hasufell/ghcup
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Introduce print-system-reqs wrt #49

Browse Source 
And also make bootstrap-haskell print this by default.
This commit is contained in:
Julian Ospald 2019-04-02 11:39:21 +08:00
parent 50f661092d
commit ba64b13417
No known key found for this signature in database
GPG Key ID: 511B62C09D50CD28
4 changed files with 128 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.requirements/ghc/default Normal file
View File

@ -0,0 +1 @@
curl g++ gcc gmp make ncurses python3 realpath xz-utils

1
.requirements/ghc/ubuntu Normal file
View File

@ -0,0 +1 @@
curl g++ gcc libgmp-dev libtinfo-dev make ncurses-dev python3 realpath xz-utils

22
bootstrap-haskell
View File

@ -33,10 +33,9 @@ echo "PATH components."
echo
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
echo "To proceed with the installation press enter, to cancel press ctrl-c."
echo "To proceed with the ghcup installation press enter, to cancel press ctrl-c."
echo "Note that this script can be re-run at any given time."
echo
# Wait for user input to continue.
# shellcheck disable=SC2034
read -r answer </dev/tty
@ -59,6 +58,22 @@ else
edo . "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env
fi
echo
echo "To install and run GHC you need the following dependencies:"
echo " $(ghcup print-system-reqs)"
echo
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
echo "You may want to install these now, then press enter to proceed"
echo "or press ctrl-c to abort."
echo "Installation may take a while."
echo
# Wait for user input to continue.
# shellcheck disable=SC2034
read -r answer </dev/tty
fi
edo ghcup install
edo ghcup set
@ -74,3 +89,6 @@ printf "\\033[0;35m%s\\033[0m\\n" ""
)
# vim: tabstop=4 shiftwidth=4 expandtab

120
ghcup
View File

@ -100,10 +100,10 @@ DOWNLOADER="curl"
# Options passed to the download program.
DOWNLOADER_OPTS="--fail -O"
# @VARIABLE: SCRIPT_UPDATE_URL
# @VARIABLE: DOWNLOADER_STDOUT_OPTS
# @DESCRIPTION:
# Location to update this script from.
SCRIPT_UPDATE_URL="https://raw.githubusercontent.com/haskell/ghcup/master/ghcup"
# Options passed to the download program when printing the content to stdout.
DOWNLOADER_STDOUT_OPTS="--fail"
# @VARIABLE: GHC_DOWNLOAD_BASEURL
# @DESCRIPTION:
@ -121,11 +121,21 @@ JOBS="1"
# the script name.
SOURCE="$0"
# @VARIABLE: BASE_DOWNLOAD_URL
# DESCRIPTION:
# The base url for downloading stuff like meta files, requirements files etc.
BASE_DOWNLOAD_URL="https://raw.githubusercontent.com/haskell/ghcup/master/"
# @VARIABLE: SCRIPT_UPDATE_URL
# @DESCRIPTION:
# Location to update this script from.
SCRIPT_UPDATE_URL="${BASE_DOWNLOAD_URL}/ghcup"
# @VARIABLE: META_DOWNLOAD_URL
# DESCRIPTION:
# The url of the meta file for getting
# download information for ghc/cabal-install etc.
META_DOWNLOAD_URL="https://raw.githubusercontent.com/haskell/ghcup/master/.download-urls"
META_DOWNLOAD_URL="${BASE_DOWNLOAD_URL}/.download-urls"
# @VARIABLE: META_DOWNLOAD_FORMAT
# DESCRIPTION:
@ -138,7 +148,7 @@ META_DOWNLOAD_FORMAT="1"
# DESCRIPTION:
# The url of the meta file for getting
# available versions for ghc/cabal-install etc.
META_VERSION_URL="https://raw.githubusercontent.com/haskell/ghcup/master/.available-versions"
META_VERSION_URL="${BASE_DOWNLOAD_URL}/.available-versions"
# @VARIABLE: META_VERSION_FORMAT
# DESCRIPTION:
@ -184,14 +194,15 @@ FLAGS:
(these will not be removed by ghcup)
SUBCOMMANDS:
install Install GHC$(${VERBOSE} && printf "\n compile Compile and install GHC from source (UNSTABLE!!!)")
set Set currently active GHC version
list Show available GHCs and other tools
upgrade Upgrade this script in-place
rm Remove an already installed GHC
install-cabal Install cabal-install
debug-info Print debug info (e.g. detected system/distro)
changelog Show the changelog of a GHC release (online)
install Install GHC$(${VERBOSE} && printf "\n compile Compile and install GHC from source (UNSTABLE!!!)")
set Set currently active GHC version
list Show available GHCs and other tools
upgrade Upgrade this script in-place
rm Remove an already installed GHC
install-cabal Install cabal-install
debug-info Print debug info (e.g. detected system/distro)
changelog Show the changelog of a GHC release (online)
print-system-reqs Print an approximation of system requirements
DISCUSSION:
ghcup installs the Glasgow Haskell Compiler from the official
@ -405,7 +416,7 @@ DISCUSSION:
# @FUNCTION: changelog_usage
# @DESCRIPTION:
# Print the help message for 'ghcup set' to STDERR
# Print the help message for 'ghcup changelog' to STDERR
# and exit the script with status code 1.
changelog_usage() {
(>&2 echo "ghcup-changelog
@ -429,6 +440,30 @@ DISCUSSION:
exit 1
}
# @FUNCTION: print_system_reqs_usage
# @DESCRIPTION:
# Print the help message for 'ghcup print-system-reqs' to STDERR
# and exit the script with status code 1.
print_system_reqs_usage() {
(>&2 echo "ghcup-print-system-reqs
Print an approximation of system requirements
USAGE:
${SCRIPT} print-system-reqs
FLAGS:
-h, --help Prints help information
DISCUSSION:
Just prints an approximation of the system requirements
for the 'recommended' GHC version and the 'latest' distro version
you are on.
Review this output carefully!
")
exit 1
}
@ -965,6 +1000,16 @@ download_silent() {
fi
}
# @FUNCTION: download_to_stdout
# @USAGE: <url>
# @DESCRIPTION:
# Downloads the given url to stdout.
download_to_stdout() {
[ -z "$1" ] && die "Internal error: no argument given to download"
# shellcheck disable=SC2086
edo ${DOWNLOADER} ${DOWNLOADER_STDOUT_OPTS} "$1"
}
# @FUNCTION: unpack
# @USAGE: <tarball>
# @DESCRIPTION:
@ -1805,6 +1850,42 @@ changelog() {
}
######################################
#--[ Subcommand print-system-reqs ]--#
######################################
# @FUNCTION: system_reqs_url
# @USAGE: <distro-alias>
# @DESCRIPTION:
# Mapping of distro-alias to system requirements URL.
system_reqs_url() {
[ -z "$1" ] && die "Internal error: no argument given to system_reqs_url"
case "$1" in
"debian"|"ubuntu")
printf "%s/.requirements/ghc/ubuntu" "${BASE_DOWNLOAD_URL}"
;;
*)
printf "%s/.requirements/ghc/default" "${BASE_DOWNLOAD_URL}"
;;
esac
}
# @FUNCTION: print_system_reqs
# @DESCRIPTION:
# Print the system requirements (approximation).
print_system_reqs() {
mydistro=$(get_distro_alias "$(get_distro_name)")
reqs_url=$(system_reqs_url "${mydistro}")
download_to_stdout "${reqs_url}"
unset mydistro reqs_url
}
#######################
@ -1846,6 +1927,7 @@ while [ $# -gt 0 ] ; do
-w|--wget)
DOWNLOADER="wget"
DOWNLOADER_OPTS=""
DOWNLOADER_STDOUT_OPTS="-qO-"
shift 1
if [ $# -lt 1 ] ; then
usage
@ -2068,6 +2150,16 @@ while [ $# -gt 0 ] ; do
fi
fi
break;;
print-system-reqs)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) print_system_reqs_usage;;
*) print_system_reqs_usage;;
esac
done
print_system_reqs
break;;
*) usage;;
esac
break;;