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scalar diagnose: include disk space information

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When analyzing problems with large worktrees/repositories, it is useful
to know how close to a "full disk" situation Scalar/Git operates. Let's
include this information.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2022-05-28 16:11:16 -07:00 committed by Junio C Hamano
parent aa5c79a331
commit 0ed5b13f24
2 changed files with 54 additions and 0 deletions
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53
contrib/scalar/scalar.c
View File

@ -302,6 +302,58 @@ static int add_directory_to_archiver(struct strvec *archiver_args,
return res;
}
#ifndef WIN32
#include <sys/statvfs.h>
#endif
static int get_disk_info(struct strbuf *out)
{
#ifdef WIN32
struct strbuf buf = STRBUF_INIT;
char volume_name[MAX_PATH], fs_name[MAX_PATH];
DWORD serial_number, component_length, flags;
ULARGE_INTEGER avail2caller, total, avail;
strbuf_realpath(&buf, ".", 1);
if (!GetDiskFreeSpaceExA(buf.buf, &avail2caller, &total, &avail)) {
error(_("could not determine free disk size for '%s'"),
buf.buf);
strbuf_release(&buf);
return -1;
}
strbuf_setlen(&buf, offset_1st_component(buf.buf));
if (!GetVolumeInformationA(buf.buf, volume_name, sizeof(volume_name),
&serial_number, &component_length, &flags,
fs_name, sizeof(fs_name))) {
error(_("could not get info for '%s'"), buf.buf);
strbuf_release(&buf);
return -1;
}
strbuf_addf(out, "Available space on '%s': ", buf.buf);
strbuf_humanise_bytes(out, avail2caller.QuadPart);
strbuf_addch(out, '\n');
strbuf_release(&buf);
#else
struct strbuf buf = STRBUF_INIT;
struct statvfs stat;
strbuf_realpath(&buf, ".", 1);
if (statvfs(buf.buf, &stat) < 0) {
error_errno(_("could not determine free disk size for '%s'"),
buf.buf);
strbuf_release(&buf);
return -1;
}
strbuf_addf(out, "Available space on '%s': ", buf.buf);
strbuf_humanise_bytes(out, st_mult(stat.f_bsize, stat.f_bavail));
strbuf_addf(out, " (mount flags 0x%lx)\n", stat.f_flag);
strbuf_release(&buf);
#endif
return 0;
}
/* printf-style interface, expects `<key>=<value>` argument */
static int set_config(const char *fmt, ...)
{
@ -598,6 +650,7 @@ static int cmd_diagnose(int argc, const char **argv)
get_version_info(&buf, 1);
strbuf_addf(&buf, "Enlistment root: %s\n", the_repository->worktree);
get_disk_info(&buf);
write_or_die(stdout_fd, buf.buf, buf.len);
strvec_pushf(&archiver_args,
"--add-virtual-file=diagnostics.log:%.*s",

1
contrib/scalar/t/t9099-scalar.sh
View File

@ -102,6 +102,7 @@ SQ="'"
test_expect_success UNZIP 'scalar diagnose' '
scalar clone "file://$(pwd)" cloned --single-branch &&
scalar diagnose cloned >out 2>err &&
grep "Available space" out &&
sed -n "s/.*$SQ\\(.*\\.zip\\)$SQ.*/\\1/p" <err >zip_path &&
zip_path=$(cat zip_path) &&
test -n "$zip_path" &&