ae87e53e33
If a `cd` to `TOPDIR` fails the script should quit. Also unify `try_mtime` function by storing it in a variable. Signed-off-by: Paul Spooren <mail@aparcar.org>
34 lines
693 B
Bash
Executable File
34 lines
693 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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try_version() {
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[ -f version.date ] || return 1
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SOURCE_DATE_EPOCH="$(cat version.date)"
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[ -n "$SOURCE_DATE_EPOCH" ]
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}
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try_git() {
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[ -e .git ] || return 1
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SOURCE_DATE_EPOCH="$(git log -1 --format=format:%ct)"
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[ -n "$SOURCE_DATE_EPOCH" ]
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}
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try_hg() {
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[ -d .hg ] || return 1
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SOURCE_DATE_EPOCH="$(hg log --template '{date}' -l 1 | cut -d. -f1)"
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[ -n "$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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