Add the environment variables of the child process directly using strvec_push() instead of building an array out of them and then adding that using strvec_pushv(). The new code is shorter and avoids magic array index values and fragile array padding. Signed-off-by: René Scharfe <l.s.r@xxxxxx> --- builtin/difftool.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/builtin/difftool.c b/builtin/difftool.c index a130faae4f..a1794b7eed 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -674,19 +674,15 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, static int run_file_diff(int prompt, const char *prefix, struct child_process *child) { - const char *env[] = { - "GIT_PAGER=", "GIT_EXTERNAL_DIFF=git-difftool--helper", NULL, - NULL - }; - + strvec_push(&child->env, "GIT_PAGER="); + strvec_push(&child->env, "GIT_EXTERNAL_DIFF=git-difftool--helper"); if (prompt > 0) - env[2] = "GIT_DIFFTOOL_PROMPT=true"; + strvec_push(&child->env, "GIT_DIFFTOOL_PROMPT=true"); else if (!prompt) - env[2] = "GIT_DIFFTOOL_NO_PROMPT=true"; + strvec_push(&child->env, "GIT_DIFFTOOL_NO_PROMPT=true"); child->git_cmd = 1; child->dir = prefix; - strvec_pushv(&child->env, env); return run_command(child); } -- 2.45.1