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Andrea Cardaci 8eaf595fe6 Make interactive execute whenever possible

Here the trick is to restore those file descriptors (0, 1, 2) that have been
redirected (`dup2`) by the parent process.

First we need to determine which one has been redirected, for example by looking
at `ls -l /proc/$$/fd/`. Then we can use `0<&x`, `1>&x` or `2>&x` to restore 0,
1 or 2 respectively, where `x` is any file descriptor number that points to the
TTY.

It may happen that no file descriptor is unchanged, in that case we can use
`tty` to perform the redirection: sh <$(tty) >$(tty) 2>$(tty)

2018-09-07 01:11:06 +02:00

243 B

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functions

execute-interactive

sudo-enabled

suid-limited

code
PAGER='sh -c "exec sh 0<&1"' git -p help

code
PAGER='sh -c "exec sh 0<&1"' sudo -E git -p help

code
PAGER='sh -c "exec sh 0<&1"' ./git -p help

243 B Raw Blame History

243 B

Raw Blame History