` - -If `hello.go` depends on `somelib`, as long as you run go+ from `/tmp/hello` or -one of its children your project will still compile - -Here is the source code for go+: - -```bash -#!/bin/sh - -SEARCHING_FOR=GOPROJROOT -ORIG_DIR=$(pwd) - -STOPSEARCH=0 -SEARCH_DIR=$ORIG_DIR -while [ $STOPSEARCH = 0 ]; do - - RES=$( find $SEARCH_DIR -maxdepth 1 -type f -name $SEARCHING_FOR | \ - grep -P "$SEARCHING_FOR$" | \ - head -n1 ) - - if [ "$RES" = "" ]; then - if [ "$SEARCH_DIR" = "/" ]; then - STOPSEARCH=1 - fi - cd .. - SEARCH_DIR=$(pwd) - else - export GOPATH=$SEARCH_DIR:$GOPATH - STOPSEARCH=1 - fi -done - -cd "$ORIG_DIR" -exec go $@ -``` - -# UPDATE: Goat - -I'm leaving this post for posterity, but go+ has some serious flaws in it. For -one, it doesn't allow for specifying the version of a dependency you want to -use. To this end, I wrote [goat][0] which does all the things go+ does, plus -real dependency management, PLUS it is built in a way that if you've been -following go's best-practices for code organization you shouldn't have to change -any of your existing code AT ALL. It's cool, check it out. - -[0]: http://github.com/mediocregopher/goat |