Reduce number of git calls when displaying prompt (#3795)
The avit theme's _git_time_since_commit function was running git twice. Reduce it with a single call to `git log`, checking the exit code for success.
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@ -50,9 +50,7 @@ function _ruby_version() {
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# use a neutral color, otherwise colors will vary according to time.
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function _git_time_since_commit() {
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# Only proceed if there is actually a commit.
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if git log -1 > /dev/null 2>&1; then
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# Get the last commit.
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last_commit=$(git log --pretty=format:'%at' -1 2> /dev/null)
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if last_commit=$(git log --pretty=format:'%at' -1 2> /dev/null); then
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now=$(date +%s)
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seconds_since_last_commit=$((now-last_commit))
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