[GLUTEN-7035][VL] Use first line of ls-remote's output as build's target commit

[wForget]

What changes were proposed in this pull request?

Get head for target_build_commit

Fixes: #7035

How was this patch tested?

[github-actions]

#7035

[zhztheplayer]

I feel a better fix is to use git ls-remote $VELOX_REPO refs/heads/$VELOX_BRANCH which looks up a unique ref.

[wForget]

I feel a better fix is to use git ls-remote $VELOX_REPO refs/heads/$VELOX_BRANCH which looks up a unique ref.

Thanks, this looks like a better way.

[wForget]

But it doesn't work for a tag

[zhztheplayer]

But it doesn't work for a tag

Yes neither tag nor commit hash works. Perhaps we have to keep the original solution.

[GlutenPerfBot]

===== Performance report for TPCH SF2000 with Velox backend, for reference only ====

query	log/native_master_08_28_2024_time.csv	log/native_master_08_26_2024_5db9de5601_time.csv	difference	percentage
q1	40.10	41.14	1.037	102.59%
q2	30.34	29.61	-0.726	97.61%
q3	52.02	53.63	1.604	103.08%
q4	40.89	42.24	1.346	103.29%
q5	103.89	107.54	3.649	103.51%
q6	13.28	10.83	-2.454	81.52%
q7	116.54	117.95	1.411	101.21%
q8	115.70	120.99	5.290	104.57%
q9	169.83	170.67	0.838	100.49%
q10	67.03	66.86	-0.167	99.75%
q11	27.13	26.86	-0.270	99.00%
q12	30.03	29.53	-0.495	98.35%
q13	51.89	52.01	0.126	100.24%
q14	26.74	26.47	-0.266	99.01%
q15	53.59	54.81	1.225	102.29%
q16	19.99	18.50	-1.492	92.54%
q17	130.36	129.54	-0.820	99.37%
q18	197.94	200.27	2.331	101.18%
q19	27.96	26.33	-1.633	94.16%
q20	42.29	42.35	0.058	100.14%
q21	380.46	385.88	5.426	101.43%
q22	15.92	16.01	0.092	100.58%
total	1753.91	1770.02	16.110	100.92%