OILS
/
build
/
stamp.sh
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#!/usr/bin/env bash
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#
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# Build stamp
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#
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# Usage:
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# build/stamp.sh <function name>
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REPO_ROOT=$(cd $(dirname $0)/..; pwd)
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source build/common.sh
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write-release-date() {
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mkdir -p _build # Makefile makes this, but scripts/release.sh needs it too
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# Write a readable, sortable date that is independent of time zone.
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date --utc --rfc-3339 seconds > _build/release-date.txt
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}
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write-git-commit() {
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### Write git commit only if we need to
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# Ninja works on timestamps, so we don't want to cause rebuilds.
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local out=_build/git-commit.txt
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mkdir -p _build
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# This check is not quite accurate, since you can modify a file, and then run
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# Ninja without running build/py.sh all, which calls this function. But it's
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# better than nothing.
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if ! git diff --quiet; then
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log 'Working tree is dirty'
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#rm -f -v $out
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echo '<unknown>' > $out
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return
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fi
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local hash
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hash=$(git log -n 1 --pretty='format:%H')
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# Don't disturb the timestamp if it exists!
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if test -f $out; then
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local old
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read -r old < $out
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if test "$old" = "$hash"; then
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log "Unchanged git commit $hash, skipping $out"
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return
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else
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log "Overwriting $out with $hash"
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fi
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fi
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echo $hash > $out
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#log "Wrote $out ($hash)"
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}
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gen-cpp() {
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### For printing out in --version
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local in=$1 # stamp from Ninja
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local h_out=$2
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local cc_out=$3
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local hash
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read -r hash < $in
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#log hash=$hash
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cat >$h_out <<EOF
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extern const char* gCommitHash;
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EOF
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cat >$cc_out <<EOF
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const char* gCommitHash = "$hash";
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EOF
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}
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"$@"
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