Enter path to global config file via the command line

src/fpm.f90

@@ -42,7 +42,6 @@ subroutine build_model(model, settings, package, error)
     integer :: i, j
     type(package_config_t) :: dependency
     character(len=:), allocatable :: manifest, lib_dir
-    character(len=:), allocatable :: version
     logical :: has_cpp
     logical :: duplicates_found
     type(string_t) :: include_dir
@@ -75,7 +74,8 @@ subroutine build_model(model, settings, package, error)
     if (allocated(error)) return
 
     ! Create dependencies
-    call new_dependency_tree(model%deps, cache=join_path("build", "cache.toml"))
+    call new_dependency_tree(model%deps, cache=join_path("build", "cache.toml"), &
+    & path_to_config=settings%path_to_config)
 
     ! Build and resolve model dependencies
     call model%deps%add(package, error)
@@ -324,7 +324,7 @@ end subroutine check_modules_for_duplicates
 subroutine check_module_names(model, error)
     type(fpm_model_t), intent(in) :: model
     type(error_t), allocatable, intent(out) :: error
-    integer :: i,j,k,l,m
+    integer :: k,l,m
     logical :: valid,errors_found,enforce_this_file
     type(string_t) :: package_name,module_name,package_prefix
 
@@ -621,13 +621,13 @@ subroutine cmd_run(settings,test)
     contains
     subroutine compact_list_all()
     integer, parameter :: LINE_WIDTH = 80
-    integer :: i, j, nCol
-        j = 1
+    integer :: ii, jj, nCol
+        jj = 1
         nCol = LINE_WIDTH/col_width
         write(stderr,*) 'Available names:'
-        do i=1,size(targets)
+        do ii=1,size(targets)
 
-            exe_target => targets(i)%ptr
+            exe_target => targets(ii)%ptr
 
             if (exe_target%target_type == FPM_TARGET_EXECUTABLE .and. &
                 allocated(exe_target%dependencies)) then
@@ -636,9 +636,9 @@ subroutine compact_list_all()
 
                 if (exe_source%unit_scope == run_scope) then
 
-                    write(stderr,'(A)',advance=(merge("yes","no ",modulo(j,nCol)==0))) &
+                    write(stderr,'(A)',advance=(merge("yes","no ",modulo(jj,nCol)==0))) &
                         & [character(len=col_width) :: basename(exe_target%output_file, suffix=.false.)]
-                    j = j + 1
+                    jj = jj + 1
 
                 end if
             end if
@@ -648,14 +648,14 @@ end subroutine compact_list_all
 
     subroutine compact_list()
     integer, parameter :: LINE_WIDTH = 80
-    integer :: i, j, nCol
-        j = 1
+    integer :: ii, jj, nCol
+        jj = 1
         nCol = LINE_WIDTH/col_width
         write(stderr,*) 'Matched names:'
-        do i=1,size(executables)
-            write(stderr,'(A)',advance=(merge("yes","no ",modulo(j,nCol)==0))) &
-                & [character(len=col_width) :: basename(executables(i)%s, suffix=.false.)]
-            j = j + 1
+        do ii=1,size(executables)
+            write(stderr,'(A)',advance=(merge("yes","no ",modulo(jj,nCol)==0))) &
+                & [character(len=col_width) :: basename(executables(ii)%s, suffix=.false.)]
+            jj = jj + 1
         enddo
         write(stderr,*)
     end subroutine compact_list

src/fpm/cmd/update.f90

@@ -24,18 +24,16 @@ subroutine cmd_update(settings)
     call get_package_data(package, "fpm.toml", error, apply_defaults=.true.)
     call handle_error(error)
 
-    if (.not.exists("build")) then
+    if (.not. exists("build")) then
       call mkdir("build")
       call filewrite(join_path("build", ".gitignore"),["*"])
     end if
 
     cache = join_path("build", "cache.toml")
-    if (settings%clean) then
-      call delete_file(cache)
-    end if
+    if (settings%clean) call delete_file(cache)
 
-    call new_dependency_tree(deps, cache=cache, &
-      verbosity=merge(2, 1, settings%verbose))
+    call new_dependency_tree(deps, cache=cache, verbosity=merge(2, 1, settings%verbose), &
+    & path_to_config=settings%path_to_config)
 
     call deps%add(package, error)
     call handle_error(error)

src/fpm/dependency.f90

@@ -59,7 +59,7 @@ module fpm_dependency
   use fpm_environment, only: get_os_type, OS_WINDOWS, os_is_unix
   use fpm_error, only: error_t, fatal_error
   use fpm_filesystem, only: exists, join_path, mkdir, canon_path, windows_path, list_files, is_dir, basename, &
-                            os_delete_dir, get_temp_filename
+                            os_delete_dir, get_temp_filename, parent_dir
   use fpm_git, only: git_target_revision, git_target_default, git_revision, operator(==)
   use fpm_manifest, only: package_config_t, dependency_config_t, get_package_data
   use fpm_manifest_dependency, only: manifest_has_changed
@@ -123,7 +123,11 @@ module fpm_dependency
     type(dependency_node_t), allocatable :: dep(:)
     !> Cache file
     character(len=:), allocatable :: cache
+    !> Custom path to the global config file
+    character(len=:), allocatable :: path_to_config
+
   contains
+
     !> Overload procedure to add new dependencies to the tree
     generic :: add => add_project, add_project_dependencies, add_dependencies, &
       add_dependency, add_dependency_node
@@ -183,24 +187,24 @@ module fpm_dependency
 contains
 
   !> Create a new dependency tree
-  subroutine new_dependency_tree(self, verbosity, cache)
+  subroutine new_dependency_tree(self, verbosity, cache, path_to_config)
     !> Instance of the dependency tree
     type(dependency_tree_t), intent(out) :: self
     !> Verbosity of printout
     integer, intent(in), optional :: verbosity
     !> Name of the cache file
     character(len=*), intent(in), optional :: cache
+    !> Path to the global config file.
+    character(len=*), intent(in), optional :: path_to_config
 
     call resize(self%dep)
     self%dep_dir = join_path("build", "dependencies")
 
-    if (present(verbosity)) then
-      self%verbosity = verbosity
-    end if
+    if (present(verbosity)) self%verbosity = verbosity
 
-    if (present(cache)) then
-      self%cache = cache
-    end if
+    if (present(cache)) self%cache = cache
+
+    if (present(path_to_config)) self%path_to_config = path_to_config
 
   end subroutine new_dependency_tree
 
@@ -311,15 +315,15 @@ subroutine add_project(self, package, error)
 
     ! After resolving all dependencies, check if we have cached ones to avoid updates
     if (allocated(self%cache)) then
-      call new_dependency_tree(cached, verbosity=self%verbosity,cache=self%cache)
+      call new_dependency_tree(cached, verbosity=self%verbosity, cache=self%cache)
       call cached%load(self%cache, error)
       if (allocated(error)) return
 
       ! Skip root node
-      do id=2,cached%ndep
-          cached%dep(id)%cached = .true.
-          call self%add(cached%dep(id), error)
-          if (allocated(error)) return
+      do id = 2, cached%ndep
+        cached%dep(id)%cached = .true.
+        call self%add(cached%dep(id), error)
+        if (allocated(error)) return
       end do
     end if
 
@@ -443,13 +447,13 @@ subroutine add_dependency_node(self, dependency, error)
       ! the manifest has priority
       if (dependency%cached) then
         if (dependency_has_changed(dependency, self%dep(id), self%verbosity, self%unit)) then
-           if (self%verbosity>0) write (self%unit, out_fmt) "Dependency change detected:", dependency%name
-           self%dep(id)%update = .true.
+          if (self%verbosity > 0) write (self%unit, out_fmt) "Dependency change detected:", dependency%name
+          self%dep(id)%update = .true.
         else
-           ! Store the cached one
-           self%dep(id) = dependency
-           self%dep(id)%update = .false.
-        endif
+          ! Store the cached one
+          self%dep(id) = dependency
+          self%dep(id)%update = .false.
+        end if
       end if
     else
       ! New dependency: add from scratch
@@ -498,7 +502,7 @@ subroutine update_dependency(self, name, error)
 
     associate (dep => self%dep(id))
       if (allocated(dep%git) .and. dep%update) then
-        if (self%verbosity>0) write (self%unit, out_fmt) "Update:", dep%name
+        if (self%verbosity > 0) write (self%unit, out_fmt) "Update:", dep%name
         proj_dir = join_path(self%dep_dir, dep%name)
         call dep%git%checkout(proj_dir, error)
         if (allocated(error)) return
@@ -545,8 +549,24 @@ subroutine resolve_dependencies(self, root, error)
     type(error_t), allocatable, intent(out) :: error
 
     type(fpm_global_settings) :: global_settings
+    character(:), allocatable :: parent_directory
     integer :: ii
 
+    ! Register path to global config file if it was entered via the command line.
+    if (allocated(self%path_to_config)) then
+      if (len_trim(self%path_to_config) > 0) then
+        parent_directory = parent_dir(self%path_to_config)
+
+        if (len_trim(parent_directory) == 0) then
+          global_settings%path_to_config_folder = "."
+        else
+          global_settings%path_to_config_folder = parent_directory
+        end if
+
+        global_settings%config_file_name = basename(self%path_to_config)
+      end if
+    end if
+
     call get_global_settings(global_settings, error)
     if (allocated(error)) return
 
@@ -722,7 +742,7 @@ subroutine check_and_read_pkg_data(json, node, download_url, version, error)
     character(:), allocatable :: version_key, version_str, error_message, namespace, name
 
     namespace = ""
-    name      = "UNNAMED_NODE"
+    name = "UNNAMED_NODE"
     if (allocated(node%namespace)) namespace = node%namespace
     if (allocated(node%name)) name = node%name
 
@@ -1199,27 +1219,27 @@ logical function dependency_has_changed(cached, manifest, verbosity, iunit) resu
     !> may not have it
     if (allocated(cached%version) .and. allocated(manifest%version)) then
       if (cached%version /= manifest%version) then
-         if (verbosity>1) write(iunit,out_fmt) "VERSION has changed: "//cached%version%s()//" vs. "//manifest%version%s()
-         return
-      endif
+        if (verbosity > 1) write (iunit, out_fmt) "VERSION has changed: "//cached%version%s()//" vs. "//manifest%version%s()
+        return
+      end if
     else
-       if (verbosity>1) write(iunit,out_fmt) "VERSION has changed presence "
+      if (verbosity > 1) write (iunit, out_fmt) "VERSION has changed presence "
     end if
     if (allocated(cached%revision) .and. allocated(manifest%revision)) then
       if (cached%revision /= manifest%revision) then
-        if (verbosity>1) write(iunit,out_fmt) "REVISION has changed: "//cached%revision//" vs. "//manifest%revision
+        if (verbosity > 1) write (iunit, out_fmt) "REVISION has changed: "//cached%revision//" vs. "//manifest%revision
         return
-      endif
+      end if
     else
-      if (verbosity>1) write(iunit,out_fmt) "REVISION has changed presence "
+      if (verbosity > 1) write (iunit, out_fmt) "REVISION has changed presence "
     end if
     if (allocated(cached%proj_dir) .and. allocated(manifest%proj_dir)) then
       if (cached%proj_dir /= manifest%proj_dir) then
-        if (verbosity>1) write(iunit,out_fmt) "PROJECT DIR has changed: "//cached%proj_dir//" vs. "//manifest%proj_dir
+        if (verbosity > 1) write (iunit, out_fmt) "PROJECT DIR has changed: "//cached%proj_dir//" vs. "//manifest%proj_dir
         return
-      endif
+      end if
     else
-      if (verbosity>1) write(iunit,out_fmt) "PROJECT DIR has changed presence "
+      if (verbosity > 1) write (iunit, out_fmt) "PROJECT DIR has changed presence "
     end if
 
     !> All checks passed: the two dependencies have no differences