perf/run: add GIT_PERF_DIRS_OR_REVS

diff --git a/t/perf/run b/t/perf/run
index beb4acc0e428d20280a649c428da8b0b3aa5b4c6..ad442fe64a828296365214d134ac4046d0b2548e 100755 (executable)
--- a/t/perf/run
+++ b/t/perf/run
@@ -2,9 +2,14 @@
 
 case "$1" in
        --help)
-               echo "usage: $0 [other_git_tree...] [--] [test_scripts]"
+               echo "usage: $0 [--config file] [other_git_tree...] [--] [test_scripts]"
                exit 0
                ;;
+       --config)
+               shift
+               GIT_PERF_CONFIG_FILE=$(cd "$(dirname "$1")"; pwd)/$(basename "$1")
+               export GIT_PERF_CONFIG_FILE
+               shift ;;
 esac
 
 die () {
@@ -29,6 +34,7 @@ unpack_git_rev () {
        (cd "$(git rev-parse --show-cdup)" && git archive --format=tar $rev) |
        (cd build/$rev && tar x)
 }
+
 build_git_rev () {
        rev=$1
        for config in config.mak config.mak.autogen config.status
@@ -87,6 +93,29 @@ run_dirs () {
        done
 }
 
+get_var_from_env_or_config () {
+       env_var="$1"
+       conf_var="$2"
+       # $3 can be set to a default value
+
+       # Do nothing if the env variable is already set
+       eval "test -z \"\${$env_var+x}\"" || return
+
+       # Check if the variable is in the config file
+       test -n "$GIT_PERF_CONFIG_FILE" &&
+       conf_value=$(git config -f "$GIT_PERF_CONFIG_FILE" "$conf_var") &&
+       eval "$env_var=\"$conf_value\"" || {
+               test -n "${3+x}" &&
+               eval "$env_var=\"$3\""
+       }
+}
+
+get_var_from_env_or_config "GIT_PERF_REPEAT_COUNT" "perf.repeatCount" 3
+export GIT_PERF_REPEAT_COUNT
+
+get_var_from_env_or_config "GIT_PERF_DIRS_OR_REVS" "perf.dirsOrRevs"
+set -- $GIT_PERF_DIRS_OR_REVS "$@"
+
 GIT_PERF_AGGREGATING_LATER=t
 export GIT_PERF_AGGREGATING_LATER