add --edit: truncate the patch file

If there is already a .git/ADD_EDIT.patch file, we fail to truncate it
properly, which could result in very funny errors.

Let's just truncate it and not worry about it too much.

Reported by J Wyman.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2018-02-12 17:23:42 +01:00
parent 453ee1fce8
commit 346365d269

View File

@@ -239,7 +239,7 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
rev.diffopt.output_format = DIFF_FORMAT_PATCH;
rev.diffopt.use_color = 0;
rev.diffopt.flags.ignore_dirty_submodules = 1;
out = open(file, O_CREAT | O_WRONLY, 0666);
out = open(file, O_CREAT | O_WRONLY | O_TRUNC, 0666);
if (out < 0)
die(_("Could not open '%s' for writing."), file);
rev.diffopt.file = xfdopen(out, "w");