diff options
| -rw-r--r-- | lib/reltool/doc/src/reltool.xml | 48 | ||||
| -rw-r--r-- | lib/reltool/src/reltool.hrl | 4 |
2 files changed, 51 insertions, 1 deletions
diff --git a/lib/reltool/doc/src/reltool.xml b/lib/reltool/doc/src/reltool.xml index 9a4e2d130e..9b43640d83 100644 --- a/lib/reltool/doc/src/reltool.xml +++ b/lib/reltool/doc/src/reltool.xml @@ -221,6 +221,52 @@ system.</p> </item> + <tag><c>excl_lib</c></tag> + <item> + <warning><p>This option is experimental.</p></warning> + <p>If the <c>excl_lib</c> option is set to <c>otp_root</c> + then reltool will not copy anything from the Erlang/OTP + installation ($OTP_ROOT) into the target structure. The goal + is to create a "slim" release which can be used together with + an existing Erlang/OTP installation. The target structure will + therefore only contain a <c>lib</c> directory with the + applications that were found outside of $OTP_ROOT (typically + your own applications), and a <c>releases</c> directory with + the generated <c>.rel,</c> <c>.script</c> and <c>.boot</c> + files.</p> + + <p>When starting this release, three things must be specified:</p> + <taglist> + <tag><b>Which <c>releases</c> directory to use</b></tag> + <item>Tell the release handler to use the <c>releases</c> + directory in our target structure instead of + <c>$OTP_ROOT/releases</c>. This is done by setting the SASL + environment variable <c>releases_dir</c>, either from the + command line (<c>-sasl releases_dir + <target-dir>/releases</c>) or in + <c>sys.config</c>.</item> + + <tag><b>Which boot file to use</b></tag> + <item>The default boot file is <c>$OTP_ROOT/bin/start</c>, + but in this case we need to specify a boot file from our + target structure, typically + <c><target-dir>/releases/<vsn>/<RelName></c>. This + is done with the <c>-boot</c> command line option to + <c>erl</c></item> + + <tag><b>The location of our applications</b></tag> + <item>The generated .script (and .boot) file uses the + environment variable <c>$RELTOOL_EXT_LIB</c> as prefix for + the paths to all applications. The <c>-boot_var</c> option + to <c>erl</c> can be used for specifying the value of this + variable, typically <c>-boot_var RELTOOL_EXT_LIB + <target-dir>/lib</c>.</item> + </taglist> + + <p>Example:</p> + <p><code>erl -sasl releases_dir \"mytarget/releases\" -boot mytarget/releases/1.0/myrel -boot_var RELTOOL_EXT_LIB mytarget/lib</code></p> + </item> + <tag><c>incl_sys_filters</c></tag> <item> <p>This parameter normally contains a list of regular @@ -452,6 +498,7 @@ app() = {vsn, app_vsn()} | {incl_cond, incl_cond()} | {debug_info, debug_info()} | {app_file, app_file()} + | {excl_lib, excl_lib()} | {incl_sys_filters, incl_sys_filters()} | {excl_sys_filters, excl_sys_filters()} | {incl_app_filters, incl_app_filters()} @@ -477,6 +524,7 @@ escript() = {incl_cond, incl_cond()} escript_file() = file() excl_app_filters() = regexps() excl_archive_filters() = regexps() +excl_lib() = otp_root excl_sys_filters() = regexps() file() = string() incl_app() = app_name() diff --git a/lib/reltool/src/reltool.hrl b/lib/reltool/src/reltool.hrl index c0736bb4c8..f0d8b38519 100644 --- a/lib/reltool/src/reltool.hrl +++ b/lib/reltool/src/reltool.hrl @@ -79,6 +79,7 @@ | {debug_info, debug_info()} | {app_file, app_file()} | {profile, profile()} + | {excl_lib, excl_lib()} | {incl_sys_filters, incl_sys_filters()} | {excl_sys_filters, excl_sys_filters()} | {incl_app_filters, incl_app_filters()} @@ -123,6 +124,7 @@ -type incl_defaults() :: boolean(). -type incl_derived() :: boolean(). -type status() :: missing | ok. +-type excl_lib() :: otp_root. -record(common, { @@ -233,7 +235,7 @@ rels :: [#rel{}], emu_name :: emu_name(), profile :: profile(), - excl_lib :: otp_root, + excl_lib :: excl_lib(), incl_sys_filters :: [#regexp{}], excl_sys_filters :: [#regexp{}], incl_app_filters :: [#regexp{}], |