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# Building on Windows | ||
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## Install Git For Windows | ||
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As Git is used by the Go language to download dependencies, you need | ||
to install Git, for example from http://git-scm.com/. | ||
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You also must make sure that the directory that contains the Git For | ||
Windows binary is in the Path environment variable. Note that Git For | ||
Windows has a 'git' binary in a 'Git\bin' directory and another one in | ||
a 'Git\cmd' directory. You should only put the 'Git\cmd' directory in | ||
the Path environment variable. | ||
![](https://ipfs.io/ipfs/QmccXW7JSZMVXidSc7tHsU6aktuaiV923q4yBGHUsdymYo/build.gif) | ||
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## Install Go | ||
`go-ipfs` is built on Golang and thus depends on it for all building methods. | ||
https://golang.org/doc/install | ||
The `GOPATH` environment variable must be set as well. | ||
https://golang.org/doc/code.html#GOPATH | ||
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Please install the Go language as explained on | ||
https://golang.org/doc/install. | ||
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To properly install Go, you will need to set some environment | ||
variables. We recommend you to set them globally using the Control | ||
Panel, as explained in the documentation above, so that these | ||
environment variables are automatically available in all the possible | ||
environments that you might want to use like Git Bash, Windows's cmd, | ||
Cygwin's terminal, Windows' PowerShell and so on. | ||
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You must make sure that the GOROOT environment variable is set and | ||
that the %GOROOT%/bin directory is in the Path environment variable. | ||
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The GOPATH environment variable should also be set to a directory that | ||
you have created, and the %GOPATH/bin directory should also be in the | ||
Path environment variable. | ||
## Choose the way you want to proceed | ||
`go-ipfs` utilizes `make` to automate builds and run tests, but can be built without it using only `git` and `go`. | ||
No matter which method you choose, if you encounter issues, please see the [Troubleshooting](#troubleshooting) section. | ||
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## Download go-ipfs and fix Git authentication | ||
**Using `make`:** | ||
MSYS2 and Cygwin provide the Unix tools we need to build `go-ipfs`. You may use either, but if you don't already have one installed, we recommend MSYS2. | ||
[MSYS2→](#msys2) | ||
[Cygwin→](#cygwin) | ||
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Use the following command to download go-ipfs source code: | ||
**Using build tools manually:** | ||
This section assumes you have a working version of `go` and `git` already setup. You may want to build this way if your environment restricts installing additional software, or if you're integrating IPFS into your own build system. | ||
[Minimal→](#minimal) | ||
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## MSYS2 | ||
1. Install msys2 (http://www.msys2.org) | ||
2. Run the following inside a normal `cmd` prompt (Not the MSYS2 prompt, we only need MSYS2's tools). | ||
An explanation of this block is below. | ||
``` | ||
SET PATH=%PATH%;\msys64\usr\bin | ||
pacman --noconfirm -S git make unzip | ||
go get -u github.com/ipfs/go-ipfs | ||
cd %GOPATH%\src\github.com\ipfs\go-ipfs | ||
make install | ||
%GOPATH%\bin\ipfs.exe version --all | ||
``` | ||
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The above command uses Git to download go-ipfs from its GitHub | ||
repository. If you get authentication problems with Git, you might | ||
want to take a look at | ||
https://help.github.com/articles/caching-your-github-password-in-git/ | ||
and use the suggested solution: | ||
If there were no errors, the final command should output version information similar to "`ipfs version 0.4.14-dev-XXXXXXX`" where "XXXXXXX" should match the current short-hash of the `go-ipfs` repo. You can retrieve said hash via this command: `git rev-parse --short HEAD`. | ||
If `ipfs.exe` executes and the version string matches, then building was successful. | ||
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|Command|Explanation| | ||
| ---: | :--- | | ||
|`SET PATH=%PATH%;\msys64\usr\bin` |Add msys2's tools to our [`PATH`](https://ss64.com/nt/path.html); Defaults to: (\msys64\usr\bin)| | ||
|`pacman --noconfirm -S git make unzip` |Install `go-ipfs` build dependencies| | ||
|`go get -u github.com/ipfs/go-ipfs` |Fetch / Update `go-ipfs` source| | ||
|`cd %GOPATH%\src\github.com\ipfs\go-ipfs` |Change to `go-ipfs` source directory| | ||
|`make install` |Build and install to `%GOPATH%\bin\ipfs.exe`| | ||
|`%GOPATH%\bin\ipfs.exe version --all` |Test the built binary| | ||
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To build again after making changes to the source, run: | ||
``` | ||
git config --global credential.helper wincred | ||
SET PATH=%PATH%;\msys64\usr\bin | ||
cd %GOPATH%\src\github.com\ipfs\go-ipfs | ||
make install | ||
``` | ||
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## Choose the way you want to proceed | ||
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Now there are two ways to download, install the dependencies and to | ||
build go-ipfs: | ||
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1) There is the "Manual Way", where you don't need to install anymore | ||
software except the dependencies, but you have a number of commands to | ||
type. | ||
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2) There is a way by installing 'make' through Cygwin and using it to | ||
do nearly everything. We call this way the "Cygwin Way". It may take | ||
much more time, because installing Cygwin can take a lot of time, but | ||
after that it might be easier as many procedures are just a 'make' | ||
command away. | ||
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So use the next steps below that start with "Manual Way" if that's the | ||
way you want, otherwise scroll down a bit and use the "Cygwin Way" | ||
steps below. | ||
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## Manual Way: download and install dependencies | ||
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The following commands should download or update go-ipfs dependencies | ||
and then install them: | ||
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**Tip:** To avoid setting `PATH` every time (`SET PATH=%PATH%;\msys64\usr\bin`), you can lock it in permanently using `setx` after it's been set once: | ||
``` | ||
go get -u github.com/whyrusleeping/gx | ||
go get -u github.com/whyrusleeping/gx-go | ||
cd %GOPATH%/src/github.com/ipfs/go-ipfs | ||
gx --verbose install --global | ||
SETX PATH %PATH% | ||
``` | ||
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## Manual Way: build go-ipfs | ||
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To actually build go-ipfs, first go to the cmd/ipfs directory: | ||
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## Cygwin | ||
1. Install Cygwin (https://www.cygwin.com) | ||
2. During the install, select the following packages. (If you already have Cygwin installed, run the setup file again to install additional packages.) A fresh install should look something like [this reference image](https://ipfs.io/ipfs/QmaYFSQa4iHDafcebiKjm1WwuKhosoXr45HPpfaeMbCRpb/cygwin%20-%20install.png). | ||
- devel packages | ||
- `git` | ||
- `make` | ||
- archive packages | ||
- `unzip` | ||
- net packages | ||
- `curl` | ||
3. Run the following inside a normal `cmd` prompt (Not the Cygwin prompt, we only need Cygwin's tools) | ||
An explanation of this block is below. | ||
``` | ||
cd cmd\ipfs | ||
SET PATH=%PATH%;\cygwin64\bin | ||
mkdir %GOPATH%\src\github.com\ipfs | ||
cd %GOPATH%\src\github.com\ipfs | ||
git clone https://github.com/ipfs/go-ipfs.git | ||
cd %GOPATH%\src\github.com\ipfs\go-ipfs | ||
make install | ||
%GOPATH%\bin\ipfs.exe version --all | ||
``` | ||
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Then get the current Git commit: | ||
If there were no errors, the final command should output version information similar to "`ipfs version 0.4.14-dev-XXXXXXX`" where "XXXXXXX" should match the current short-hash of the `go-ipfs` repo. You can retrieve said hash via this command: `git rev-parse --short HEAD`. | ||
If `ipfs.exe` executes and the version string matches, then building was successful. | ||
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|Command|Explanation| | ||
| ---: | :--- | | ||
|`SET PATH=%PATH%;\cygwin64\bin` |Add Cygwin's tools to our [`PATH`](https://ss64.com/nt/path.html); Defaults to: (\cygwin64\bin)| | ||
|`mkdir %GOPATH%\src\github.com\ipfs`<br/>`cd %GOPATH%\src\github.com\ipfs`<br/>`git clone https://github.com/ipfs/go-ipfs.git` |Fetch / Update `go-ipfs` source| | ||
|`cd %GOPATH%\src\github.com\ipfs\go-ipfs` |Change to `go-ipfs` source directory| | ||
|`make install` |Build and install to `%GOPATH%\bin\ipfs.exe`| | ||
|`%GOPATH%\bin\ipfs.exe version --all` |Test the built binary| | ||
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To build again after making changes to the source, run: | ||
``` | ||
git rev-parse --short HEAD | ||
SET PATH=%PATH%;\cygwin64\bin | ||
cd %GOPATH%\src\github.com\ipfs\go-ipfs | ||
make install | ||
``` | ||
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It will output a small number of hex characters that you must pass to | ||
the actual build command (replace XXXXXXX with these characters): | ||
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**Tip:** To avoid setting `PATH` every time (`SET PATH=%PATH%;\cygwin64\bin`), you can lock it in permanently using `setx` after it's been set once: | ||
``` | ||
go install -ldflags="-X "github.com/ipfs/go-ipfs/repo/config".CurrentCommit=XXXXXXX" | ||
SETX PATH %PATH% | ||
``` | ||
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After that ipfs should have been built and should be available in | ||
"%GOPATH%\bin". | ||
## Minimal | ||
While it's possible to build `go-ipfs` with `go` alone, we'll be using `git` and `gx` for practical source management. | ||
You can use whichever version of `git` you wish but we recommend the Windows builds at <https://git-scm.com>. `git` must be in your [`PATH`](https://ss64.com/nt/path.html) for `go get` to recognize and use it. | ||
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You can check that the ipfs you built has the right version using: | ||
### `gx` | ||
You may install prebuilt binaries for [`gx`](https://dist.ipfs.io/#gx) & [`gx-go`](https://dist.ipfs.io/#gx-go) if they're available for your platform. | ||
Alternatively, you can build them from source and install them to `%GOPATH%\bin` by running the following: | ||
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``` | ||
ipfs version --commit | ||
go get -u github.com/whyrusleeping/gx | ||
go get -u github.com/whyrusleeping/gx-go | ||
``` | ||
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It should output something like "ipfs version 0.4.0-dev-XXXXXXX" where | ||
XXXXXXX is the current commit that you passed to the build command. | ||
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## Cygwin way: install Cygwin | ||
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Install Cygwin as explained in the Cygwin documentation: | ||
### `go-ipfs` | ||
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http://cygwin.com/install.html | ||
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By default Cygwin will not install 'make', so you should click on the | ||
"Devel" category during the Cygwin installation process and then check | ||
the 'make' package. | ||
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## Cygwin way: build go-ipfs | ||
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To build go-ipfs using Cygwin you just need to open a Cygwin Terminal | ||
and then type the following commands: | ||
``` | ||
SET PATH=%PATH%;%GOPATH%\bin | ||
go get -u -d github.com/ipfs/go-ipfs | ||
cd %GOPATH%/src/github.com/ipfs/go-ipfs | ||
gx --verbose install --global | ||
cd cmd\ipfs | ||
``` | ||
We need the `git` commit hash to be included in our build so that in the extremely rare event a bug is found, we have a reference point later for tracking it. We'll ask `git` for it and store it in a variable. The syntax for the next command is different depending on whether you're using the interactive command line or writing a batch file. Use the one that applies to you. | ||
- interactive: `FOR /F %V IN ('git rev-parse --short HEAD') do set SHA=%V` | ||
- interpreter: `FOR /F %%V IN ('git rev-parse --short HEAD') do set SHA=%%V` | ||
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Finally, we'll build and test `ipfs` itself. | ||
``` | ||
cd $GOPATH/src/github.com/ipfs/go-ipfs | ||
make install | ||
go install -ldflags="-X "github.com/ipfs/go-ipfs/repo/config".CurrentCommit=%SHA%" | ||
%GOPATH%\bin\ipfs.exe version --all | ||
``` | ||
You can check that the ipfs output versions match with `go version` and `git rev-parse --short HEAD`. | ||
If `ipfs.exe` executes and everything matches, then building was successful. | ||
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After that ipfs should have been built and should be available in | ||
"%GOPATH%\bin". | ||
## Troubleshooting | ||
- **Git auth** | ||
If you get authentication problems with Git, you might want to take a look at https://help.github.com/articles/caching-your-github-password-in-git/ and use the suggested solution: | ||
`git config --global credential.helper wincred` | ||
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You can check that the ipfs you built has the right version using: | ||
- **Anything else** | ||
Please search [https://discuss.ipfs.io](https://discuss.ipfs.io/search?q=windows%20category%3A13) for any additional issues you may encounter. If you can't find any existing resolution, feel free to post a question asking for help. | ||
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``` | ||
ipfs version --commit | ||
``` | ||
If you encounter a bug with `go-ipfs` itself (not related to building) please use the [issue tracker](https://github.com/ipfs/go-ipfs/issues) to report it. |