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bash: restructured bashrc and bash_profile so they won't cause problems with scp

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This commit is contained in:
Gregor Bückendorf 2018-12-16 13:39:45 +01:00
parent 5ae5f29898
commit 3ea46d1f59
2 changed files with 64 additions and 50 deletions
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9
.bash_profile
View file

@ -14,13 +14,16 @@ for file in ~/.environment.d/*.env; do
done
set +a
# Source the .bashrc if the Filedescriptor for stdin is opened. This is a very
unset -v file
# Source the .bashrc if the file descriptor for stdin is opened. This is a very
# simple test to determine if the .bash_profile was sourced from VT or SSH-login
# where the .bashrc has to be sourced to provide a similar environment to a
# terminal emulator. Found here:
# https://eklitzke.org/effectively-using-bash-profile
if [[ -t 0 && -r ~/.bashrc ]]; then
# I had to move the actual test '-t 0' over to the bashrc. More information as
# to why can be found there.
if [[ -r ~/.bashrc ]]; then
. ~/.bashrc
fi
unset -v file

45
.bashrc
View file

@ -1,4 +1,14 @@
# .bashrc
# Don't load the bashrc if the terminal is not interactive. More information
# on how this test works can be found at the end of the bash_profile. I had to
# move this test here, because in remote shells the bashrc is sourced directly,
# wether the shell is really interactive or not. A brief explanation of this
# behaviour can be found here:
# https://unix.stackexchange.com/questions/257571
if ! [[ -t 0 ]]; then
return 0
fi
# Source global definitions
if [[ -r /etc/bashrc ]]; then
. /etc/bashrc
@ -6,27 +16,28 @@ fi
# Bash 4 or bust
if (( BASH_VERSINFO[0] < 4 )); then
echo "Please get a newer version of Bash."
echo "Your bashrc won't work otherwise."
else
echo "Please get a newer version of Bash." >&2
echo "Your bashrc won't work otherwise." >&2
return 1
fi
# Basic safe boolean evaluation. See this Gist for details:
# https://gist.github.com/gliech/184dc7566821442202f21dfe15e2b7ff
function truthy {
# Basic safe boolean evaluation. See this Gist for details:
# https://gist.github.com/gliech/184dc7566821442202f21dfe15e2b7ff
function truthy {
if [[ "${1,,}" == @(y|yes|on|true|1) ]]; then
return 0
fi
return 1
}
}
function falsy {
function falsy {
if [[ "${1,,}" == @(n|no|off|false|0) ]]; then
return 0
fi
return 1
}
}
function true_false_default {
function true_false_default {
case "${1,,}" in
y | yes | on | true | 1)
return 0 ;;
@ -36,11 +47,11 @@ else
shift
eval "$@"
return 1
}
}
export -f truthy falsy true_false_default
export -f truthy falsy true_false_default
if truthy $DOTFILES_ACTIVE; then
if truthy $DOTFILES_ACTIVE; then
# Source .bashrc.d
for file in ~/.bashrc.d/*.sh; do
@ -49,9 +60,9 @@ else
unset -v file
elif [[ ! -v DOTFILES_ACTIVE ]]; then
echo "Dotfiles environment not found."
echo "You should probably reload your login session before proceeding."
fi
elif [[ ! -v DOTFILES_ACTIVE ]]; then
echo "Dotfiles environment not found." >&2
echo "You should probably reload your login session before proceeding." >&2
return 1
fi