Created
February 19, 2018 16:11
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function show_help() | |
{ | |
echo "dump all git versions of a file to separate files" | |
echo | |
echo "usage: FILENAME"; | |
echo | |
echo "e.g." | |
echo | |
echo "$ git_dump_all_versions_of_a_file.sh path/to/somefile.txt" | |
echo | |
echo "path/to/somefile.txt.1.0dea419" | |
echo "path/to/somefile.txt.1.0dea419.logmsg" | |
echo "path/to/somefile.txt.2.cdea8s9" | |
echo "path/to/somefile.txt.2.cdea8s9.logmsg" | |
echo "path/to/somefile.txt.3.fdsf2d" | |
echo "path/to/somefile.txt.3.fdsf2d.logmsg" | |
echo "..." | |
exit; | |
} | |
if [ "$1" == "help" ] | |
then | |
show_help | |
fi | |
if [ -z "$1" ] | |
then | |
show_help | |
fi | |
ROOT_FOLDER=$(git rev-parse --show-toplevel) | |
CURR_DIR=$(pwd) | |
if [ "$ROOT_FOLDER" != "$CURR_DIR" ] | |
then | |
echo "Switch to the root of the repo and try again. Should be in $ROOT_FOLDER" | |
exit | |
fi | |
function git_log_message_for_commit | |
{ | |
IT=$(git log -1 --pretty=format:"%an, %s, %b, %ai" $*) | |
echo $IT | |
} | |
function git_log_short | |
{ | |
git log --oneline --decorate $* | |
} | |
function choose_col | |
{ | |
COL=$1 | |
if [ -z "$2" ] | |
then | |
OPTS= | |
else | |
OPTS="-F\\${2}" | |
fi | |
awk $OPTS -v col="$COL" '{print $col}' | |
} | |
cd $ROOT_FOLDER | |
FILENAME=$* | |
HASHES=$(git_log_short $FILENAME | choose_col 1) | |
INDEX=1 | |
for HASH in $HASHES | |
do | |
INDEX_OUT=$(printf %03d $INDEX) | |
OUT_FILENAME="$FILENAME.$INDEX_OUT.$HASH" | |
OUT_LOG_FILENAME="$FILENAME.$INDEX_OUT.$HASH.logmsg" | |
echo "saving version $INDEX to file $OUT_FILENAME for hash:$HASH" | |
echo "*******************************************************" >> $OUT_LOG_FILENAME | |
git_log_message_for_commit $HASH >> $OUT_LOG_FILENAME | |
echo " $HASH:$FILENAME " >> $OUT_LOG_FILENAME | |
echo "*******************************************************" >> $OUT_LOG_FILENAME | |
git show $HASH:$FILENAME >> $OUT_FILENAME | |
let INDEX=INDEX+1 | |
done |
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I had to fork this, just to always know where to find it. I've used it three times in under 24 hours already. Excellent tool!