rust-core_io/functions.sh

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#!/bin/bash
git_file_exists() {
[ "$(git ls-tree --name-only $IO_COMMIT -- $1)" = "$1" ]
}
git_extract() {
slashes=${1//[^\/]/}
git archive $IO_COMMIT $1|tar xf - -C src/$IO_COMMIT --strip-components=${#slashes}
}
git_commits_ordered() {
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format="$1"
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shift
if [ $# -ge 1 ]; then
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git log --topo-order --no-walk=sorted --date=iso-local --pretty=format:"$format" "$@"
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fi
echo
}
echo_lines() {
for i in "$@"; do
echo $i
done
}
get_io_commits() {
for COMPILER_COMMIT in $COMPILER_COMMITS; do
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IO_COMMIT=$(git log -n1 --pretty=format:%H $COMPILER_COMMIT -- src/libstd/io library/std/src/io)
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if ! grep -q $COMPILER_COMMIT mapping.rs; then
echo "-Mapping(\"$COMPILER_COMMIT\",\"$IO_COMMIT\")" >> mapping.rs
fi
echo $IO_COMMIT
done
}
get_patch_commits() {
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find $PATCH_DIR -type f -print0|xargs -0 -n 1 basename|cut -d. -f1
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}
prepare_version() {
mkdir src/$IO_COMMIT
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if git_file_exists library/std/src/io/mod.rs; then
git_extract library/std/src/io/
else
git_extract src/libstd/io/
fi
if git_file_exists library/core/src/slice/memchr.rs; then
true
elif git_file_exists src/libcore/slice/memchr.rs; then
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true
elif git_file_exists src/libstd/sys_common/memchr.rs; then
git_extract src/libstd/sys_common/memchr.rs
elif git_file_exists src/libstd/sys/common/memchr.rs; then
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git_extract src/libstd/sys/common/memchr.rs
else
git_extract src/libstd/memchr.rs
fi
rm -f src/$IO_COMMIT/stdio.rs src/$IO_COMMIT/lazy.rs
}
bold_arrow() {
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echo -ne '\033[1;36m==> \033[0m'
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}
custom_bashrc() {
echo '
if [ -f ~/.bashrc ]; then . ~/.bashrc; fi
try_patch() {
patch -p1 < ../../patches/$1.patch
}
'
}
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bash_diff_loop() {
bash --rcfile <(custom_bashrc) <> /dev/stderr
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while git diff --exit-code > /dev/null; do
bold_arrow; echo "$1"
while true; do
bold_arrow; echo -n "(T)ry again or (A)bort? "
read answer <> /dev/stderr
case "$answer" in
[tT])
break
;;
[aA])
bold_arrow; echo "Aborting..."
exit 1
;;
esac
done
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bash --rcfile <(custom_bashrc) <> /dev/stderr
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done
}