Default branch renaming aftermath (#565)

Author: awvwgk

.github/workflows/docs.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Build Documentation
       run: ford docs.md
     - uses: JamesIves/github-pages-deploy-action@3.7.1
-      if: github.event_name == 'push' && github.repository == 'fortran-lang/fpm' && ( startsWith( github.ref, 'refs/tags/' ) || github.ref == 'refs/heads/master' )
+      if: github.event_name == 'push' && github.repository == 'fortran-lang/fpm' && ( startsWith( github.ref, 'refs/tags/' ) || github.ref == 'refs/heads/main' )
       with:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         BRANCH: gh-pages

docs.md

@@ -2,7 +2,7 @@
 project: Fortran-lang/fpm
 summary: Fortran Package Manager
 project_github: https://github.com/fortran-lang/fpm
-project_download: https://github.com/fortran-lang/fpm/archive/master.zip
+project_download: https://github.com/fortran-lang/fpm/archive/main.zip
 author: fortran-lang/fpm contributors
 author_pic: https://fortran-lang.org/assets/img/fortran_logo_512x512.png
 author_email: fortran-lang@groups.io

src/fpm/cmd/new.f90

@@ -131,9 +131,9 @@ subroutine cmd_new(settings)
         &'  # The fpm home page at                                                        ',&
         &'  #     https://github.com/fortran-lang/fpm                                     ',&
         &'  # A complete list of keys and their attributes at                             ',&
-        &'  #     https://github.com/fortran-lang/fpm/blob/master/manifest-reference.md   ',&
+        &'  #     https://github.com/fortran-lang/fpm/blob/main/manifest-reference.md     ',&
         &'  # examples of fpm project packaging at                                        ',&
-        &'  #     https://github.com/fortran-lang/fpm/blob/master/PACKAGING.md            ',&
+        &'  #     https://github.com/fortran-lang/fpm/blob/main/PACKAGING.md              ',&
         &'  # The Fortran TOML file interface and it''s references at                     ',&
         &'  #     https://github.com/toml-f/toml-f                                        ',&
         &'  #                                                                             ',&

src/fpm_command_line.f90

@@ -723,7 +723,7 @@ subroutine set_help()
     ' + The fpm(1) home page is at https://github.com/fortran-lang/fpm               ', &
     ' + Registered fpm(1) packages are at https://fortran-lang.org/packages          ', &
     ' + The fpm(1) TOML file format is described at                                  ', &
-    '   https://github.com/fortran-lang/fpm/blob/master/manifest-reference.md        ', &
+    '   https://github.com/fortran-lang/fpm/blob/main/manifest-reference.md          ', &
     '']
     help_list=[character(len=80) :: &
     'NAME                                                                   ', &