Revision 1144
Added by Aaron Marcuse-Kubitza almost 13 years ago
| env_password | ||
|---|---|---|
| 5 | 5 |
|
| 6 | 6 |
set -o pipefail |
| 7 | 7 |
|
| 8 |
test -t 2 && ccTty= || ccTty=1 # cc the tty if stderr is a log file |
|
| 9 |
{
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|
| 10 | 8 |
store= |
| 11 |
test _"$1" = _- && { store=1; shift;}
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|
| 9 |
test "$1" = - && { store=1; shift;}
|
|
| 12 | 10 |
|
| 13 | 11 |
if ! test "$#" -ge 1; then |
| 14 |
echo "Usage: . $self env_var [desc] (note initial \".\")"|fold -s |
|
| 12 |
echo "Usage: . $self env_var [desc] (note initial \".\")"|fold -s >&2
|
|
| 15 | 13 |
exit 2 |
| 16 | 14 |
fi |
| 17 | 15 |
|
| 18 | 16 |
desc="$2" |
| 19 | 17 |
test -n "$desc" || desc="the $1 password" |
| 20 | 18 |
|
| 21 |
function trace() |
|
| 22 |
{
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| 23 |
{ for arg in "$@"; do printf "%q " "$arg"; done; echo;}
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| 24 |
} |
|
| 19 |
function trace() { for arg in "$@"; do printf "%q " "$arg"; done; echo;}
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| 25 | 20 |
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| 21 |
function traceSelf() { trace . "$self" - "$@";}
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| 22 |
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| 26 | 23 |
if test -n "$store" -o -z "${!1+t}"; then # env var with name $1 is unset
|
| 27 | 24 |
if test -n "$store"; then |
| 28 |
echo "[7m To change the saved value for $desc, run: [0m" |
|
| 25 |
echo "[7m To change the saved value for $desc, run: [0m" >&2 |
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| 26 |
traceSelf "$@" >&2 |
|
| 29 | 27 |
else |
| 28 |
test -t 2 && ccTty= || ccTty=1 # cc the tty if stderr is a log file |
|
| 29 |
{
|
|
| 30 | 30 |
echo "[101;97m You must first store $desc. At the shell, run: [39;49m" |
| 31 |
traceSelf "$@" |
|
| 32 |
}|tee ${ccTty:+/dev/tty} >&2
|
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| 31 | 33 |
fi |
| 32 |
trace . "$self" - "$@" |
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| 33 | 34 |
|
| 34 | 35 |
test -z "$store" && exit 1 # just direct user how to store password |
| 35 | 36 |
read -s -p "Enter $desc: "; echo |
| 36 | 37 |
export "$1"="$REPLY" |
| 37 | 38 |
fi |
| 38 |
} 2>&1|tee ${ccTty:+/dev/tty} >&2 || exit
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Also available in: Unified diff
env_password: Fixed to set the environment variable in the calling shell. Do this by cc-ing the tty only on messages before the "Enter password" prompt, because the redirect creates a subshell which causes the env var to only be set within that subshell.