Created
June 19, 2022 19:51
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#!/bin/bash | |
dry=0 | |
if [[ $# -gt 0 && $1 == "-n" ]]; then | |
dry=1 | |
shift | |
fi | |
prefix="v" | |
if [[ $# -gt 0 ]]; then | |
if [[ $1 = -* || $# -gt 1 ]]; then | |
echo "Usage: $0 [-n] [prefix]" | |
exit 1 | |
fi | |
prefix="$1" | |
shift | |
fi | |
function tag() { | |
local v=$1 | |
local hash=$2 | |
local tag="${prefix}${v}" | |
if git rev-parse "$tag" > /dev/null 2>&1; then | |
existing=$(git rev-parse "$tag^{}") | |
if [[ $hash == $existing ]]; then | |
echo "$hash $tag (already tagged)" | |
else | |
echo "$hash $tag (already tagged at $existing)" | |
fi | |
return | |
fi | |
if [[ $dry -eq 0 ]]; then | |
git tag -a -m "Release $tag" "$tag" "$hash" | |
fi | |
echo "$hash $tag" | |
} | |
# in case we're in a subdir: | |
cargo_toml=$(git ls-files --full-name Cargo.toml) | |
was="" | |
last_hash="" | |
last_name="" | |
function walk() { | |
local cargo_toml=$1 | |
local start_hash=$2 | |
for hash in $(git log --first-parent --format=oneline "$start_hash" -- "$cargo_toml" | awk '{print $1}'); do | |
n=$(git show "$hash:$cargo_toml" | grep -P '^name\s*=' | head -n1 | sed -e 's/[^"]*"//' -e 's/".*//') | |
v=$(git show "$hash:$cargo_toml" | grep -P '^version\s*=' | head -n1 | sed -e 's/[^"]*"//' -e 's/".*//') | |
if [[ -z "$last_name" ]]; then | |
last_name=$n | |
elif [[ -z "$n" ]]; then | |
# probably a workspace -- try a little harder to retrace versions | |
local cargo_toml="${cargo_toml%Cargo.toml}$last_name/Cargo.toml" | |
if ! git cat-file -e $hash:$cargo_toml 2>/dev/null; then | |
echo "!! crate disappeared -- stopping." > /dev/stderr | |
return | |
fi | |
n=$(git show "$hash:$cargo_toml" | grep -P '^name\s*=' | head -n1 | sed -e 's/[^"]*"//' -e 's/".*//') | |
if [[ -z "$n" ]]; then | |
echo "!! could not determine name of crate in workspace -- stopping." > /dev/stderr | |
return | |
elif [[ $last_name != $n ]]; then | |
echo "!! name changed from $n (in workspace) to $last_name -- stopping." > /dev/stderr | |
return | |
else | |
# restart within workspace | |
echo ".. following crate into workspace $last_name" | |
walk "$cargo_toml" "$hash" | |
return | |
fi | |
elif [[ $last_name != $n ]]; then | |
echo "!! name changed from $n to $last_name -- stopping." > /dev/stderr | |
break | |
fi | |
if [[ $was == $v ]]; then | |
# same version -- keep walking until we hit the previous | |
last_hash=$hash | |
continue | |
fi | |
if [[ $was = ${v}-* ]]; then | |
# pushed an alpha/beta/rc *after* main version? | |
# no, main version cannot have been released as non-alpha first | |
continue | |
fi | |
if [[ -z "$was" ]]; then | |
# start search | |
was="$v" | |
last_hash="$hash" | |
continue | |
fi | |
# this hash has a different hash than the previous one. so tag the last | |
# hash with the last version number, since that was the first hash at | |
# which that version number appeared. | |
tag "$was" "$last_hash" | |
last_hash="$hash" | |
was=$v | |
done | |
} | |
walk "$cargo_toml" "HEAD" | |
# tag the first commit that has this Cargo.toml | |
tag "$was" "$last_hash" |
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