36 lines
757 B
Bash
Executable File
36 lines
757 B
Bash
Executable File
#!/usr/bin/env bash
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export LANG=C
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export LC_ALL=C
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if [ -n "$TOPDIR" ]; then
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cd "$TOPDIR" || exit 1
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fi
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SOURCE="${1:-.}"
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try_version() {
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[ -f "$SOURCE/version.date" ] || return 1
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SOURCE_DATE_EPOCH=$(cat "$SOURCE/version.date")
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[ -n "$SOURCE_DATE_EPOCH" ]
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}
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try_git() {
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SOURCE_DATE_EPOCH=$(git -C "$SOURCE" log -1 --format=format:%ct \
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"$SOURCE" 2>/dev/null)
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[ -n "$SOURCE_DATE_EPOCH" ]
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}
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try_hg() {
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SOURCE_DATE_EPOCH=$(hg --cwd "$SOURCE" log --template '{date}' -l 1 \
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"$SOURCE" 2>/dev/null | cut -d. -f1)
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[ -n "$SOURCE_DATE_EPOCH" ]
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}
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try_mtime() {
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SOURCE_DATE_EPOCH=$(perl -e 'print((stat $ARGV[0])[9])' "$0")
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[ -n "$SOURCE_DATE_EPOCH" ]
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}
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try_version || try_git || try_hg || try_mtime || SOURCE_DATE_EPOCH=""
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echo "$SOURCE_DATE_EPOCH"
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