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Additional fixes and modification

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- Updating documentation to be more accurate
- Style fixes
- More precise error messages
This commit is contained in:
Fred Hebert 2014-11-21 10:11:13 -05:00
parent b41086ba98
commit c54d496030
2 changed files with 13 additions and 8 deletions
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10
src/rebar_rel_utils.erl
View file

@ -111,13 +111,13 @@ get_rel_file_path(Name, Path) ->
get_rel_file_path(Name, Path, PVer).
get_rel_file_path(Name, Path, Version) ->
Dir = filename:join([Path, "releases", Version]),
Dir = filename:join([Path, "releases", Version]),
Path1 = filename:join([Dir, Name ++ "_" ++ Version ++".rel"]),
Path2 = filename:join([Dir, Name ++ ".rel"]),
case {filelib:is_file(Path1), filelib:is_file(Path2)} of
{true, _} -> Path1;
{_, true} -> Path2;
_ -> ?ABORT("can not find .rel file for version ~p", [Version])
_ -> ?ABORT("can not find .rel file for version ~p~n", [Version])
end.
%% Get the previous release path from a global variable
@ -138,7 +138,7 @@ load_config(Config, ReltoolFile) ->
{ok, Terms} ->
expand_version(Config, Terms, filename:dirname(ReltoolFile));
Other ->
?ABORT("Failed to load expected config from ~s: ~p\n",
?ABORT("Failed to load expected config from ~s: ~p~n",
[ReltoolFile, Other])
end.
@ -151,7 +151,7 @@ get_sys_tuple(ReltoolConfig) ->
{sys, _} = SysTuple ->
SysTuple;
false ->
?ABORT("Failed to find {sys, [...]} tuple in reltool.config.", [])
?ABORT("Failed to find {sys, [...]} tuple in reltool.config~n", [])
end.
%%
@ -265,5 +265,5 @@ get_permanent_version(Path) ->
" "),
Version;
{error, enoent} ->
?ABORT("start_erl.data is missing", [])
?ABORT("~s is missing~n", [DataFile])
end.

11
test/upgrade_project/README.md
View file

@ -1,7 +1,9 @@
#### Building version 0.1
rebar compile
cd rel
rebar generate
mv rel/dummy rel/dummy_0.1
mv dummy dummy_0.1
cd ..
rebar clean
# start the release:
cd rel/dummy_0.1
@ -20,15 +22,17 @@
$EDITOR rel/reltool.config
rebar compile
cd rel
rebar generate
# previous_release path is relative to your rel directory
rebar generate-appups previous_release=dummy_0.1
rebar generate-upgrade previous_release=dummy_0.1
tar -zvtf rel/dummy_0.2.tar.gz
tar -zvtf dummy_0.2.tar.gz
mv dummy dummy_0.2
#### Deploying with release_handler
mv rel/dummy_0.2.tar.gz rel/dummy_0.1/releases/
mv dummy_0.2.tar.gz dummy_0.1/releases/
# Now use release_handler in the running erlang console for the deploy:
@ -43,3 +47,4 @@
rm -r rel/dummy
# Now repeat steps in 'Building version 0.2' and 'Deploying with release_handler'
# while replacing '0.2' by '0.3' and '0.1' by '0.2'.