Add --all as an alias for --target '*' on "run" subcommand

Author: urbanjost

fpm/src/fpm.f90

@@ -296,7 +296,9 @@ subroutine cmd_run(settings,test)
 
     ! Check all names are valid
     ! or no name and found more than one file
-    if ( any(.not.found) .or. (size(settings%name).eq.0 .and. size(executables).gt.1 .and. .not.test) ) then
+    if ( any(.not.found) .or. &
+    & (size(settings%name).eq.0 .and. size(executables).gt.1 .and. .not.test) .and.&
+    & .not.settings%list) then
         if(any(.not.found))then
            write(stderr,'(A)',advance="no")'fpm::run<ERROR> specified names '
            do j=1,size(settings%name)

fpm/src/fpm_command_line.f90

@@ -152,6 +152,7 @@ subroutine get_command_line_settings(cmd_settings)
             call set_args('&
             & --target " " &
             & --list F &
+            & --all F &
             & --release F&
             & --example F&
             & --runner " " &
@@ -171,6 +172,9 @@ subroutine get_command_line_settings(cmd_settings)
                call split(sget('target'),tnames,delimiters=' ,:')
                names=[character(len=max(len(names),len(tnames))) :: names,tnames]
             endif
+            if(lget('all'))then
+               names=[character(len=max(len(names),1)) :: names,'*']
+            endif
 
             allocate(fpm_run_settings :: cmd_settings)
             val_runner=sget('runner')
@@ -696,7 +700,7 @@ subroutine set_help()
     ' By default applications in /app or specified as "executable" in your  ', &
     ' "fpm.toml" manifest are used. Alternatively demonstration programs    ', &
     ' in example/ or specified in the "example" section in "fpm.toml"       ', &
-    ' can be executed with this subcommand.                                 ', &
+    ' can be executed.                                                      ', &
     '                                                                       ', &
     'OPTIONS                                                                ', &
     ' --target NAME(s)  list of specific application names to execute.      ', &
@@ -707,6 +711,7 @@ subroutine set_help()
     '                   Simple "globbing" is supported where "?" represents ', &
     '                   any single character and "*" represents any string. ', &
     '                   Therefore a quoted asterisk ''*'' runs all programs.  ', &
+    ' --all      An alias for "--target ''*''. All targets are selected.      ', &
     ' --example  run example programs instead of applications               ', &
     ' --release  selects the optimized build instead of the debug build.    ', &
     ' --compiler COMPILER_NAME  Specify a compiler name. The default is     ', &