On 07/05/15 23:16, Junio C Hamano wrote:
Luke Diamand <l...@diamand.org> writes:


[Resurrecting old thread]


Looking at run-command.c, GIT_WINDOES_NATIVE and POSIX seems to use
pretty much the same construct, except that they use SHELL_PATH
instead of "sh".

I think the state of git on Windows is a bit shaky (I'm happy to be proved wrong of course), but I think the only seriously active port is the msys one.

That, as far as I can tell, uses an msys version of 'sh', so it will be perfectly happy with the "sh -c ..." construct.

There may be a native windows port in existence, but I can't find how to build this, and I assume it's going to need Visual Studio, which makes it a lot more complex to get going.

The code you were looking at in run-command.c says this:

#ifndef GIT_WINDOWS_NATIVE
                nargv[nargc++] = SHELL_PATH;  <<<<< !GIT_WINDOWS_NATIVE
#else
                nargv[nargc++] = "sh";        <<<<< GIT_WINDOWS_NATIVE
#endif
                nargv[nargc++] = "-c";

To me, that seems to imply that for GIT_WINDOWS_NATIVE, we take the *second* branch and use "sh", so again, the the code as it stands will be fine. msysgit uses that path.

(The next line, trying to use "-c" has no chance of working if Cmd is being used).



So something like this may be sufficient, perhaps?

  Makefile  | 1 +
  git-p4.py | 2 +-
  2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 20058f1..fda44bf 100644
--- a/Makefile
+++ b/Makefile
@@ -1776,6 +1776,7 @@ $(SCRIPT_PYTHON_GEN): GIT-CFLAGS GIT-PREFIX 
GIT-PYTHON-VARS
  $(SCRIPT_PYTHON_GEN): % : %.py
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*python|#!$(PYTHON_PATH_SQ)|' \
+           -e 's|SHELL_PATH|$(SHELL_PATH_SQ)|g' \
            $< >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@
diff --git a/git-p4.py b/git-p4.py
index de06046..eb6d4b1 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -1220,7 +1220,7 @@ class P4Submit(Command, P4UserMap):
              editor = os.environ.get("P4EDITOR")
          else:
              editor = read_pipe("git var GIT_EDITOR").strip()
-        system(["sh", "-c", ('%s "$@"' % editor), editor, template_file])
+        system(['''SHELL_PATH''', "-c", ('%s "$@"' % editor), editor, 
template_file])

This seems to be expanded to '''sh''' which doesn't then work at all. I didn't take the time to investigate further though.


          # If the file was not saved, prompt to see if this patch should
          # be skipped.  But skip this verification step if configured so.

I don't think we need to do anything. msysgit works fine with the origin "sh", "-c", ... code.

Thanks!
Luke
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