vim: Add macros for inserting common git metadata

1 files changed, 44 insertions, 0 deletions

diff --git a/.vim/vimrc b/.vim/vimrc
index a8cdec2..1bc3308 100644
--- a/.vim/vimrc
+++ b/.vim/vimrc
@@ -10,3 +10,47 @@ highlight DiffAdd    cterm=bold ctermfg=10 ctermbg=17 gui=none guifg=bg guibg=Re
 highlight DiffDelete cterm=bold ctermfg=10 ctermbg=17 gui=none guifg=bg guibg=Red
 highlight DiffChange cterm=bold ctermfg=10 ctermbg=17 gui=none guifg=bg guibg=Red
 highlight DiffText   cterm=bold ctermfg=10 ctermbg=88 gui=none guifg=bg guibg=Red
+
+" Auto format git commit trailers
+command! Tso   call InsTrailer('o', 'Signed-off-by: '  .. GitIdent())
+command! TTso  call InsTrailer('O', 'Signed-off-by: '  .. GitIdent())
+command! Tco   call InsTrailer('o', 'Co-authored-by: ' .. GitIdent())
+command! TTco  call InsTrailer('O', 'Co-authored-by: ' .. GitIdent())
+command! Tack  call InsTrailer('o', 'Acked-by: '       .. GitIdent())
+command! TTack call InsTrailer('O', 'Acked-by: '       .. GitIdent())
+command! Tres  call InsTrailer('o', 'Reviewed-by: '    .. GitIdent())
+command! TTres call InsTrailer('O', 'Reviewed-by: '    .. GitIdent())
+command! Treq  call InsTrailer('o', 'Reported-by: '    .. GitIdent())
+command! TTreq call InsTrailer('O', 'Reported-by: '    .. GitIdent())
+command! Tes   call InsTrailer('o', 'Tested-by: '      .. GitIdent())
+command! TTes  call InsTrailer('O', 'Tested-by: '      .. GitIdent())
+command! Tcc   call InsTrailer('o', 'Cc: '             .. GitIdent())
+command! TTcc  call InsTrailer('O', 'Cc: '             .. GitIdent())
+command! -nargs=1 Tln   call InsTrailer('o', 'Link: '  .. '<args>')
+command! -nargs=1 TTln  call InsTrailer('O', 'Link: '  .. '<args>')
+command! -nargs=1 Tfix  call InsTrailer('o', 'Fixes: ' .. GitRef('<args>'))
+command! -nargs=1 TTfix call InsTrailer('O', 'Fixes: ' .. GitRef('<args>'))
+command! -nargs=1 Ref   execute 'normal! a'            .. GitRef('<args>')
+
+function! GitIdent()
+    return system("printf '%s <%s>' " ..
+        \ "$(git config get user.name  || echo noname) " ..
+        \ "$(git config get user.email || echo noemail)")
+endfunction
+
+function! GitRef(revision)
+    return system("git log -1 --pretty='format:%h (\"%s\")' " ..
+        \ a:revision .. " 2>/dev/null || printf norevision")
+endfunction
+
+function! InsTrailer(o, trailer)
+    let l:i = 'normal! ' .. a:o
+
+    " Current line neither blank nor another trailer
+    if getline('.') !~ '^$\|^[> ]*[A-Z][-a-z]*: \S.*$'
+        execute l:i
+    endif
+
+    execute l:i .. a:trailer
+    normal! 0
+endfunction