version: relax git detection logic (again)

This is a repeat of commit 3aa68cd397
which was lost in a rework of version.sh.

git worktrees have a .git file rather than a .git directory, so building
in a worktree caused version.sh to generate an error.

Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>
pull/997/head
Adrian Dewhurst 4 years ago committed by Adrian Dewhurst
parent bce865b61b
commit 943860fde7

@ -31,7 +31,7 @@ case $# in
if [ -z "$extra_hash_or_dir" ]; then
# Nothing, empty extra hash is fine.
extra_hash=""
elif [ -d "$extra_hash_or_dir/.git" ]; then
elif [ -e "$extra_hash_or_dir/.git" ]; then
extra_hash=$(git_hash_dirty "$extra_hash_or_dir" HEAD)
elif ! expr "$extra_hash_or_dir" : "^[0-9a-f]*$"; then
echo "Invalid extra hash '$extra_hash_or_dir', must be a git commit or path to a git repo" >&2

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