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#!/usr/bin/env bash
set -e
USAGE="Update links to docs.rs in a tokio crate
USAGE:
$(basename "$0") [OPTIONS] [CRATE] [VERSION]
OPTIONS:
-d, --dry-run Perform a dry run (do not modify any file)
-h, --help Show this help text and exit"
err() {
echo -e "\e[31m\e[1merror:\e[0m $@" 1>&2;
}
status() {
WIDTH=12
printf "\e[32m\e[1m%${WIDTH}s\e[0m %s\n" "$1" "$2"
}
c1grep() { grep "$@" || test $? = 1; }
update_versions_in_doc() {
# Print what is being/would be done
if [ -n "$DRY_RUN" ]; then
local MSG="Would change:"
else
local MSG="Updating:"
fi
git grep -lr "docs.rs/$CRATE/" \
| xargs sed --quiet \
-E "s|docs.rs/$CRATE/[0-9.]+|docs.rs/$CRATE/$VERSION|gp" \
| sed -e "s/^/$MSG /"
# Apply changes if not in dry run
if [ -z "$DRY_RUN" ]; then
git grep -lr "docs.rs/$CRATE/" \
| xargs sed -i \
-E "s|docs.rs/$CRATE/[0-9.]+|docs.rs/$CRATE/$VERSION|g"
fi
}
update() {
update_versions_in_doc
}
show_outdated() {
OUTDATED=$(git grep -rn "docs.rs/$CRATE/" \
| c1grep -v "$VERSION" \
| sed -e 's/^/ - /')
if [[ -n "$OUTDATED" ]]; then
echo "Found the following links to docs.rs with an outdated version:"
echo "$OUTDATED"
echo
else
echo "Nothing to do."
exit 1
fi
}
while [[ $# -gt 0 ]]
do
case "$1" in
-h|--help)
echo "$USAGE"
exit 0
;;
-d|--dry-run)
DRY_RUN="--dry-run"
shift
;;
-*)
err "unknown flag \"$1\""
echo "$USAGE"
exit 1
;;
*) # crate or version
if [ -z "$CRATE" ]; then
CRATE="$1"
elif [ -z "$VERSION" ]; then
VERSION="$1"
else
err "unknown positional argument \"$1\""
echo "$USAGE"
exit 1
fi
shift
;;
esac
done
# set -- "${POSITIONAL[@]}"
if [ -z "$VERSION" ]; then
err "no version specified!"
HELP=1
fi
if [ -n "$CRATE" ]; then
TAG="$CRATE-$VERSION"
else
err "no crate specified!"
HELP=1
fi
if [ -n "$HELP" ]; then
echo "$USAGE"
exit 1
fi
if [ -d "$CRATE" ]; then
# Does not cd in order to update everywhere
show_outdated && update
else
err "no such crate \"$CRATE\""
exit 1
fi
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