gitstat.sh

#! /bin/bash

#usage: gitstat.sh <git repo> <output file.csv> <output file per domain.csv> \
#                             [paramters for gitstat.py...]


GITSTATS=$(mktemp /tmp/gitstats.XXXXXXXXXX)

# directory of git repository
GITREPO=$1
shift
# the csv file that contains the output of this program
OUTPUT_FILE=$1
shift
# the csv file containing the commits per domain
OUTPUT_FILE_DOM=$1
shift
# These are the directories we want to measure for the qemu project
# we do not want to measure some of the platform directories, slirp, and 
# the tiny code generator (tcg)
echo "Preparing to run gitstats $@"

pushd $GITREPO

awk '{print}'  > $OUTPUT_FILE   <<EOF
Name, Email, Commits, Lines Added, Lines Removed
EOF

gitstat.py --one-line -f $@ | awk '{gsub('/[\(\)]/',"",$0); \
            gsub('/\\+/', "", $0); \
            gsub('/\\//'," ", $0); \
            gsub('/\\-/',"", $0) ;   \
            gsub('/[[\<\>]]?/',"",$0) ; \
            print $0 }' \
    | awk '{ if (NF == 7) printf "\"%s %s\", %s, %s, %s, %s\n", $1, $2, $3, $4, $6, $7 ; \
             if (NF == 8) printf "\"%s %s %s\", %s, %s, %s, %s\n", $1, $2, $3, $4, $5, $7, $8 ;\
             if (NF == 6) printf "\"%s\", %s, %s, %s, %s\n", $1, $2, $3, $5, $6}' \
    >> $OUTPUT_FILE

echo "gitstats first stage is complete, now processing the results"

echo "gitstats - now compiling results per third-level domain"

GITSTATHAYSTACK=$(mktemp /tmp/gitstats-dom-stripped.XXXXXXXXXX)

cat $OUTPUT_FILE | astrip --domain 3 |  awk '{gsub('/\,/', ""); print $0}' >  $GITSTATHAYSTACK

GITSTATNEEDLE=$(mktemp /tmp/gitstats-dom-needle.XXXXXXXXXX)
cat $GITSTATHAYSTACK | awk '{print $1}' | sort -fb | uniq -i > $GITSTATNEEDLE


awk '{print}' > $OUTPUT_FILE_DOM <<EOF
Domain, Commits, Lines Added, Lines Removed
EOF

echo "running gitmatch"
gitmatch --haystack $GITSTATHAYSTACK --needles $GITSTATNEEDLE --csv | sort -fb >> $OUTPUT_FILE_DOM

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