Created
November 14, 2012 02:25
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run-command-on-git-revisions origin/master master 'python runtests.py'
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#!/bin/bash | |
# | |
# This script runs a given command over a range of Git revisions. Note that it | |
# will check past revisions out! Exercise caution if there are important | |
# untracked files in your working tree. | |
# | |
# This came from Gary Bernhardt's dotfiles: | |
# https://github.com/garybernhardt/dotfiles | |
# | |
# Example usage: | |
# $ run-command-on-git-revisions origin/master master 'python runtests.py' | |
set -e | |
if [[ $1 == -v ]]; then | |
verbose=1 | |
shift | |
fi | |
start_ref=$1 | |
end_ref=$2 | |
test_command=$3 | |
main() { | |
enforce_usage | |
run_tests | |
} | |
enforce_usage() { | |
if [ -z "$test_command" ]; then | |
usage | |
exit $E_BADARGS | |
fi | |
} | |
usage() { | |
echo "usage: `basename $0` start_ref end_ref test_command" | |
} | |
run_tests() { | |
revs=`log_command git rev-list --reverse ${start_ref}..${end_ref}` | |
for rev in $revs; do | |
debug "Checking out: $(git log --oneline -1 $rev)" | |
log_command git checkout --quiet $rev | |
log_command $test_command | |
log_command git reset --hard | |
done | |
log_command git checkout --quiet $end_ref | |
debug "OK for all revisions!" | |
} | |
log_command() { | |
debug "=> $*" | |
eval $* | |
} | |
debug() { | |
if [ $verbose ]; then | |
echo $* >&2 | |
fi | |
} | |
main |
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