# Ensure the environment meets all of the requirements.
assert_fish_version_compatible 2.2.0
assert_git_version_compatible 1.9.5
assert_cmds
# Do the check only.
if set -q CHECK_ONLY
sane_environment_check
return
end
assert_interactive
# Ensure the environment meets all of the requirements.
if not sane_environment_check
abort "Environment does not meet the requirements."
end
# If the user wants to uninstall, jump to uninstallation and exit.
if set -q UNINSTALL
uninstall_omf
@ -123,7 +139,18 @@ end
# Add an exit hook to display a message if the installer aborts or errors.
function on_exit -p %self
if not contains $argv[3] 0 2
echo -e "\nOh My Fish installation failed.\n\nIf you think that it's a bug, please open an\nissue with the complete installation log here:\n\nhttp://github.com/oh-my-fish/oh-my-fish/issues"
echo "
Oh My Fish installation failed.
If you think that it's a bug, please open an
issue with the complete installation log here:
http://github.com/oh-my-fish/oh-my-fish/issues"
if not set -q VERBOSE
echo
echo "Try rerunning with --verbose to see additional output."
end
end
end
@ -421,6 +448,45 @@ function restore_backup_file -a file_path
end
# Verify we have a sane environment that OMF can run in.
function sane_environment_check
say "Checking for a sane environment..."
assert_cmds
debug "Checking for a sane 'head' implementation"
set -l result (printf 'a\nb\n' | cmd head -n 1)
and test "$result" = 'a'
or abort (which head)" is not a sane 'head' implementation"
debug "Checking for a sane 'sort' implementation"
set -l result (printf '1.2.3\n2.2.4\n1.2.4\n' | cmd sort -r -n -t '.' -k 1,1 -k 2,2 -k 3,3 -k 4,4)
and set -q result[3]
and test "$result[1]" = 2.2.4
and test "$result[2]" = 1.2.4
and test "$result[3]" = 1.2.3
or abort (which sort)" is not a sane 'sort' implementation"
debug "Checking for a working AWK interpreter"
cmd awk 'BEGIN{exit 42;}' < /dev/null ^ /dev/null
if not test $status -eq 42
abort (which awk)" does not look like an AWK interpreter."
end
assert_fish_version_compatible 2.2.0
assert_git_version_compatible 1.9.5
debug "Verifying Git implementation is not buggy Git for Windows"
if cmd git --version | cmd grep -i -q windows
abort (which git)" is Git for Windows which is not supported."
end
debug "Verifying Git autocrlf is not enabled"
if test (cmd git config --bool core.autocrlf; or echo false) = true
abort "Please disable core.autocrlf in your Git configuration."
end
end
# Gets the version of Fish installed.
function get_fish_version
if set -q FISH_VERSION
@ -492,11 +558,13 @@ end
# Assert that all tools we need are available.
function assert_cmds
set -l cmds awk basename cp cut date dirname fold head mkdir mv rm sed sort tar tr
set -l cmds awk basename cp cut date dirname env fish fold head mkdir mv readlink rm sed sort tar tr which
Stephen M. Coakley
6 years ago
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GitHub