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add git dependencies with submodules #816

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add git dependencies with submodules #816

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1146fee
add git dependencies with submodules
freevryheid Dec 20, 2022
cc454b4
simplify fetching submodules
freevryheid Feb 10, 2023
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20 changes: 18 additions & 2 deletions src/fpm/git.f90
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Original file line number Diff line number Diff line change
@@ -1,7 +1,8 @@
!> Implementation for interacting with git repositories.
module fpm_git
use fpm_error, only: error_t, fatal_error
use fpm_filesystem, only : get_temp_filename, getline, join_path
use fpm_filesystem, only : get_temp_filename, getline, join_path, exists
use fpm_os, only : get_current_directory, change_directory
implicit none

public :: git_target_t
Expand Down Expand Up @@ -141,7 +142,7 @@ subroutine checkout(self, local_path, error)
type(error_t), allocatable, intent(out) :: error

integer :: stat
character(len=:), allocatable :: object, workdir
character(len=:), allocatable :: object, workdir, cwd

if (allocated(self%object)) then
object = self%object
Expand Down Expand Up @@ -172,6 +173,21 @@ subroutine checkout(self, local_path, error)
return
end if

! cd into the git_dir, update existing submodules and cd back
call get_current_directory(cwd, error)
if (allocated(error)) return
call change_directory(local_path, error)
if (allocated(error)) return
if (exists(".gitmodules")) then
call execute_command_line("git submodule update --init --recursive", exitstat=stat)
if (stat /= 0) then
call fatal_error(error,'Error while updating git submodules for remote dependency')
return
end if
end if
call change_directory(cwd, error)
if (allocated(error)) return

end subroutine checkout


Expand Down