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checkout commits in s2n-bignum import.sh #2646

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checkout commits in s2n-bignum import.sh #2646

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6ca18fc
Add support for checking out specific commits in s2n-bignum import.sh
manastasova Aug 27, 2025
4f9ee1e
Simplify import file
manastasova Oct 2, 2025
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20 changes: 12 additions & 8 deletions third_party/s2n-bignum/import.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,16 +19,16 @@ set -euo pipefail
# This imports s2n-bignum from https://github.com/awslabs/s2n-bignum
# and leaves import meta data in META.yml.
#
# If you want to import a specific branch/tag or from a specific repository
# either set GITHUB_TARGET or GITHUB_REPOSITORY as below:
# If you want to import a specific commit from a specific repository
# either set COMMIT_HASH or GITHUB_REPOSITORY as below:
#
# ```
# GITHUB_REPOSITORY=<repo owner>/<repo name> GITHUB_TARGET=<branch or tag> ./import.sh
# GITHUB_REPOSITORY=<repo owner>/<repo name> COMMIT_HASH=<commit hash> ./import.sh
# ```

GITHUB_SERVER_URL="https://github.com/"
GITHUB_REPOSITORY=${GITHUB_REPOSITORY:=awslabs/s2n-bignum.git}
GITHUB_TARGET=${GITHUB_TARGET:=main}
COMMIT_HASH=${COMMIT_HASH:=main}

SRC="s2n-bignum-imported"
TMP="TEMP_CAN_DELETE"
Expand All @@ -48,8 +48,13 @@ fi
mkdir ${TMP}

echo "Fetching repository ..."
git clone ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} ${TMP} --branch ${GITHUB_TARGET} --single-branch > /dev/null
GITHUB_COMMIT=$(cd ${TMP} >/dev/null; git rev-parse HEAD)
cd ${TMP}
git init >/dev/null
git remote add origin $GITHUB_SERVER_URL/$GITHUB_REPOSITORY >/dev/null
git fetch origin --depth 1 $COMMIT_HASH >/dev/null
git checkout FETCH_HEAD >/dev/null
GITHUB_COMMIT=$(git rev-parse FETCH_HEAD)
cd ..

echo "Cloned s2n-bignum folder"
ls -la ${TMP}
Expand Down Expand Up @@ -97,12 +102,11 @@ cat <<EOF > META.yml
name: ${SRC}
source: ${GITHUB_REPOSITORY}
commit: ${GITHUB_COMMIT}
target: ${GITHUB_TARGET}
imported-at: $(env TZ=UTC date "+%Y-%m-%dT%H:%M:%S%z")
EOF

# Submodule path might be cached.
echo ""
echo "Post actions: Run"
echo "$ git add ${SRC} META.yml ; git commit -m \"Imported s2n-bignum version: ${GITHUB_TARGET}/${GITHUB_COMMIT}\""
echo "$ git add ${SRC} META.yml ; git commit -m \"Imported s2n-bignum version: ${GITHUB_COMMIT}\""
echo "to add new source to git tree"
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