diff options
| -rw-r--r-- | README.md | 25 | ||||
| -rwxr-xr-x | kerl | 61 |
2 files changed, 75 insertions, 11 deletions
@@ -3,7 +3,7 @@ kerl Easy building and installing of Erlang/OTP instances -Kerl aims to be shell agnostic and its only dependency, excluding what's required to actually build Erlang/OTP, is curl. +Kerl aims to be shell agnostic and its only dependencies, excluding what's required to actually build Erlang/OTP, are curl and git. Downloading =========== @@ -48,12 +48,15 @@ You can verify it's been registered: $ ./kerl list builds R14B02 -Now install it to some location: +Now install it to some location, optionally with agner support by adding KERL_INSTALL_AGNER=yes to you $HOME/.kerlrc file: $ ./kerl install R14B02 /path/to/install/dir/ - Installing Erlang/OTP R14B02 in /path/to/install/dir/ + Installing Erlang/OTP R14B02 in /path/to/install/dir... + Installing agner in /path/to/install/dir... You can activate this installation running the following command: . /path/to/install/dir/activate + Later on, you can leave the installation typing: + kerl_deactivate Here again you can check the installation's been registered: @@ -64,11 +67,16 @@ And at last activate it: $ . /path/to/install/dir/activate -You're now ready to work with R14B02 +You're now ready to work with R14B02: $ erl -version Erlang (SMP,ASYNC_THREADS,HIPE) (BEAM) emulator version 5.8.3 + $ agner version + 0.4.15 + +When your done just type: + $ kerl_deactivate Tuning ====== @@ -77,8 +85,9 @@ You can tune kerl using the .kerlrc file in your $HOME directory. You can set the following variables: -- KERL_DOWNLOAD_DIR (where to put downloaded files) -- KERL_BUILD_DIR (where to hold the builds) -- KERL_CONFIGURE_OPTIONS (options to pass to Erlang's ./configure script) -- KERL_MAKE_OPTIONS (options to pass to make, e.g. -j2) +- KERL_DOWNLOAD_DIR where to put downloaded files, defaults to $HOME/.kerl/archives +- KERL_BUILD_DIR where to hold the builds, defaults to $HOME/.kerl/builds +- KERL_CONFIGURE_OPTIONS options to pass to Erlang's ./configure script, e.g. --without-termcap +- KERL_MAKE_OPTIONS options to pass to make, e.g. -j2 +- KERL_INSTALL_AGNER if non-empty will cause agner to be installed along @@ -28,6 +28,7 @@ KERL_DOWNLOAD_DIR=$KERL_BASE_DIR/archives KERL_BUILD_DIR=$KERL_BASE_DIR/builds KERL_CONFIGURE_OPTIONS= KERL_MAKE_OPTIONS= +KERL_INSTALL_AGNER= # ensure the base dir exsists mkdir -p $KERL_BASE_DIR @@ -139,7 +140,7 @@ do_install() { exit 1 fi absdir=`cd "$2" && pwd` - echo "Installing Erlang/OTP $1 in $absdir" + echo "Installing Erlang/OTP $1 in $absdir..." cd $KERL_BUILD_DIR/otp_src_$1 ./configure --prefix="$absdir" > /dev/null 2>&1 make install > /dev/null 2>&1 @@ -148,9 +149,64 @@ do_install() { exit 1 fi list_add installations "$1 $absdir"; - echo "export PATH=$absdir/bin:\$PATH" > $absdir/activate + cat <<ACTIVATE > "$absdir/activate" +# credits to virtualenv +kerl_deactivate() { + if [ -n "\$_KERL_SAVED_PATH" ]; then + PATH="\$_KERL_SAVED_PATH" + export PATH + unset _KERL_SAVED_PATH + fi + if [ -n "\$_KERL_SAVED_AGNER_BIN" ]; then + AGNER_BIN="\$_KERL_SAVED_AGNER_BIN" + export AGNER_BIN + unset _KERL_SAVED_AGNER_BIN + fi + if [ -n "\$_KERL_SAVED_AGNER_PREFIX" ]; then + AGNER_PREFIX="\$_KERL_SAVED_AGNER_PREFIX" + export AGNER_PREFIX + unset _KERL_SAVED_AGNER_PREFIX + fi + if [ -n "\$BASH" -o -n "\$ZSH_VERSION" ]; then + hash -r + fi + if [ ! "\$1" = "nondestructive" ]; then + unset -f kerl_deactivate + fi +} +kerl_deactivate nondestructive +_KERL_SAVED_PATH="\$PATH" +export _KERL_SAVED_PATH +_KERL_SAVED_AGNER_BIN="\$AGNER_BIN" +export _KERL_SAVED_AGNER_BIN +_KERL_SAVED_AGNER_PREFIX="\$AGNER_PREFIX" +export _KERL_SAVED_AGNER_PREFIX +PATH="$absdir/bin:\$PATH" +export PATH +AGNER_BIN="$absdir/bin" +export AGNER_BIN +AGNER_PREFIX="$absdir/agner" +export AGNER_PREFIX +if [ -n "\$BASH" -o -n "\$ZSH_VERSION" ]; then + hash -r +fi +ACTIVATE + if [ -n "$KERL_INSTALL_AGNER" ]; then + echo "Installing agner in $absdir..." + . "$absdir/activate" && cd "$absdir" && \ + git clone https://github.com/agner/agner.git agner_build > /dev/null 2>&1 && \ + cd agner_build && make > /dev/null 2>&1 && \ + ./agner install agner > /dev/null 2>&1 + if [ "$?" -eq 1 ]; then + echo "Couldn' install agner in $absdir" + exit 1 + fi + fi + rm -Rf "$absdir/agner_build" echo "You can activate this installation running the following command:" echo ". $absdir/activate" + echo "Later on, you can leave the installation typing:" + echo "kerl_deactivate" } list_print() { @@ -244,4 +300,3 @@ case "$1" in echo "unkwnown command: $1"; usage; exit 1 ;; esac - |