Apply suggestion: move run to filesystem and use getline

fpm_environment::run is moved to fpm_filesystem so that it can use the getline function to retrieve redirected output from file

8 files changed, 84 insertions, 85 deletions

diff --git a/src/fpm.f90 b/src/fpm.f90
index 135cadc..7291247 100644
--- a/src/fpm.f90
+++ b/src/fpm.f90
@@ -4,8 +4,9 @@ use fpm_backend, only: build_package
 use fpm_command_line, only: fpm_build_settings, fpm_new_settings, &
                       fpm_run_settings, fpm_install_settings, fpm_test_settings
 use fpm_dependency, only : new_dependency_tree
-use fpm_environment, only: run, get_env
-use fpm_filesystem, only: is_dir, join_path, number_of_rows, list_files, exists, basename, filewrite, mkdir
+use fpm_environment, only: get_env
+use fpm_filesystem, only: is_dir, join_path, number_of_rows, list_files, exists, &
+                   basename, filewrite, mkdir, run
 use fpm_model, only: fpm_model_t, srcfile_t, show_model, &
                     FPM_SCOPE_UNKNOWN, FPM_SCOPE_LIB, FPM_SCOPE_DEP, &
                     FPM_SCOPE_APP, FPM_SCOPE_EXAMPLE, FPM_SCOPE_TEST
diff --git a/src/fpm/cmd/new.f90 b/src/fpm/cmd/new.f90
index a402432..61afc74 100644
--- a/src/fpm/cmd/new.f90
+++ b/src/fpm/cmd/new.f90
@@ -54,9 +54,9 @@ module fpm_cmd_new
 !> be the first go-to for a CLI utility).
 
 use fpm_command_line, only : fpm_new_settings
-use fpm_environment, only : run, OS_LINUX, OS_MACOS, OS_WINDOWS
+use fpm_environment, only : OS_LINUX, OS_MACOS, OS_WINDOWS
 use fpm_filesystem, only : join_path, exists, basename, mkdir, is_dir
-use fpm_filesystem, only : fileopen, fileclose, filewrite, warnwrite
+use fpm_filesystem, only : fileopen, fileclose, filewrite, warnwrite, run
 use fpm_strings, only : join, to_fortran_name
 use fpm_error, only : fpm_stop
 use,intrinsic :: iso_fortran_env, only : stderr=>error_unit
diff --git a/src/fpm_backend.F90 b/src/fpm_backend.F90
index e666d03..ceba7ac 100644
--- a/src/fpm_backend.F90
+++ b/src/fpm_backend.F90
@@ -29,8 +29,7 @@ module fpm_backend
 
 use,intrinsic :: iso_fortran_env, only : stdin=>input_unit, stdout=>output_unit, stderr=>error_unit
 use fpm_error, only : fpm_stop
-use fpm_environment, only: run, get_os_type, OS_WINDOWS
-use fpm_filesystem, only: basename, dirname, join_path, exists, mkdir, LINE_BUFFER_LEN
+use fpm_filesystem, only: basename, dirname, join_path, exists, mkdir, run, getline
 use fpm_model, only: fpm_model_t
 use fpm_strings, only: string_t, operator(.in.)
 use fpm_targets, only: build_target_t, build_target_ptr, FPM_TARGET_OBJECT, &
@@ -349,13 +348,13 @@ subroutine print_build_log(target)
     type(build_target_t), intent(in), target :: target
 
     integer :: fh, ios
-    character(LINE_BUFFER_LEN) :: line
+    character(:), allocatable :: line
 
     if (exists(target%output_log_file)) then
 
         open(newunit=fh,file=target%output_log_file,status='old')
         do
-            read(fh, '(A)', iostat=ios) line
+            call getline(fh, line, ios)
             if (ios /= 0) exit
             write(*,'(A)') trim(line)
         end do
diff --git a/src/fpm_command_line.f90 b/src/fpm_command_line.f90
index 0837bf2..99fdef2 100644
--- a/src/fpm_command_line.f90
+++ b/src/fpm_command_line.f90
@@ -29,8 +29,8 @@ use fpm_environment,  only : get_os_type, get_env, &
 use M_CLI2,           only : set_args, lget, sget, unnamed, remaining, specified
 use M_CLI2,           only : get_subcommand, CLI_RESPONSE_FILE
 use fpm_strings,      only : lower, split, fnv_1a, to_fortran_name, is_fortran_name
-use fpm_filesystem,   only : basename, canon_path, which
-use fpm_environment,  only : run, get_command_arguments_quoted
+use fpm_filesystem,   only : basename, canon_path, which, run
+use fpm_environment,  only : get_command_arguments_quoted
 use fpm_error,        only : fpm_stop
 use,intrinsic :: iso_fortran_env, only : stdin=>input_unit, &
                                        & stdout=>output_unit, &
diff --git a/src/fpm_compiler.f90 b/src/fpm_compiler.f90
index 2f939ad..1c086cc 100644
--- a/src/fpm_compiler.f90
+++ b/src/fpm_compiler.f90
@@ -27,7 +27,6 @@
 ! Unisys            ?          ?       ?               ?             ?          discontinued
 module fpm_compiler
 use fpm_environment, only: &
-        run, &
         get_env, &
         get_os_type, &
         OS_LINUX, &
@@ -39,7 +38,7 @@ use fpm_environment, only: &
         OS_OPENBSD, &
         OS_UNKNOWN
 use fpm_filesystem, only: join_path, basename, get_temp_filename, delete_file, unix_path, &
-    & getline
+    & getline, run
 use fpm_strings, only: string_cat, string_t
 implicit none
 public :: compiler_t, new_compiler, archiver_t, new_archiver
diff --git a/src/fpm_environment.f90 b/src/fpm_environment.f90
index 224d2aa..7926703 100644
--- a/src/fpm_environment.f90
+++ b/src/fpm_environment.f90
@@ -11,7 +11,6 @@ module fpm_environment
     private
     public :: get_os_type
     public :: os_is_unix
-    public :: run
     public :: get_env
     public :: get_command_arguments_quoted
     public :: separator
@@ -157,74 +156,6 @@ contains
         unix = build_os /= OS_WINDOWS
     end function os_is_unix
 
-    !> echo command string and pass it to the system for execution
-    subroutine run(cmd,echo,exitstat,verbose,redirect)
-        character(len=*), intent(in) :: cmd
-        logical,intent(in),optional  :: echo
-        integer, intent(out),optional  :: exitstat
-        logical, intent(in), optional :: verbose
-        character(*), intent(in), optional :: redirect
-
-        logical :: echo_local, verbose_local
-        character(:), allocatable :: redirect_str
-        character(1000) :: line
-        integer :: stat, fh, ios
-
-
-        if(present(echo))then
-           echo_local=echo
-        else
-           echo_local=.true.
-        end if
-
-        if(present(verbose))then
-            verbose_local=verbose
-        else
-            verbose_local=.true.
-        end if
-        
-        if (present(redirect)) then
-            redirect_str =  ">"//redirect//" 2>&1"
-        else
-            if(verbose_local)then
-                ! No redirection but verbose output
-                redirect_str = ""
-            else
-                ! No redirection and non-verbose output
-                if (os_is_unix()) then
-                    redirect_str = ">/dev/null 2>&1"
-                else
-                    redirect_str = ">NUL 2>&1"
-                end if
-            end if
-        end if
-
-        if(echo_local) print *, '+ ', cmd
-
-        call execute_command_line(cmd//redirect_str, exitstat=stat)
-
-        if (verbose_local.and.present(redirect)) then
-
-            open(newunit=fh,file=redirect,status='old')
-            do
-                read(fh, '(A)', iostat=ios) line
-                if (ios /= 0) exit
-                write(*,'(A)') trim(line)
-            end do
-            close(fh)
-
-        end if
-        
-        if (present(exitstat)) then
-            exitstat = stat
-        else
-            if (stat /= 0) then
-                call fpm_stop(1,'*run*:Command failed')
-            end if
-        end if
-
-    end subroutine run
-
     !> get named environment variable value. It it is blank or
     !! not set return the optional default value
     function get_env(NAME,DEFAULT) result(VALUE)
diff --git a/src/fpm_filesystem.F90 b/src/fpm_filesystem.F90
index 6127844..7510ba7 100644
--- a/src/fpm_filesystem.F90
+++ b/src/fpm_filesystem.F90
@@ -5,7 +5,7 @@ module fpm_filesystem
     use fpm_environment, only: get_os_type, &
                                OS_UNKNOWN, OS_LINUX, OS_MACOS, OS_WINDOWS, &
                                OS_CYGWIN, OS_SOLARIS, OS_FREEBSD, OS_OPENBSD
-    use fpm_environment, only: separator, get_env
+    use fpm_environment, only: separator, get_env, os_is_unix
     use fpm_strings, only: f_string, replace, string_t, split, notabs
     use iso_c_binding, only: c_char, c_ptr, c_int, c_null_char, c_associated, c_f_pointer
     use fpm_error, only : fpm_stop
@@ -15,7 +15,7 @@ module fpm_filesystem
             mkdir, exists, get_temp_filename, windows_path, unix_path, getline, delete_file
     public :: fileopen, fileclose, filewrite, warnwrite, parent_dir
     public :: read_lines, read_lines_expanded
-    public :: which, LINE_BUFFER_LEN
+    public :: which, run, LINE_BUFFER_LEN
 
     integer, parameter :: LINE_BUFFER_LEN = 1000
 
@@ -850,4 +850,73 @@ integer                         :: i, j
    enddo SEARCH
 end function which
 
+!> echo command string and pass it to the system for execution
+subroutine run(cmd,echo,exitstat,verbose,redirect)
+    character(len=*), intent(in) :: cmd
+    logical,intent(in),optional  :: echo
+    integer, intent(out),optional  :: exitstat
+    logical, intent(in), optional :: verbose
+    character(*), intent(in), optional :: redirect
+
+    logical :: echo_local, verbose_local
+    character(:), allocatable :: redirect_str
+    character(:), allocatable :: line
+    integer :: stat, fh, ios
+
+
+    if(present(echo))then
+       echo_local=echo
+    else
+       echo_local=.true.
+    end if
+
+    if(present(verbose))then
+        verbose_local=verbose
+    else
+        verbose_local=.true.
+    end if
+    
+    if (present(redirect)) then
+        redirect_str =  ">"//redirect//" 2>&1"
+    else
+        if(verbose_local)then
+            ! No redirection but verbose output
+            redirect_str = ""
+        else
+            ! No redirection and non-verbose output
+            if (os_is_unix()) then
+                redirect_str = ">/dev/null 2>&1"
+            else
+                redirect_str = ">NUL 2>&1"
+            end if
+        end if
+    end if
+
+    if(echo_local) print *, '+ ', cmd
+
+    call execute_command_line(cmd//redirect_str, exitstat=stat)
+
+    if (verbose_local.and.present(redirect)) then
+
+        open(newunit=fh,file=redirect,status='old')
+        do
+            call getline(fh, line, ios)
+            if (ios /= 0) exit
+            write(*,'(A)') trim(line)
+        end do
+        close(fh)
+
+    end if
+    
+    if (present(exitstat)) then
+        exitstat = stat
+    else
+        if (stat /= 0) then
+            call fpm_stop(1,'*run*:Command failed')
+        end if
+    end if
+
+end subroutine run
+
+
 end module fpm_filesystem
diff --git a/test/new_test/new_test.f90 b/test/new_test/new_test.f90
index f191015..61cbeb2 100644
--- a/test/new_test/new_test.f90
+++ b/test/new_test/new_test.f90
@@ -1,9 +1,9 @@
 program new_test
 use,intrinsic :: iso_fortran_env, only : stdin=>input_unit, stdout=>output_unit, stderr=>error_unit
 use fpm_filesystem,  only : is_dir, list_files, exists, windows_path, join_path, &
-  dirname
+  dirname, run
 use fpm_strings,     only : string_t, operator(.in.)
-use fpm_environment, only : run, get_os_type
+use fpm_environment, only : get_os_type
 use fpm_environment, only : OS_UNKNOWN, OS_LINUX, OS_MACOS, OS_CYGWIN, OS_SOLARIS, OS_FREEBSD, OS_OPENBSD, OS_WINDOWS
 implicit none
 type(string_t), allocatable    :: file_names(:)