github-ci docker build action fails

[blackav]

gcc -I.  -O2 -Wall -DNDEBUG -DRELEASE  -D_GNU_SOURCE -std=gnu11 -Iinclude -g  -Wno-pointer-sign -Wno-format-truncation    -c -o tools/newrevinfo.o tools/newrevinfo.c
gcc  -O2 -Wall -DNDEBUG -DRELEASE  -g  -L./libbacktrace/.libs tools/newrevinfo.o -o tools/newrevinfo
./tools/newrevinfo
fatal: ambiguous argument 'v3.10.3': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
unexpected EOF in call to git show
make: *** [main.unix.make:558: version.c] Error 1
+ chmod 755 ejudge-install.sh
+ chown ejudge:ejudge ejudge-install.sh
+ ./ejudge-setup -u ejudge -g ejudge -b -B
/app/docker/build.sh: line 27: ./ejudge-setup: No such file or directory
The command '/bin/sh -c /app/docker/build.sh' returned a non-zero code: 127

Error: Process completed with exit code 127.

[blackav]

Fixed in f336f45