I was running vagrant provision
today and it failed with the following error:
Package configuration┌──────────────────────────┤ Configuring grub-pc ├──────────────────────────┐│││
The GRUB boot loader was previously installed to a disk that is no
││ longer present, or whose unique identifier has changed for some reason.
││ It is important to make sure that the installed GRUB core image stays in
││ sync with GRUB modules and grub.cfg. Please check again to make sure
││ that GRUB is written to the appropriate boot devices.
││││ If you're unsure which drive is designated as boot drive by your BIOS,
││ it is often a good idea to install GRUB to all of them.
││││ Note: it is possible to install GRUB to partition boot records as well,
││ and some appropriate partitions are offered here. However, this forces
││ GRUB to use the blocklist mechanism, which makes it less reliable, and
││ therefore is not recommended.
││││<Ok>│││└───────────────────────────────────────────────────────────────────────────┘
But then, to my surprise, it started printing a stack trace in a very strange encoding...
STDERR: F▒␋┌␊␍ ├⎺ ⎺⎻␊┼ ├␊⎼└␋┼▒┌.␍␊␉␌⎺┼°: ┬␋⎻├▒␋┌ ⎺┤├⎻┤├ ├␊ ▒␉⎺┴␊ ␊⎼⎼⎺⎼⎽, ±␋┴␋┼± ┤⎻!
␍⎻┐±: ␊⎼⎼⎺⎼ ⎻⎼⎺␌␊⎽⎽␋┼± ±⎼┤␉-⎻␌ (--␌⎺┼°␋±┤⎼␊):
⎽┤␉⎻⎼⎺␌␊⎽⎽ ␋┼⎽├▒┌┌␊␍ ⎻⎺⎽├-␋┼⎽├▒┌┌▒├␋⎺┼ ⎽␌⎼␋⎻├ ⎼␊├┤⎼┼␊␍ ␊⎼⎼⎺⎼ ␊│␋├ ⎽├▒├┤⎽ 255
E⎼⎼⎺⎼⎽ ┬␊⎼␊ ␊┼␌⎺┤┼├␊⎼␊␍ ┬␋┌␊ ⎻⎼⎺␌␊⎽⎽␋┼±:
±⎼┤␉-⎻␌
E: S┤␉-⎻⎼⎺␌␊⎽⎽ /┤⎽⎼/␉␋┼/␍⎻┐± ⎼␊├┤⎼┼␊␍ ▒┼ ␊⎼⎼⎺⎼ ␌⎺␍␊ (1)
---- E┼␍ ⎺┤├⎻┤├ ⎺° ▒⎻├-±␊├ ┤⎻±⎼▒␍␊ -≤ ----
R▒┼ ▒⎻├-±␊├ ┤⎻±⎼▒␍␊ -≤ ⎼␊├┤⎼┼␊␍ 100
R␊⎽⎺┤⎼␌␊ D␊␌┌▒⎼▒├␋⎺┼:
---------------------
# I┼ /┴▒⎼/␌␊°/␌▒␌␊/␌⎺⎺┐␉⎺⎺┐⎽/␌⎺└└⎺┼-⎽⎺°├┬▒⎼␊/⎼␊␌␋⎻␊⎽/␍␊°▒┤┌├.⎼␉
49: ␊│␊␌┤├␊ "▒⎻├-±␊├-┤⎻±⎼▒␍␊-≤" ␍⎺
50: ␌⎺└└▒┼␍ "▒⎻├-±␊├ ┤⎻±⎼▒␍␊ -≤"
51: ␊┼␍
C⎺└⎻␋┌␊␍ R␊⎽⎺┤⎼␌␊:
------------------
# D␊␌┌▒⎼␊␍ ␋┼ /┴▒⎼/␌␊°/␌▒␌␊/␌⎺⎺┐␉⎺⎺┐⎽/␌⎺└└⎺┼-⎽⎺°├┬▒⎼␊/⎼␊␌␋⎻␊⎽/␍␊°▒┤┌├.⎼␉:49:␋┼ ◆°⎼⎺└_°␋┌␊'
␊│␊␌┤├␊("▒⎻├-±␊├-┤⎻±⎼▒␍␊-≤") ␍⎺
⎼␊├┤⎼┼⎽ 0
␌⎺└└▒┼␍ "▒⎻├-±␊├ ┤⎻±⎼▒␍␊ -≤"
▒␌├␋⎺┼ "⎼┤┼"
⎼␊␌␋⎻␊_┼▒└␊ "␍␊°▒┤┌├"
⎼␊├⎼≤_␍␊┌▒≤ 2
␌⎺⎺┐␉⎺⎺┐_┼▒└␊ "␌⎺└└⎺┼-⎽⎺°├┬▒⎼␊"
␉▒␌┐┤⎻ 5
⎼␊├⎼␋␊⎽ 0
␊┼␍
And the terminal prompt returned...in that same encoding! All my input was converted to that encoding (capital letters appeared as usual though).
My question is: why does Vagrant change the encoding of my terminal window, and does it have something to do with the GRUB error?
I'm on a Macbook Pro.
If you are using apt-get upgrade/dist-upgrade, try it:
sudo DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade
I wrote a function for it. Just copy paste it into your provision script:
function aptget {
# to prevent encoding problem
sudo DEBIAN_FRONTEND=noninteractive apt-get -y \
-o Dpkg::Options::="--force-confdef" \
-o Dpkg::Options::="--force-confold" \
$@
}
aptget update
aptget upgrade
Note: I had posted this as a comment to @gustavohenrique's answer but it didn't had a good format as a comment. So, I've posted this as an answer although it's a duplicate answer. It's more of a supplement. Sorry for the disruption.
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