| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Build stamp
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| 4 | #
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| 5 | # Usage:
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| 6 | # build/stamp.sh <function name>
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| 7 |
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| 8 | REPO_ROOT=$(cd $(dirname $0)/..; pwd)
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| 9 | source build/common.sh
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| 10 |
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| 11 | write-release-date() {
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| 12 | mkdir -p _build # Makefile makes this, but scripts/release.sh needs it too
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| 13 |
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| 14 | # Write a readable, sortable date that is independent of time zone.
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| 15 | date --utc --rfc-3339 seconds > _build/release-date.txt
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| 16 | }
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| 17 |
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| 18 | write-git-commit() {
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| 19 | ### Write git commit only if we need to
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| 20 | # Ninja works on timestamps, so we don't want to cause rebuilds.
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| 21 |
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| 22 | local out=_build/git-commit.txt
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| 23 | mkdir -p _build
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| 24 |
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| 25 | # This check is not quite accurate, since you can modify a file, and then run
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| 26 | # Ninja without running build/py.sh all, which calls this function. But it's
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| 27 | # better than nothing.
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| 28 | if ! git diff --quiet; then
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| 29 | log 'Working tree is dirty'
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| 30 |
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| 31 | #rm -f -v $out
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| 32 | echo '<unknown>' > $out
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| 33 | return
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| 34 | fi
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| 35 |
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| 36 | local hash
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| 37 | hash=$(git log -n 1 --pretty='format:%H')
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| 38 |
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| 39 | # Don't disturb the timestamp if it exists!
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| 40 | if test -f $out; then
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| 41 | local old
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| 42 | read -r old < $out
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| 43 |
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| 44 | if test "$old" = "$hash"; then
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| 45 | log "Unchanged git commit $hash, skipping $out"
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| 46 | return
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| 47 | else
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| 48 | log "Overwriting $out with $hash"
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| 49 | fi
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| 50 | fi
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| 51 |
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| 52 | echo $hash > $out
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| 53 | #log "Wrote $out ($hash)"
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| 54 | }
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| 55 |
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| 56 | gen-cpp() {
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| 57 | ### For printing out in --version
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| 58 |
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| 59 | local in=$1 # stamp from Ninja
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| 60 | local h_out=$2
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| 61 | local cc_out=$3
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| 62 |
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| 63 | local hash
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| 64 | read -r hash < $in
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| 65 | #log hash=$hash
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| 66 |
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| 67 | cat >$h_out <<EOF
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| 68 | extern const char* gCommitHash;
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| 69 | EOF
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| 70 |
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| 71 | cat >$cc_out <<EOF
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| 72 | const char* gCommitHash = "$hash";
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| 73 | EOF
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| 74 | }
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| 75 |
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| 76 | "$@"
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