Checkout multiple git repos into same Jenkins workspace

Question

Using Jenkins 1 501 and Jenkins Git plugin 1 1 26  I have 3 different git repos each with multiple projects   Now I need to checkout all projects from the 3 git repos into the same workspace on a Jenkins slave  I have defined each git repo in  Source code Management  Multiple SCMs  But each time a repo is checked out the previous repo  and its associated projects  is deleted   I have read this   http   jenkins 361315 n4 nabble com multiple-git-repos-in-one-job-td4633300 html  but its does not really help  I have tried to specify the same folder under Local subdirectory for repo  optional  for all repos but it gives the same result   If this is simply impossible using Jenkins I guess some pre-build step scripting could be used to move the projects into the right location  Its not an option to modify the build configuration of the projects

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I also had this problem  I solved it using Trigger call builds on other projects  For each repository I call the downstream project using parameters   Main project   This project is parameterized String Parameters  PREFIX  MARKETNAME  BRANCH  TAG Use Custom workspace    PREFIX    MARKETNAME  Source code management  None   Then for each repository I call a downstream project like this   Trigger call builds on other projects   Projects to build  Linux-Tag-Checkout Current Build Parameters Predefined Parameters  REPOSITORY  lt name gt    Downstream project  Linux-Tag-Checkout   This project is parameterized String Parameters  PREFIX  MARKETNAME  REPOSITORY  BRANCH  TAG Use Custom workspace   PREFIX    MARKETNAME    REPOSITORY -  BRANCH  Source code management  Git git  lt host gt    REPOSITORY  refspec   refs tags   TAG  refs remotes origin tags   TAG  Branch Specifier    tags   TAG

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We are using git-repo to manage our multiple GIT repositories  There is also a Jenkins Repo plugin that allows to checkout all or part of the repositories managed by git-repo to the same Jenkins job workspace

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Depending upon the relationships of the repositories  another approach is to add the other repository  repositories  as a git submodules to one of the repositories   A git submodule is creates a reference to the other repos   Those submodule repos are not cloned unless the you specify the --recursive flag when cloning the  superproject   official term    Here s the command to add a submodule into the current project    git submodule add  lt repository URI path to clone gt    We are using Jenkins v1 645 and the git SCM will out-of-the-box do a recursive clone for superprojects   Voila you get the superproject files and all the dependent  submodule  repo files in their own respective directories in the same Jenkins job workspace   Not vouching that this is the correct approach rather it s an approach

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I used the Multiple SCMs Plugin in conjunction with the Git Plugin successfully with Jenkins

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Since Multiple SCMs Plugin is deprecated   With Jenkins Pipeline its possible to checkout multiple git repos and after building it using gradle  node      def gradleHome  stage  Prepare Checkout        for display purposes     git branch   develop   url   https   github com WtfJoke Any git       dir  a-child-repo            git branch   develop   url   https   github com WtfJoke AnyChild git             env JAVA HOME    tool  JDK8        env PATH    env JAVA HOME  bin   env PATH      set java home in jdk environment     gradleHome   tool  3 4 1      stage  Build          Run the gradle build   if  isUnix           sh     gradleHome  bin gradle  clean build      else        bat     gradleHome  bin gradle  clean build             You might want to consider using git submodules instead of a custom pipeline like this

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Checking out more than one repo at a time in a single workspace is not possible with Jenkins   Git Plugin   As a workaround  you can either have multiple upstream jobs which checkout a single repo each and then copy to your final project workspace  Problematic on a number of levels   or you can set up a shell scripting step which checks out each needed repo to the job workspace at build time   Previously the Multiple SCM plugin could help with this issue but it is now deprecated  From the Multiple SCM plugin page   Users should migrate to https   wiki jenkins-ci org display JENKINS Pipeline Plugin    Pipeline offers a better way of checking out of multiple SCMs  and is supported by the Jenkins core development team

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Jenkins  Multiple SCM - deprecated  GIT Plugin - doesn t work for multiple repos   Scripting   pipeline as code - is the way to go

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Checking out more than one repo at a time in a single workspace is possible with Jenkins   Git Plugin  maybe only in more recent versions     In section  Source-Code-Management   do not select  Git   but  Multiple SCMs  and add several git repositories   Be sure that in all but one you add as an  Additional behavior  the action  Check out to a sub-directory  and specify an individual subdirectory

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With the Multiple SCMs Plugin    create a different repository entry for each repository you need to checkout  main project or dependancy project  for each project  in the  advanced  menu  the second  advanced  menu  there are two buttons labeled  advanced  for each repository   find the  Local subdirectory for repo  optional   textfield  You can specify there the subdirectory in the  workspace  directory where you want to copy the project to  You could map the filesystem of my development computer    The  second advanced menu  doesn t exist anymore  instead what needs to be done is use the  Add  button  on the  Additional Behaviours  section   and choose  Check out to a sub-directory     if you are using ant  as now the build xml file with the build targets in not in the root directory of the workspace but in a subdirectory  you have to reflect that in the  Invoke Ant  configuration  To do that  in  Invoke ant   press  Advanced  and fill the  Build file  input text  including the name of the subdirectory where the build xml is located    Hope that helps

[git] Checkout multiple git repos into same Jenkins workspace

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