51 lines
1.4 KiB
Bash
Executable file
51 lines
1.4 KiB
Bash
Executable file
#!/bin/bash
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set -eu
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# make git_dir and GIT_INDEX_FILE absolute, before we change dir
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#
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# (don't actually set GIT_DIR, because it messes up `go get`, and several of
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# the go commands run `go get` indirectly)
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#
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git_dir=$(readlink -f `git rev-parse --git-dir`)
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if [ -n "${GIT_INDEX_FILE:+x}" ]; then
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export GIT_INDEX_FILE=$(readlink -f "$GIT_INDEX_FILE")
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fi
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wd=`pwd`
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# create a temp dir. The `trap` incantation will ensure that it is removed
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# again when this script completes.
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tmpdir=`mktemp -d`
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trap 'rm -rf "$tmpdir"' EXIT
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cd "$tmpdir"
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# get a clean copy of the index (ie, what has been `git add`ed), so that we can
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# run the checks against what we are about to commit, rather than what is in
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# the working copy.
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git --git-dir="${git_dir}" checkout-index -a
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# run our checks
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go fmt
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./scripts/lint.sh
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go test
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# we're done with go so can set GIT_DIR
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export GIT_DIR="$git_dir"
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# if there are no changes from the index, we are done
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git diff --quiet && exit 0
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# we now need to apply any changes made to both the index and the working copy.
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# so, first get a patch
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git diff > "$GIT_DIR/pre-commit.patch"
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# add the changes to the index
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git add -u
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# attempt to apply the changes to the wc (but don't fail the commit for it if
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# there are conflicts).
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cd "$wd"
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git apply "$GIT_DIR/pre-commit.patch" 2>/dev/null &&
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rm "$GIT_DIR/pre-commit.patch" ||
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echo "warning: unable to apply changes from commit hook to working copy; patch is in $GIT_DIR/pre-commit.patch" >&2
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