tvl-depot/third_party/git/t/t4213-log-tabexpand.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='log/show --expand-tabs'
. ./test-lib.sh
HT=" "
title='tab indent at the beginning of the title line'
body='tab indent on a line in the body'
# usage: count_expand $indent $numSP $numHT @format_args
count_expand ()
{
expect=
count=$(( $1 + $2 )) ;# expected spaces
while test $count -gt 0
do
expect="$expect "
count=$(( $count - 1 ))
done
shift 2
count=$1 ;# expected tabs
while test $count -gt 0
do
expect="$expect$HT"
count=$(( $count - 1 ))
done
shift
# The remainder of the command line is "git show -s" options
case " $* " in
*' --pretty=short '*)
line=$title ;;
*)
line=$body ;;
esac
# Prefix the output with the command line arguments, and
# replace SP with a dot both in the expected and actual output
# so that test_cmp would show the difference together with the
# breakage in a way easier to consume by the debugging user.
{
echo "git show -s $*"
echo "$expect$line"
} | sed -e 's/ /./g' >expect
{
echo "git show -s $*"
git show -s "$@" |
sed -n -e "/$line\$/p"
} | sed -e 's/ /./g' >actual
test_cmp expect actual
}
test_expand ()
{
fmt=$1
case "$fmt" in
*=raw | *=short | *=email)
default="0 1" ;;
*)
default="8 0" ;;
esac
case "$fmt" in
*=email)
in=0 ;;
*)
in=4 ;;
esac
test_expect_success "expand/no-expand${fmt:+ for $fmt}" '
count_expand $in $default $fmt &&
count_expand $in 8 0 $fmt --expand-tabs &&
count_expand $in 8 0 --expand-tabs $fmt &&
count_expand $in 8 0 $fmt --expand-tabs=8 &&
count_expand $in 8 0 --expand-tabs=8 $fmt &&
count_expand $in 0 1 $fmt --no-expand-tabs &&
count_expand $in 0 1 --no-expand-tabs $fmt &&
count_expand $in 0 1 $fmt --expand-tabs=0 &&
count_expand $in 0 1 --expand-tabs=0 $fmt &&
count_expand $in 4 0 $fmt --expand-tabs=4 &&
count_expand $in 4 0 --expand-tabs=4 $fmt
'
}
test_expect_success 'setup' '
test_tick &&
sed -e "s/Q/$HT/g" <<-EOF >msg &&
Q$title
Q$body
EOF
git commit --allow-empty -F msg
'
test_expand ""
test_expand --pretty
test_expand --pretty=short
test_expand --pretty=medium
test_expand --pretty=full
test_expand --pretty=fuller
test_expand --pretty=raw
test_expand --pretty=email
test_done