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Install cabal into BIN_LOCATION

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See #6
This commit is contained in:
Julian Ospald 2018-10-05 10:44:23 +08:00
parent 1d8f173456
commit 54c42c7718
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1 changed files with 18 additions and 13 deletions
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@ -65,11 +65,13 @@ INSTALL_BASE="$HOME/.ghcup"
# @VARIABLE: GHC_LOCATION # @VARIABLE: GHC_LOCATION
# @DESCRIPTION: # @DESCRIPTION:
# The location where ghcup will install different ghc versions. # The location where ghcup will install different ghc versions.
# This is expected to be a subdirectory of INSTALL_BASE.
GHC_LOCATION="$INSTALL_BASE/ghc" GHC_LOCATION="$INSTALL_BASE/ghc"
# @VARIABLE: BIN_LOCATION # @VARIABLE: BIN_LOCATION
# @DESCRIPTION: # @DESCRIPTION:
# The location where ghcup will create symlinks for GHC binaries. # The location where ghcup will create symlinks for GHC binaries.
# This is expected to be a subdirectory of INSTALL_BASE.
BIN_LOCATION="$INSTALL_BASE/bin" BIN_LOCATION="$INSTALL_BASE/bin"
# @VARIABLE: DOWNLOADER # @VARIABLE: DOWNLOADER
@ -265,15 +267,16 @@ USAGE:
FLAGS: FLAGS:
-h, --help Prints help information -h, --help Prints help information
-f, --force Overwrite already existing installation
ARGS: ARGS:
<VERSION> E.g. \"2.4.0.0\" <VERSION> E.g. \"2.4.0.0\"
DISCUSSION: DISCUSSION:
Installs the specified cabal-install version (or the default ${KNOWN_GOOD_CABAL}) Installs the specified cabal-install version (or the default ${KNOWN_GOOD_CABAL})
into the global \"~/.cabal/bin\" directory, so it can be overwritten into \"${BIN_LOCATION}\", so it can be overwritten
by later \"cabal new-install cabal-install\". by later \"cabal new-install cabal-install\", which installs into
\"~/.cabal/bin\". Make sure to set up your PATH appropriately, so
the cabal installation takes precedence.
") ")
exit 1 exit 1
} }
@ -812,27 +815,29 @@ install_cabal() {
mycabalver=$1 mycabalver=$1
myarch=$(get_arch) myarch=$(get_arch)
inst_location=$HOME/.cabal/bin inst_location=$BIN_LOCATION
if [ -e "${inst_location}"/cabal ] && ! ${FORCE} ; then
die "\"${inst_location}/cabal\" already exist, use --force to overwrite"
fi
[ -e "${inst_location}" ] || { [ -e "${inst_location}" ] || {
edo mkdir "$HOME"/.cabal # TODO: this is a bit shaky because we don't use -p
edo mkdir "$HOME"/.cabal/bin edo mkdir "${INSTALL_BASE}"
edo mkdir "${BIN_LOCATION}"
} }
( (
edo cd "$(mktemp -d)" edo cd "$(mktemp -d)"
edo download "https://downloads.haskell.org/~cabal/cabal-install-${mycabalver}/cabal-install-${mycabalver}-${myarch}-unknown-linux.tar.gz" edo download "https://downloads.haskell.org/~cabal/cabal-install-${mycabalver}/cabal-install-${mycabalver}-${myarch}-unknown-linux.tar.gz"
edo tar -xzf "cabal-install-${mycabalver}-${myarch}-unknown-linux.tar.gz" edo tar -xzf "cabal-install-${mycabalver}-${myarch}-unknown-linux.tar.gz"
edo mv cabal "${inst_location}"/cabal edo mv -f cabal "${inst_location}"/cabal
) || die "Failed to install cabal-install" ) || die "Failed to install cabal-install"
status_message "Successfully installed cabal-install, you may want to run the following" status_message "Successfully installed cabal-install into"
status_message "to get the really latest version:" status_message " ${BIN_LOCATION}"
status_message ""
status_message "You may want to run the following to get the really latest version:"
status_message " cabal new-install cabal-install" status_message " cabal new-install cabal-install"
status_message ""
status_message "And make sure that \"~/.cabal/bin\" comes *before* \"${BIN_LOCATION}\""
status_message "in your PATH!"
unset mycabalver myarch inst_location unset mycabalver myarch inst_location
} }